diff options
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/hvcs.c | 2 | ||||
| -rw-r--r-- | drivers/char/ipmi/ipmi_devintf.c | 18 | ||||
| -rw-r--r-- | drivers/char/ipmi/ipmi_kcs_sm.c | 8 | ||||
| -rw-r--r-- | drivers/char/ipmi/ipmi_msghandler.c | 80 | ||||
| -rw-r--r-- | drivers/char/ipmi/ipmi_poweroff.c | 2 | ||||
| -rw-r--r-- | drivers/char/ipmi/ipmi_si_intf.c | 85 | ||||
| -rw-r--r-- | drivers/char/ipmi/ipmi_watchdog.c | 61 | ||||
| -rw-r--r-- | drivers/char/istallion.c | 32 | ||||
| -rw-r--r-- | drivers/char/keyboard.c | 118 | ||||
| -rw-r--r-- | drivers/char/pcmcia/cm4000_cs.c | 121 | ||||
| -rw-r--r-- | drivers/char/pcmcia/cm4040_cs.c | 133 | ||||
| -rw-r--r-- | drivers/char/pcmcia/synclink_cs.c | 116 | ||||
| -rw-r--r-- | drivers/char/stallion.c | 46 | ||||
| -rw-r--r-- | drivers/char/tty_io.c | 2 | ||||
| -rw-r--r-- | drivers/char/vt.c | 4 | ||||
| -rw-r--r-- | drivers/char/watchdog/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/char/watchdog/Makefile | 1 | ||||
| -rw-r--r-- | drivers/char/watchdog/at91_wdt.c | 228 | ||||
| -rw-r--r-- | drivers/char/watchdog/pcwd.c | 137 | ||||
| -rw-r--r-- | drivers/char/watchdog/pcwd_usb.c | 3 |
20 files changed, 741 insertions, 463 deletions
diff --git a/drivers/char/hvcs.c b/drivers/char/hvcs.c index 327b00c3c45..8d97b391129 100644 --- a/drivers/char/hvcs.c +++ b/drivers/char/hvcs.c @@ -904,7 +904,7 @@ static int hvcs_enable_device(struct hvcs_struct *hvcsd, uint32_t unit_address, * It is possible the vty-server was removed after the irq was * requested but before we have time to enable interrupts. */ - if (vio_enable_interrupts(vdev) == H_Success) + if (vio_enable_interrupts(vdev) == H_SUCCESS) return 0; else { printk(KERN_ERR "HVCS: int enable failed for" diff --git a/drivers/char/ipmi/ipmi_devintf.c b/drivers/char/ipmi/ipmi_devintf.c index 932feedda26..e1c95374984 100644 --- a/drivers/char/ipmi/ipmi_devintf.c +++ b/drivers/char/ipmi/ipmi_devintf.c @@ -42,7 +42,7 @@ #include <linux/slab.h> #include <linux/devfs_fs_kernel.h> #include <linux/ipmi.h> -#include <asm/semaphore.h> +#include <linux/mutex.h> #include <linux/init.h> #include <linux/device.h> #include <linux/compat.h> @@ -55,7 +55,7 @@ struct ipmi_file_private struct file *file; struct fasync_struct *fasync_queue; wait_queue_head_t wait; - struct semaphore recv_sem; + struct mutex recv_mutex; int default_retries; unsigned int default_retry_time_ms; }; @@ -141,7 +141,7 @@ static int ipmi_open(struct inode *inode, struct file *file) INIT_LIST_HEAD(&(priv->recv_msgs)); init_waitqueue_head(&priv->wait); priv->fasync_queue = NULL; - sema_init(&(priv->recv_sem), 1); + mutex_init(&priv->recv_mutex); /* Use the low-level defaults. */ priv->default_retries = -1; @@ -285,15 +285,15 @@ static int ipmi_ioctl(struct inode *inode, break; } - /* We claim a semaphore because we don't want two + /* We claim a mutex because we don't want two users getting something from the queue at a time. Since we have to release the spinlock before we can copy the data to the user, it's possible another user will grab something from the queue, too. Then the messages might get out of order if something fails and the message gets put back onto the - queue. This semaphore prevents that problem. */ - down(&(priv->recv_sem)); + queue. This mutex prevents that problem. */ + mutex_lock(&priv->recv_mutex); /* Grab the message off the list. */ spin_lock_irqsave(&(priv->recv_msg_lock), flags); @@ -352,7 +352,7 @@ static int ipmi_ioctl(struct inode *inode, goto recv_putback_on_err; } - up(&(priv->recv_sem)); + mutex_unlock(&priv->recv_mutex); ipmi_free_recv_msg(msg); break; @@ -362,11 +362,11 @@ static int ipmi_ioctl(struct inode *inode, spin_lock_irqsave(&(priv->recv_msg_lock), flags); list_add(entry, &(priv->recv_msgs)); spin_unlock_irqrestore(&(priv->recv_msg_lock), flags); - up(&(priv->recv_sem)); + mutex_unlock(&priv->recv_mutex); break; recv_err: - up(&(priv->recv_sem)); + mutex_unlock(&priv->recv_mutex); break; } diff --git a/drivers/char/ipmi/ipmi_kcs_sm.c b/drivers/char/ipmi/ipmi_kcs_sm.c index da1554194d3..2062675f9e9 100644 --- a/drivers/char/ipmi/ipmi_kcs_sm.c +++ b/drivers/char/ipmi/ipmi_kcs_sm.c @@ -227,7 +227,7 @@ static inline int check_ibf(struct si_sm_data *kcs, unsigned char status, static inline int check_obf(struct si_sm_data *kcs, unsigned char status, long time) { - if (! GET_STATUS_OBF(status)) { + if (!GET_STATUS_OBF(status)) { kcs->obf_timeout -= time; if (kcs->obf_timeout < 0) { start_error_recovery(kcs, "OBF not ready in time"); @@ -407,7 +407,7 @@ static enum si_sm_result kcs_event(struct si_sm_data *kcs, long time) } if (state == KCS_READ_STATE) { - if (! check_obf(kcs, status, time)) + if (!check_obf(kcs, status, time)) return SI_SM_CALL_WITH_DELAY; read_next_byte(kcs); } else { @@ -447,7 +447,7 @@ static enum si_sm_result kcs_event(struct si_sm_data *kcs, long time) "Not in read state for error2"); break; } - if (! check_obf(kcs, status, time)) + if (!check_obf(kcs, status, time)) return SI_SM_CALL_WITH_DELAY; clear_obf(kcs, status); @@ -462,7 +462,7 @@ static enum si_sm_result kcs_event(struct si_sm_data *kcs, long time) break; } - if (! check_obf(kcs, status, time)) + if (!check_obf(kcs, status, time)) return SI_SM_CALL_WITH_DELAY; clear_obf(kcs, status); diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c index 40eb005b9d7..0ded046d5aa 100644 --- a/drivers/char/ipmi/ipmi_msghandler.c +++ b/drivers/char/ipmi/ipmi_msghandler.c @@ -38,6 +38,7 @@ #include <linux/sched.h> #include <linux/poll.h> #include <linux/spinlock.h> +#include <linux/mutex.h> #include <linux/slab.h> #include <linux/ipmi.h> #include <linux/ipmi_smi.h> @@ -234,7 +235,7 @@ struct ipmi_smi /* The list of command receivers that are registered for commands on this interface. */ - struct semaphore cmd_rcvrs_lock; + struct mutex cmd_rcvrs_mutex; struct list_head cmd_rcvrs; /* Events that were queues because no one was there to receive @@ -387,10 +388,10 @@ static void clean_up_interface_data(ipmi_smi_t intf) /* Wholesale remove all the entries from the list in the * interface and wait for RCU to know that none are in use. */ - down(&intf->cmd_rcvrs_lock); + mutex_lock(&intf->cmd_rcvrs_mutex); list_add_rcu(&list, &intf->cmd_rcvrs); list_del_rcu(&intf->cmd_rcvrs); - up(&intf->cmd_rcvrs_lock); + mutex_unlock(&intf->cmd_rcvrs_mutex); synchronize_rcu(); list_for_each_entry_safe(rcvr, rcvr2, &list, link) @@ -557,7 +558,7 @@ unsigned int ipmi_addr_length(int addr_type) static void deliver_response(struct ipmi_recv_msg *msg) { - if (! msg->user) { + if (!msg->user) { ipmi_smi_t intf = msg->user_msg_data; unsigned long flags; @@ -598,11 +599,11 @@ static int intf_next_seq(ipmi_smi_t intf, (i+1)%IPMI_IPMB_NUM_SEQ != intf->curr_seq; i = (i+1)%IPMI_IPMB_NUM_SEQ) { - if (! intf->seq_table[i].inuse) + if (!intf->seq_table[i].inuse) break; } - if (! intf->seq_table[i].inuse) { + if (!intf->seq_table[i].inuse) { intf->seq_table[i].recv_msg = recv_msg; /* Start with the maximum timeout, when the send response @@ -763,7 +764,7 @@ int ipmi_create_user(unsigned int if_num, } new_user = kmalloc(sizeof(*new_user), GFP_KERNEL); - if (! new_user) + if (!new_user) return -ENOMEM; spin_lock_irqsave(&interfaces_lock, flags); @@ -819,14 +820,13 @@ static void free_user(struct kref *ref) int ipmi_destroy_user(ipmi_user_t user) { - int rv = -ENODEV; ipmi_smi_t intf = user->intf; int i; unsigned long flags; struct cmd_rcvr *rcvr; struct cmd_rcvr *rcvrs = NULL; - user->valid = 1; + user->valid = 0; /* Remove the user from the interface's sequence table. */ spin_lock_irqsave(&intf->seq_lock, flags); @@ -847,7 +847,7 @@ int ipmi_destroy_user(ipmi_user_t user) * since other things may be using it till we do * synchronize_rcu()) then free everything in that list. */ - down(&intf->cmd_rcvrs_lock); + mutex_lock(&intf->cmd_rcvrs_mutex); list_for_each_entry_rcu(rcvr, &intf->cmd_rcvrs, link) { if (rcvr->user == user) { list_del_rcu(&rcvr->link); @@ -855,7 +855,7 @@ int ipmi_destroy_user(ipmi_user_t user) rcvrs = rcvr; } } - up(&intf->cmd_rcvrs_lock); + mutex_unlock(&intf->cmd_rcvrs_mutex); synchronize_rcu(); while (rcvrs) { rcvr = rcvrs; @@ -871,7 +871,7 @@ int ipmi_destroy_user(ipmi_user_t user) kref_put(&user->refcount, free_user); - return rv; + return 0; } void ipmi_get_version(ipmi_user_t user, @@ -936,7 +936,8 @@ int ipmi_set_gets_events(ipmi_user_t user, int val) if (val) { /* Deliver any queued events. */ - list_for_each_entry_safe(msg, msg2, &intf->waiting_events, link) { + list_for_each_entry_safe(msg, msg2, &intf->waiting_events, + link) { list_del(&msg->link); list_add_tail(&msg->link, &msgs); } @@ -978,13 +979,13 @@ int ipmi_register_for_cmd(ipmi_user_t user, rcvr = kmalloc(sizeof(*rcvr), GFP_KERNEL); - if (! rcvr) + if (!rcvr) return -ENOMEM; rcvr->cmd = cmd; rcvr->netfn = netfn; rcvr->user = user; - down(&intf->cmd_rcvrs_lock); + mutex_lock(&intf->cmd_rcvrs_mutex); /* Make sure the command/netfn is not already registered. */ entry = find_cmd_rcvr(intf, netfn, cmd); if (entry) { @@ -995,7 +996,7 @@ int ipmi_register_for_cmd(ipmi_user_t user, list_add_rcu(&rcvr->link, &intf->cmd_rcvrs); out_unlock: - up(&intf->cmd_rcvrs_lock); + mutex_unlock(&intf->cmd_rcvrs_mutex); if (rv) kfree(rcvr); @@ -1009,17 +1010,17 @@ int ipmi_unregister_for_cmd(ipmi_user_t user, ipmi_smi_t intf = user->intf; struct cmd_rcvr *rcvr; - down(&intf->cmd_rcvrs_lock); + mutex_lock(&intf->cmd_rcvrs_mutex); /* Make sure the command/netfn is not already registered. */ rcvr = find_cmd_rcvr(intf, netfn, cmd); if ((rcvr) && (rcvr->user == user)) { list_del_rcu(&rcvr->link); - up(&intf->cmd_rcvrs_lock); + mutex_unlock(&intf->cmd_rcvrs_mutex); synchronize_rcu(); kfree(rcvr); return 0; } else { - up(&intf->cmd_rcvrs_lock); + mutex_unlock(&intf->cmd_rcvrs_mutex); return -ENOENT; } } @@ -1514,7 +1515,7 @@ int ipmi_request_settime(ipmi_user_t user, unsigned char saddr, lun; int rv; - if (! user) + if (!user) return -EINVAL; rv = check_addr(user->intf, addr, &saddr, &lun); if (rv) @@ -1545,7 +1546,7 @@ int ipmi_request_supply_msgs(ipmi_user_t user, unsigned char saddr, lun; int rv; - if (! user) + if (!user) return -EINVAL; rv = check_addr(user->intf, addr, &saddr, &lun); if (rv) @@ -1570,7 +1571,7 @@ static int ipmb_file_read_proc(char *page, char **start, off_t off, char *out = (char *) page; ipmi_smi_t intf = data; int i; - int rv= 0; + int rv = 0; for (i = 0; i < IPMI_MAX_CHANNELS; i++) rv += sprintf(out+rv, "%x ", intf->channels[i].address); @@ -1989,7 +1990,7 @@ static int ipmi_bmc_register(ipmi_smi_t intf) } else { bmc->dev = platform_device_alloc("ipmi_bmc", bmc->id.device_id); - if (! bmc->dev) { + if (!bmc->dev) { printk(KERN_ERR "ipmi_msghandler:" " Unable to allocate platform device\n"); @@ -2305,8 +2306,7 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers, void *send_info, struct ipmi_device_id *device_id, struct device *si_dev, - unsigned char slave_addr, - ipmi_smi_t *new_intf) + unsigned char slave_addr) { int i, j; int rv; @@ -2366,7 +2366,7 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers, spin_lock_init(&intf->events_lock); INIT_LIST_HEAD(&intf->waiting_events); intf->waiting_events_count = 0; - init_MUTEX(&intf->cmd_rcvrs_lock); + mutex_init(&intf->cmd_rcvrs_mutex); INIT_LIST_HEAD(&intf->cmd_rcvrs); init_waitqueue_head(&intf->waitq); @@ -2388,9 +2388,9 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers, if (rv) goto out; - /* FIXME - this is an ugly kludge, this sets the intf for the - caller before sending any messages with it. */ - *new_intf = intf; + rv = handlers->start_processing(send_info, intf); + if (rv) + goto out; get_guid(intf); @@ -2622,7 +2622,7 @@ static int handle_ipmb_get_msg_cmd(ipmi_smi_t intf, spin_unlock_irqrestore(&intf->counter_lock, flags); recv_msg = ipmi_alloc_recv_msg(); - if (! recv_msg) { + if (!recv_msg) { /* We couldn't allocate memory for the message, so requeue it for handling later. */ @@ -2777,7 +2777,7 @@ static int handle_lan_get_msg_cmd(ipmi_smi_t intf, spin_unlock_irqrestore(&intf->counter_lock, flags); recv_msg = ipmi_alloc_recv_msg(); - if (! recv_msg) { + if (!recv_msg) { /* We couldn't allocate memory for the message, so requeue it for handling later. */ @@ -2869,13 +2869,14 @@ static int handle_read_event_rsp(ipmi_smi_t intf, events. */ rcu_read_lock(); list_for_each_entry_rcu(user, &intf->users, link) { - if (! user->gets_events) + if (!user->gets_events) continue; recv_msg = ipmi_alloc_recv_msg(); - if (! recv_msg) { + if (!recv_msg) { rcu_read_unlock(); - list_for_each_entry_safe(recv_msg, recv_msg2, &msgs, link) { + list_for_each_entry_safe(recv_msg, recv_msg2, &msgs, + link) { list_del(&recv_msg->link); ipmi_free_recv_msg(recv_msg); } @@ -2905,7 +2906,7 @@ static int handle_read_event_rsp(ipmi_smi_t intf, /* No one to receive the message, put it in queue if there's not already too many things in the queue. */ recv_msg = ipmi_alloc_recv_msg(); - if (! recv_msg) { + if (!recv_msg) { /* We couldn't allocate memory for the message, so requeue it for handling later. */ @@ -3190,7 +3191,7 @@ void ipmi_smi_watchdog_pretimeout(ipmi_smi_t intf) rcu_read_lock(); list_for_each_entry_rcu(user, &intf->users, link) { - if (! user->handler->ipmi_watchdog_pretimeout) + if (!user->handler->ipmi_watchdog_pretimeout) continue; user->handler->ipmi_watchdog_pretimeout(user->handler_data); @@ -3278,7 +3279,7 @@ static void check_msg_timeout(ipmi_smi_t intf, struct seq_table *ent, smi_msg = smi_from_recv_msg(intf, ent->recv_msg, slot, ent->seqid); - if (! smi_msg) + if (!smi_msg) return; spin_unlock_irqrestore(&intf->seq_lock, *flags); @@ -3314,8 +3315,9 @@ static void ipmi_timeout_handler(long timeout_period) /* See if any waiting messages need to be processed. */ spin_lock_irqsave(&intf->waiting_msgs_lock, flags); - list_for_each_entry_safe(smi_msg, smi_msg2, &intf->waiting_msgs, link) { - if (! handle_new_recv_msg(intf, smi_msg)) { + list_for_each_entry_safe(smi_msg, smi_msg2, + &intf->waiting_msgs, link) { + if (!handle_new_recv_msg(intf, smi_msg)) { list_del(&smi_msg->link); ipmi_free_smi_msg(smi_msg); } else { diff --git a/drivers/char/ipmi/ipmi_poweroff.c b/drivers/char/ipmi/ipmi_poweroff.c index 786a2802ca3..d0b5c08e7b4 100644 --- a/drivers/char/ipmi/ipmi_poweroff.c +++ b/drivers/char/ipmi/ipmi_poweroff.c @@ -346,7 +346,7 @@ static int ipmi_dell_chassis_detect (ipmi_user_t user) { const char ipmi_version_major = ipmi_version & 0xF; const char ipmi_version_minor = (ipmi_version >> 4) & 0xF; - const char mfr[3]=DELL_IANA_MFR_ID; + const char mfr[3] = DELL_IANA_MFR_ID; if (!memcmp(mfr, &mfg_id, sizeof(mfr)) && ipmi_version_major <= 1 && ipmi_version_minor < 5) diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index 35fbd4d8ed4..a86c0f29953 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -803,7 +803,7 @@ static int ipmi_thread(void *data) set_user_nice(current, 19); while (!kthread_should_stop()) { spin_lock_irqsave(&(smi_info->si_lock), flags); - smi_result=smi_event_handler(smi_info, 0); + smi_result = smi_event_handler(smi_info, 0); spin_unlock_irqrestore(&(smi_info->si_lock), flags); if (smi_result == SI_SM_CALL_WITHOUT_DELAY) { /* do nothing */ @@ -972,10 +972,37 @@ static irqreturn_t si_bt_irq_handler(int irq, void *data, struct pt_regs *regs) return si_irq_handler(irq, data, regs); } +static int smi_start_processing(void *send_info, + ipmi_smi_t intf) +{ + struct smi_info *new_smi = send_info; + + new_smi->intf = intf; + + /* Set up the timer that drives the interface. */ + setup_timer(&new_smi->si_timer, smi_timeout, (long)new_smi); + new_smi->last_timeout_jiffies = jiffies; + mod_timer(&new_smi->si_timer, jiffies + SI_TIMEOUT_JIFFIES); + + if (new_smi->si_type != SI_BT) { + new_smi->thread = kthread_run(ipmi_thread, new_smi, + "kipmi%d", new_smi->intf_num); + if (IS_ERR(new_smi->thread)) { + printk(KERN_NOTICE "ipmi_si_intf: Could not start" + " kernel thread due to error %ld, only using" + " timers to drive the interface\n", + PTR_ERR(new_smi->thread)); + new_smi->thread = NULL; + } + } + + return 0; +} static struct ipmi_smi_handlers handlers = { .owner = THIS_MODULE, + .start_processing = smi_start_processing, .sender = sender, .request_events = request_events, .set_run_to_completion = set_run_to_completion, @@ -987,7 +1014,7 @@ static struct ipmi_smi_handlers handlers = #define SI_MAX_PARMS 4 static LIST_HEAD(smi_infos); -static DECLARE_MUTEX(smi_infos_lock); +static DEFINE_MUTEX(smi_infos_lock); static int smi_num; /* Used to sequence the SMIs */ #define DEFAULT_REGSPACING 1 @@ -2162,9 +2189,13 @@ static void setup_xaction_handlers(struct smi_info *smi_info) static inline void wait_for_timer_and_thread(struct smi_info *smi_info) { - if (smi_info->thread != NULL && smi_info->thread != ERR_PTR(-ENOMEM)) - kthread_stop(smi_info->thread); - del_timer_sync(&smi_info->si_timer); + if (smi_info->intf) { + /* The timer and thread are only running if the + interface has been started up and registered. */ + if (smi_info->thread != NULL) + kthread_stop(smi_info->thread); + del_timer_sync(&smi_info->si_timer); + } } static struct ipmi_default_vals @@ -2245,7 +2276,7 @@ static int try_smi_init(struct smi_info *new_smi) new_smi->slave_addr, new_smi->irq); } - down(&smi_infos_lock); + mutex_lock(&smi_infos_lock); if (!is_new_interface(new_smi)) { printk(KERN_WARNING "ipmi_si: duplicate interface\n"); rv = -EBUSY; @@ -2341,21 +2372,6 @@ static int try_smi_init(struct smi_info *new_smi) if (new_smi->irq) new_smi->si_state = SI_CLEARING_FLAGS_THEN_SET_IRQ; - /* The ipmi_register_smi() code does some operations to - determine the channel information, so we must be ready to - handle operations before it is called. This means we have - to stop the timer if we get an error after this point. */ - init_timer(&(new_smi->si_timer)); - new_smi->si_timer.data = (long) new_smi; - new_smi->si_timer.function = smi_timeout; - new_smi->last_timeout_jiffies = jiffies; - new_smi->si_timer.expires = jiffies + SI_TIMEOUT_JIFFIES; - - add_timer(&(new_smi->si_timer)); - if (new_smi->si_type != SI_BT) - new_smi->thread = kthread_run(ipmi_thread, new_smi, - "kipmi%d", new_smi->intf_num); - if (!new_smi->dev) { /* If we don't already have a device from something * else (like PCI), then register a new one. */ @@ -2365,7 +2381,7 @@ static int try_smi_init(struct smi_info *new_smi) printk(KERN_ERR "ipmi_si_intf:" " Unable to allocate platform device\n"); - goto out_err_stop_timer; + goto out_err; } new_smi->dev = &new_smi->pdev->dev; new_smi->dev->driver = &ipmi_driver; @@ -2377,7 +2393,7 @@ static int try_smi_init(struct smi_info *new_smi) " Unable to register system interface device:" " %d\n", rv); - goto out_err_stop_timer; + goto out_err; } new_smi->dev_registered = 1; } @@ -2386,8 +2402,7 @@ static int try_smi_init(struct smi_info *new_smi) new_smi, &new_smi->device_id, new_smi->dev, - new_smi->slave_addr, - &(new_smi->intf)); + new_smi->slave_addr); if (rv) { printk(KERN_ERR "ipmi_si: Unable to register device: error %d\n", @@ -2417,7 +2432,7 @@ static int try_smi_init(struct smi_info *new_smi) list_add_tail(&new_smi->link, &smi_infos); - up(&smi_infos_lock); + mutex_unlock(&smi_infos_lock); printk(" IPMI %s interface initialized\n",si_to_str[new_smi->si_type]); @@ -2454,7 +2469,7 @@ static int try_smi_init(struct smi_info *new_smi) kfree(new_smi); - up(&smi_infos_lock); + mutex_unlock(&smi_infos_lock); return rv; } @@ -2512,26 +2527,26 @@ static __devinit int init_ipmi_si(void) #endif if (si_trydefaults) { - down(&smi_infos_lock); + mutex_lock(&smi_infos_lock); if (list_empty(&smi_infos)) { /* No BMC was found, try defaults. */ - up(&smi_infos_lock); + mutex_unlock(&smi_infos_lock); default_find_bmc(); } else { - up(&smi_infos_lock); + mutex_unlock(&smi_infos_lock); } } - down(&smi_infos_lock); + mutex_lock(&smi_infos_lock); if (list_empty(&smi_infos)) { - up(&smi_infos_lock); + mutex_unlock(&smi_infos_lock); #ifdef CONFIG_PCI pci_unregister_driver(&ipmi_pci_driver); #endif printk("ipmi_si: Unable to find any System Interface(s)\n"); return -ENODEV; } else { - up(&smi_infos_lock); + mutex_unlock(&smi_infos_lock); return 0; } } @@ -2607,10 +2622,10 @@ static __exit void cleanup_ipmi_si(void) pci_unregister_driver(&ipmi_pci_driver); #endif - down(&smi_infos_lock); + mutex_lock(&smi_infos_lock); list_for_each_entry_safe(e, tmp_e, &smi_infos, link) cleanup_one_si(e); - up(&smi_infos_lock); + mutex_unlock(&smi_infos_lock); driver_unregister(&ipmi_driver); } diff --git a/drivers/char/ipmi/ipmi_watchdog.c b/drivers/char/ipmi/ipmi_watchdog.c index 7ece9f3c8f7..2d11ddd99e5 100644 --- a/drivers/char/ipmi/ipmi_watchdog.c +++ b/drivers/char/ipmi/ipmi_watchdog.c @@ -39,6 +39,7 @@ #include <linux/watchdog.h> #include <linux/miscdevice.h> #include <linux/init.h> +#include <linux/completion.h> #include <linux/rwsem.h> #include <linux/errno.h> #include <asm/uaccess.h> @@ -303,21 +304,22 @@ static int ipmi_heartbeat(void); static void panic_halt_ipmi_heartbeat(void); -/* We use a semaphore to make sure that only one thing can send a set +/* We use a mutex to make sure that only one thing can send a set timeout at one time, because we only have one copy of the data. - The semaphore is claimed when the set_timeout is sent and freed + The mutex is claimed when the set_timeout is sent and freed when both messages are free. */ static atomic_t set_timeout_tofree = ATOMIC_INIT(0); -static DECLARE_MUTEX(set_timeout_lock); +static DEFINE_MUTEX(set_timeout_lock); +static DECLARE_COMPLETION(set_timeout_wait); static void set_timeout_free_smi(struct ipmi_smi_msg *msg) { if (atomic_dec_and_test(&set_timeout_tofree)) - up(&set_timeout_lock); + complete(&set_timeout_wait); } static void set_timeout_free_recv(struct ipmi_recv_msg *msg) { if (atomic_dec_and_test(&set_timeout_tofree)) - up(&set_timeout_lock); + complete(&set_timeout_wait); } static struct ipmi_smi_msg set_timeout_smi_msg = { @@ -399,7 +401,7 @@ static int ipmi_set_timeout(int do_heartbeat) /* We can only send one of these at a time. */ - down(&set_timeout_lock); + mutex_lock(&set_timeout_lock); atomic_set(&set_timeout_tofree, 2); @@ -407,16 +409,21 @@ static int ipmi_set_timeout(int do_heartbeat) &set_timeout_recv_msg, &send_heartbeat_now); if (rv) { - up(&set_timeout_lock); - } else { - if ((do_heartbeat == IPMI_SET_TIMEOUT_FORCE_HB) - || ((send_heartbeat_now) - && (do_heartbeat == IPMI_SET_TIMEOUT_HB_IF_NECESSARY))) - { - rv = ipmi_heartbeat(); - } + mutex_unlock(&set_timeout_lock); + goto out; } + wait_for_completion(&set_timeout_wait); + + if ((do_heartbeat == IPMI_SET_TIMEOUT_FORCE_HB) + || ((send_heartbeat_now) + && (do_heartbeat == IPMI_SET_TIMEOUT_HB_IF_NECESSARY))) + { + rv = ipmi_heartbeat(); + } + mutex_unlock(&set_timeout_lock); + +out: return rv; } @@ -458,17 +465,17 @@ static void panic_halt_ipmi_set_timeout(void) The semaphore is claimed when the set_timeout is sent and freed when both messages are free. */ static atomic_t heartbeat_tofree = ATOMIC_INIT(0); -static DECLARE_MUTEX(heartbeat_lock); -static DECLARE_MUTEX_LOCKED(heartbeat_wait_lock); +static DEFINE_MUTEX(heartbeat_lock); +static DECLARE_COMPLETION(heartbeat_wait); static void heartbeat_free_smi(struct ipmi_smi_msg *msg) { if (atomic_dec_and_test(&heartbeat_tofree)) - up(&heartbeat_wait_lock); + complete(&heartbeat_wait); } static void heartbeat_free_recv(struct ipmi_recv_msg *msg) { if (atomic_dec_and_test(&heartbeat_tofree)) - up(&heartbeat_wait_lock); + complete(&heartbeat_wait); } static struct ipmi_smi_msg heartbeat_smi_msg = { @@ -511,14 +518,14 @@ static int ipmi_heartbeat(void) return ipmi_set_timeout(IPMI_SET_TIMEOUT_HB_IF_NECESSARY); } - down(&heartbeat_lock); + mutex_lock(&heartbeat_lock); atomic_set(&heartbeat_tofree, 2); /* Don't reset the timer if we have the timer turned off, that re-enables the watchdog. */ if (ipmi_watchdog_state == WDOG_TIMEOUT_NONE) { - up(&heartbeat_lock); + mutex_unlock(&heartbeat_lock); return 0; } @@ -539,14 +546,14 @@ static int ipmi_heartbeat(void) &heartbeat_recv_msg, 1); if (rv) { - up(&heartbeat_lock); + mutex_unlock(&heartbeat_lock); printk(KERN_WARNING PFX "heartbeat failure: %d\n", rv); return rv; } /* Wait for the heartbeat to be sent. */ - down(&heartbeat_wait_lock); + wait_for_completion(&heartbeat_wait); if (heartbeat_recv_msg.msg.data[0] != 0) { /* Got an error in the heartbeat response. It was already @@ -555,7 +562,7 @@ static int ipmi_heartbeat(void) rv = -EINVAL; } - up(&heartbeat_lock); + mutex_unlock(&heartbeat_lock); return rv; } @@ -589,7 +596,7 @@ static void panic_halt_ipmi_heartbeat(void) 1); } -static struct watchdog_info ident= +static struct watchdog_info ident = { .options = 0, /* WDIOF_SETTIMEOUT, */ .firmware_version = 1, @@ -790,13 +797,13 @@ static int ipmi_fasync(int fd, struct file *file, int on) static int ipmi_close(struct inode *ino, struct file *filep) { - if (iminor(ino)==WATCHDOG_MINOR) - { + if (iminor(ino) == WATCHDOG_MINOR) { if (expect_close == 42) { ipmi_watchdog_state = WDOG_TIMEOUT_NONE; ipmi_set_timeout(IPMI_SET_TIMEOUT_NO_HB); } else { - printk(KERN_CRIT PFX "Unexpected close, not stopping watchdog!\n"); + printk(KERN_CRIT PFX + "Unexpected close, not stopping watchdog!\n"); ipmi_heartbeat(); } clear_bit(0, &ipmi_wdog_open); diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c index e5247f85a44..ef20c1fc9c4 100644 --- a/drivers/char/istallion.c +++ b/drivers/char/istallion.c @@ -706,7 +706,6 @@ static int stli_portcmdstats(stliport_t *portp); static int stli_clrportstats(stliport_t *portp, comstats_t __user *cp); static int stli_getportstruct(stliport_t __user *arg); static int stli_getbrdstruct(stlibrd_t __user *arg); -static void *stli_memalloc(int len); static stlibrd_t *stli_allocbrd(void); static void stli_ecpinit(stlibrd_t *brdp); @@ -997,17 +996,6 @@ static int stli_parsebrd(stlconf_t *confp, char **argp) /*****************************************************************************/ -/* - * Local driver kernel malloc routine. - */ - -static void *stli_memalloc(int len) -{ - return((void *) kmalloc(len, GFP_KERNEL)); -} - -/*****************************************************************************/ - static int stli_open(struct tty_struct *tty, struct file *filp) { stlibrd_t *brdp; @@ -3227,13 +3215,12 @@ static int stli_initports(stlibrd_t *brdp) #endif for (i = 0, panelnr = 0, panelport = 0; (i < brdp->nrports); i++) { - portp = (stliport_t *) stli_memalloc(sizeof(stliport_t)); - if (portp == (stliport_t *) NULL) { + portp = kzalloc(sizeof(stliport_t), GFP_KERNEL); + if (!portp) { printk("STALLION: failed to allocate port structure\n"); continue; } - memset(portp, 0, sizeof(stliport_t)); portp->magic = STLI_PORTMAGIC; portp->portnr = i; portp->brdnr = brdp->brdnr; @@ -4610,14 +4597,13 @@ static stlibrd_t *stli_allocbrd(void) { stlibrd_t *brdp; - brdp = (stlibrd_t *) stli_memalloc(sizeof(stlibrd_t)); - if (brdp == (stlibrd_t *) NULL) { + brdp = kzalloc(sizeof(stlibrd_t), GFP_KERNEL); + if (!brdp) { printk(KERN_ERR "STALLION: failed to allocate memory " "(size=%d)\n", sizeof(stlibrd_t)); - return((stlibrd_t *) NULL); + return NULL; } - memset(brdp, 0, sizeof(stlibrd_t)); brdp->magic = STLI_BOARDMAGIC; return(brdp); } @@ -5210,12 +5196,12 @@ int __init stli_init(void) /* * Allocate a temporary write buffer. */ - stli_tmpwritebuf = (char *) stli_memalloc(STLI_TXBUFSIZE); - if (stli_tmpwritebuf == (char *) NULL) + stli_tmpwritebuf = kmalloc(STLI_TXBUFSIZE, GFP_KERNEL); + if (!stli_tmpwritebuf) printk(KERN_ERR "STALLION: failed to allocate memory " "(size=%d)\n", STLI_TXBUFSIZE); - stli_txcookbuf = stli_memalloc(STLI_TXBUFSIZE); - if (stli_txcookbuf == (char *) NULL) + stli_txcookbuf = kmalloc(STLI_TXBUFSIZE, GFP_KERNEL); + if (!stli_txcookbuf) printk(KERN_ERR "STALLION: failed to allocate memory " "(size=%d)\n", STLI_TXBUFSIZE); diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c index 8b603b2d1c4..935670a3cd9 100644 --- a/drivers/char/keyboard.c +++ b/drivers/char/keyboard.c @@ -74,7 +74,7 @@ void compute_shiftstate(void); k_self, k_fn, k_spec, k_pad,\ k_dead, k_cons, k_cur, k_shift,\ k_meta, k_ascii, k_lock, k_lowercase,\ - k_slock, k_dead2, k_ignore, k_ignore + k_slock, k_dead2, k_brl, k_ignore typedef void (k_handler_fn)(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs); @@ -100,7 +100,7 @@ static fn_handler_fn *fn_handler[] = { FN_HANDLERS }; const int max_vals[] = { 255, ARRAY_SIZE(func_table) - 1, ARRAY_SIZE(fn_handler) - 1, NR_PAD - 1, NR_DEAD - 1, 255, 3, NR_SHIFT - 1, 255, NR_ASCII - 1, NR_LOCK - 1, - 255, NR_LOCK - 1, 255 + 255, NR_LOCK - 1, 255, NR_BRL - 1 }; const int NR_TYPES = ARRAY_SIZE(max_vals); @@ -126,7 +126,7 @@ static unsigned long key_down[NBITS(KEY_MAX)]; /* keyboard key bitmap */ static unsigned char shift_down[NR_SHIFT]; /* shift state counters.. */ static int dead_key_next; static int npadch = -1; /* -1 or number assembled on pad */ -static unsigned char diacr; +static unsigned int diacr; static char rep; /* flag telling character repeat */ static unsigned char ledstate = 0xff; /* undefined */ @@ -394,22 +394,30 @@ void compute_shiftstate(void) * Otherwise, conclude that DIACR was not combining after all, * queue it and return CH. */ -static unsigned char handle_diacr(struct vc_data *vc, unsigned char ch) +static unsigned int handle_diacr(struct vc_data *vc, unsigned int ch) { - int d = diacr; + unsigned int d = diacr; unsigned int i; diacr = 0; - for (i = 0; i < accent_table_size; i++) { - if (accent_table[i].diacr == d && accent_table[i].base == ch) - return accent_table[i].result; + if ((d & ~0xff) == BRL_UC_ROW) { + if ((ch & ~0xff) == BRL_UC_ROW) + return d | ch; + } else { + for (i = 0; i < accent_table_size; i++) + if (accent_table[i].diacr == d && accent_table[i].base == ch) + return accent_table[i].result; } - if (ch == ' ' || ch == d) + if (ch == ' ' || ch == (BRL_UC_ROW|0) || ch == d) return d; - put_queue(vc, d); + if (kbd->kbdmode == VC_UNICODE) + to_utf8(vc, d); + else if (d < 0x100) + put_queue(vc, d); + return ch; } @@ -419,7 +427,10 @@ static unsigned char handle_diacr(struct vc_data *vc, unsigned char ch) static void fn_enter(struct vc_data *vc, struct pt_regs *regs) { if (diacr) { - put_queue(vc, diacr); + if (kbd->kbdmode == VC_UNICODE) + to_utf8(vc, diacr); + else if (diacr < 0x100) + put_queue(vc, diacr); diacr = 0; } put_queue(vc, 13); @@ -615,7 +626,7 @@ static void k_lowercase(struct vc_data *vc, unsigned char value, char up_flag, s printk(KERN_ERR "keyboard.c: k_lowercase was called - impossible\n"); } -static void k_self(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs) +static void k_unicode(struct vc_data *vc, unsigned int value, char up_flag, struct pt_regs *regs) { if (up_flag) return; /* no action, if this is a key release */ @@ -628,7 +639,10 @@ static void k_self(struct vc_data *vc, unsigned char value, char up_flag, struct diacr = value; return; } - put_queue(vc, value); + if (kbd->kbdmode == VC_UNICODE) + to_utf8(vc, value); + else if (value < 0x100) + put_queue(vc, value); } /* @@ -636,13 +650,23 @@ static void k_self(struct vc_data *vc, unsigned char value, char up_flag, struct * dead keys modifying the same character. Very useful * for Vietnamese. */ -static void k_dead2(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs) +static void k_deadunicode(struct vc_data *vc, unsigned int value, char up_flag, struct pt_regs *regs) { if (up_flag) return; diacr = (diacr ? handle_diacr(vc, value) : value); } +static void k_self(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs) +{ + k_unicode(vc, value, up_flag, regs); +} + +static void k_dead2(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs) +{ + k_deadunicode(vc, value, up_flag, regs); +} + /* * Obsolete - for backwards compatibility only */ @@ -650,7 +674,7 @@ static void k_dead(struct vc_data *vc, unsigned char value, char up_flag, struct { static unsigned char ret_diacr[NR_DEAD] = {'`', '\'', '^', '~', '"', ',' }; value = ret_diacr[value]; - k_dead2(vc, value, up_flag, regs); + k_deadunicode(vc, value, up_flag, regs); } static void k_cons(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs) @@ -835,6 +859,62 @@ static void k_slock(struct vc_data *vc, unsigned char value, char up_flag, struc } } +/* by default, 300ms interval for combination release */ +static long brl_timeout = 300; +MODULE_PARM_DESC(brl_timeout, "Braille keys release delay in ms (0 for combination on first release, < 0 for dead characters)"); +module_param(brl_timeout, long, 0644); +static void k_brl(struct vc_data *vc, unsigned char value, char up_flag, struct pt_regs *regs) +{ + static unsigned pressed,committing; + static unsigned long releasestart; + + if (kbd->kbdmode != VC_UNICODE) { + if (!up_flag) + printk("keyboard mode must be unicode for braille patterns\n"); + return; + } + + if (!value) { + k_unicode(vc, BRL_UC_ROW, up_flag, regs); + return; + } + + if (value > 8) + return; + + if (brl_timeout < 0) { + k_deadunicode(vc, BRL_UC_ROW | (1 << (value - 1)), up_flag, regs); + return; + } + + if (up_flag) { + if (brl_timeout) { + if (!committing || + jiffies - releasestart > (brl_timeout * HZ) / 1000) { + committing = pressed; + releasestart = jiffies; + } + pressed &= ~(1 << (value - 1)); + if (!pressed) { + if (committing) { + k_unicode(vc, BRL_UC_ROW | committing, 0, regs); + committing = 0; + } + } + } else { + if (committing) { + k_unicode(vc, BRL_UC_ROW | committing, 0, regs); + committing = 0; + } + pressed &= ~(1 << (value - 1)); + } + } else { + pressed |= 1 << (value - 1); + if (!brl_timeout) + committing = pressed; + } +} + /* * The leds display either (i) the status of NumLock, CapsLock, ScrollLock, * or (ii) whatever pattern of lights people want to show using KDSETLED, @@ -1125,9 +1205,13 @@ static void kbd_keycode(unsigned int keycode, int down, } if (keycode > NR_KEYS) - return; + if (keycode >= KEY_BRL_DOT1 && keycode <= KEY_BRL_DOT8) + keysym = K(KT_BRL, keycode - KEY_BRL_DOT1 + 1); + else + return; + else + keysym = key_map[keycode]; - keysym = key_map[keycode]; type = KTYP(keysym); if (type < 0xf0) { diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c index 5fdf1851543..02114a0bd0d 100644 --- a/drivers/char/pcmcia/cm4000_cs.c +++ b/drivers/char/pcmcia/cm4000_cs.c @@ -46,7 +46,7 @@ /* #define ATR_CSUM */ #ifdef PCMCIA_DEBUG -#define reader_to_dev(x) (&handle_to_dev(x->link.handle)) +#define reader_to_dev(x) (&handle_to_dev(x->p_dev->handle)) static int pc_debug = PCMCIA_DEBUG; module_param(pc_debug, int, 0600); #define DEBUGP(n, rdr, x, args...) do { \ @@ -67,7 +67,7 @@ static char *version = "cm4000_cs.c v2.4.0gm6 - All bugs added by Harald Welte"; #define T_100MSEC msecs_to_jiffies(100) #define T_500MSEC msecs_to_jiffies(500) -static void cm4000_release(dev_link_t *link); +static void cm4000_release(struct pcmcia_device *link); static int major; /* major number we get from the kernel */ @@ -106,7 +106,7 @@ static int major; /* major number we get from the kernel */ #define REG_STOPBITS(x) (x + 7) struct cm4000_dev { - dev_link_t link; /* pcmcia link */ + struct pcmcia_device *p_dev; dev_node_t node; /* OS node (major,minor) */ unsigned char atr[MAX_ATR]; @@ -149,14 +149,14 @@ struct cm4000_dev { #define ZERO_DEV(dev) \ memset(&dev->atr_csum,0, \ sizeof(struct cm4000_dev) - \ - /*link*/ sizeof(dev_link_t) - \ + /*link*/ sizeof(struct pcmcia_device) - \ /*node*/ sizeof(dev_node_t) - \ /*atr*/ MAX_ATR*sizeof(char) - \ /*rbuf*/ 512*sizeof(char) - \ /*sbuf*/ 512*sizeof(char) - \ /*queue*/ 4*sizeof(wait_queue_head_t)) -static dev_link_t *dev_table[CM4000_MAX_DEV]; +static struct pcmcia_device *dev_table[CM4000_MAX_DEV]; static struct class *cmm_class; /* This table doesn't use spaces after the comma between fields and thus @@ -454,7 +454,7 @@ static struct card_fixup card_fixups[] = { static void set_cardparameter(struct cm4000_dev *dev) { int i; - ioaddr_t iobase = dev->link.io.BasePort1; + ioaddr_t iobase = dev->p_dev->io.BasePort1; u_int8_t stopbits = 0x02; /* ISO default */ DEBUGP(3, dev, "-> set_cardparameter\n"); @@ -487,7 +487,7 @@ static int set_protocol(struct cm4000_dev *dev, struct ptsreq *ptsreq) unsigned short num_bytes_read; unsigned char pts_reply[4]; ssize_t rc; - ioaddr_t iobase = dev->link.io.BasePort1; + ioaddr_t iobase = dev->p_dev->io.BasePort1; rc = 0; @@ -699,7 +699,7 @@ static void terminate_monitor(struct cm4000_dev *dev) static void monitor_card(unsigned long p) { struct cm4000_dev *dev = (struct cm4000_dev *) p; - ioaddr_t iobase = dev->link.io.BasePort1; + ioaddr_t iobase = dev->p_dev->io.BasePort1; unsigned short s; struct ptsreq ptsreq; int i, atrc; @@ -962,7 +962,7 @@ static ssize_t cmm_read(struct file *filp, __user char *buf, size_t count, loff_t *ppos) { struct cm4000_dev *dev = filp->private_data; - ioaddr_t iobase = dev->link.io.BasePort1; + ioaddr_t iobase = dev->p_dev->io.BasePort1; ssize_t rc; int i, j, k; @@ -971,7 +971,7 @@ static ssize_t cmm_read(struct file *filp, __user char *buf, size_t count, if (count == 0) /* according to manpage */ return 0; - if ((dev->link.state & DEV_PRESENT) == 0 || /* socket removed */ + if (!pcmcia_dev_present(dev->p_dev) || /* device removed */ test_bit(IS_CMM_ABSENT, &dev->flags)) return -ENODEV; @@ -1083,7 +1083,7 @@ static ssize_t cmm_write(struct file *filp, const char __user *buf, size_t count, loff_t *ppos) { struct cm4000_dev *dev = (struct cm4000_dev *) filp->private_data; - ioaddr_t iobase = dev->link.io.BasePort1; + ioaddr_t iobase = dev->p_dev->io.BasePort1; unsigned short s; unsigned char tmp; unsigned char infolen; @@ -1108,7 +1108,7 @@ static ssize_t cmm_write(struct file *filp, const char __user *buf, sendT0 = dev->proto ? 0 : nr > 5 ? 0x08 : 0; - if ((dev->link.state & DEV_PRESENT) == 0 || /* socket removed */ + if (!pcmcia_dev_present(dev->p_dev) || /* device removed */ test_bit(IS_CMM_ABSENT, &dev->flags)) return -ENODEV; @@ -1440,8 +1440,8 @@ static int cmm_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) { struct cm4000_dev *dev = filp->private_data; - ioaddr_t iobase = dev->link.io.BasePort1; - dev_link_t *link; + ioaddr_t iobase = dev->p_dev->io.BasePort1; + struct pcmcia_device *link; int size; int rc; void __user *argp = (void __user *)arg; @@ -1458,7 +1458,7 @@ static int cmm_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, iminor(inode), ioctl_names[_IOC_NR(cmd)]); link = dev_table[iminor(inode)]; - if (!(DEV_OK(link))) { + if (!pcmcia_dev_present(link)) { DEBUGP(4, dev, "DEV_OK false\n"); return -ENODEV; } @@ -1660,14 +1660,14 @@ static int cmm_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, static int cmm_open(struct inode *inode, struct file *filp) { struct cm4000_dev *dev; - dev_link_t *link; + struct pcmcia_device *link; int rc, minor = iminor(inode); if (minor >= CM4000_MAX_DEV) return -ENODEV; link = dev_table[minor]; - if (link == NULL || !(DEV_OK(link))) + if (link == NULL || !pcmcia_dev_present(link)) return -ENODEV; if (link->open) @@ -1709,7 +1709,7 @@ static int cmm_open(struct inode *inode, struct file *filp) static int cmm_close(struct inode *inode, struct file *filp) { struct cm4000_dev *dev; - dev_link_t *link; + struct pcmcia_device *link; int minor = iminor(inode); if (minor >= CM4000_MAX_DEV) @@ -1735,7 +1735,7 @@ static int cmm_close(struct inode *inode, struct file *filp) return 0; } -static void cmm_cm4000_release(dev_link_t * link) +static void cmm_cm4000_release(struct pcmcia_device * link) { struct cm4000_dev *dev = link->priv; @@ -1759,13 +1759,11 @@ static void cmm_cm4000_release(dev_link_t * link) /*==== Interface to PCMCIA Layer =======================================*/ -static void cm4000_config(dev_link_t * link, int devno) +static int cm4000_config(struct pcmcia_device * link, int devno) { - client_handle_t handle = link->handle; struct cm4000_dev *dev; tuple_t tuple; cisparse_t parse; - config_info_t conf; u_char buf[64]; int fail_fn, fail_rc; int rc; @@ -1777,41 +1775,34 @@ static void cm4000_config(dev_link_t * link, int devno) tuple.TupleDataMax = sizeof(buf); tuple.TupleOffset = 0; - if ((fail_rc = pcmcia_get_first_tuple(handle, &tuple)) != CS_SUCCESS) { + if ((fail_rc = pcmcia_get_first_tuple(link, &tuple)) != CS_SUCCESS) { fail_fn = GetFirstTuple; goto cs_failed; } - if ((fail_rc = pcmcia_get_tuple_data(handle, &tuple)) != CS_SUCCESS) { + if ((fail_rc = pcmcia_get_tuple_data(link, &tuple)) != CS_SUCCESS) { fail_fn = GetTupleData; goto cs_failed; } if ((fail_rc = - pcmcia_parse_tuple(handle, &tuple, &parse)) != CS_SUCCESS) { + pcmcia_parse_tuple(link, &tuple, &parse)) != CS_SUCCESS) { fail_fn = ParseTuple; goto cs_failed; } - if ((fail_rc = - pcmcia_get_configuration_info(handle, &conf)) != CS_SUCCESS) { - fail_fn = GetConfigurationInfo; - goto cs_failed; - } - link->state |= DEV_CONFIG; link->conf.ConfigBase = parse.config.base; link->conf.Present = parse.config.rmask[0]; - link->conf.Vcc = conf.Vcc; link->io.BasePort2 = 0; link->io.NumPorts2 = 0; link->io.Attributes2 = 0; tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; - for (rc = pcmcia_get_first_tuple(handle, &tuple); - rc == CS_SUCCESS; rc = pcmcia_get_next_tuple(handle, &tuple)) { + for (rc = pcmcia_get_first_tuple(link, &tuple); + rc == CS_SUCCESS; rc = pcmcia_get_next_tuple(link, &tuple)) { - rc = pcmcia_get_tuple_data(handle, &tuple); + rc = pcmcia_get_tuple_data(link, &tuple); if (rc != CS_SUCCESS) continue; - rc = pcmcia_parse_tuple(handle, &tuple, &parse); + rc = pcmcia_parse_tuple(link, &tuple, &parse); if (rc != CS_SUCCESS) continue; @@ -1831,7 +1822,7 @@ static void cm4000_config(dev_link_t * link, int devno) link->io.IOAddrLines = parse.cftable_entry.io.flags & CISTPL_IO_LINES_MASK; - rc = pcmcia_request_io(handle, &link->io); + rc = pcmcia_request_io(link, &link->io); if (rc == CS_SUCCESS) break; /* we are done */ } @@ -1841,7 +1832,7 @@ static void cm4000_config(dev_link_t * link, int devno) link->conf.IntType = 00000002; if ((fail_rc = - pcmcia_request_configuration(handle, &link->conf)) != CS_SUCCESS) { + pcmcia_request_configuration(link, &link->conf)) != CS_SUCCESS) { fail_fn = RequestConfiguration; goto cs_release; } @@ -1851,63 +1842,48 @@ static void cm4000_config(dev_link_t * link, int devno) dev->node.major = major; dev->node.minor = devno; dev->node.next = NULL; - link->dev = &dev->node; - link->state &= ~DEV_CONFIG_PENDING; + link->dev_node = &dev->node; - return; + return 0; cs_failed: - cs_error(handle, fail_fn, fail_rc); + cs_error(link, fail_fn, fail_rc); cs_release: cm4000_release(link); - - link->state &= ~DEV_CONFIG_PENDING; + return -ENODEV; } -static int cm4000_suspend(struct pcmcia_device *p_dev) +static int cm4000_suspend(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); struct cm4000_dev *dev; dev = link->priv; - - link->state |= DEV_SUSPEND; - if (link->state & DEV_CONFIG) - pcmcia_release_configuration(link->handle); stop_monitor(dev); return 0; } -static int cm4000_resume(struct pcmcia_device *p_dev) +static int cm4000_resume(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); struct cm4000_dev *dev; dev = link->priv; - - link->state &= ~DEV_SUSPEND; - if (link->state & DEV_CONFIG) - pcmcia_request_configuration(link->handle, &link->conf); - if (link->open) start_monitor(dev); return 0; } -static void cm4000_release(dev_link_t *link) +static void cm4000_release(struct pcmcia_device *link) { cmm_cm4000_release(link->priv); /* delay release until device closed */ - pcmcia_release_configuration(link->handle); - pcmcia_release_io(link->handle, &link->io); + pcmcia_disable_device(link); } -static int cm4000_attach(struct pcmcia_device *p_dev) +static int cm4000_probe(struct pcmcia_device *link) { struct cm4000_dev *dev; - dev_link_t *link; - int i; + int i, ret; for (i = 0; i < CM4000_MAX_DEV; i++) if (dev_table[i] == NULL) @@ -1923,7 +1899,7 @@ static int cm4000_attach(struct pcmcia_device *p_dev) if (dev == NULL) return -ENOMEM; - link = &dev->link; + dev->p_dev = link; link->priv = dev; link->conf.IntType = INT_MEMORY_AND_IO; dev_table[i] = link; @@ -1933,11 +1909,9 @@ static int cm4000_attach(struct pcmcia_device *p_dev) init_waitqueue_head(&dev->atrq); init_waitqueue_head(&dev->readq); - link->handle = p_dev; - p_dev->instance = link; - - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - cm4000_config(link, i); + ret = cm4000_config(link, i); + if (ret) + return ret; class_device_create(cmm_class, NULL, MKDEV(major, i), NULL, "cmm%d", i); @@ -1945,9 +1919,8 @@ static int cm4000_attach(struct pcmcia_device *p_dev) return 0; } -static void cm4000_detach(struct pcmcia_device *p_dev) +static void cm4000_detach(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); struct cm4000_dev *dev = link->priv; int devno; @@ -1958,11 +1931,9 @@ static void cm4000_detach(struct pcmcia_device *p_dev) if (devno == CM4000_MAX_DEV) return; - link->state &= ~DEV_PRESENT; stop_monitor(dev); - if (link->state & DEV_CONFIG) - cm4000_release(link); + cm4000_release(link); dev_table[devno] = NULL; kfree(dev); @@ -1993,7 +1964,7 @@ static struct pcmcia_driver cm4000_driver = { .drv = { .name = "cm4000_cs", }, - .probe = cm4000_attach, + .probe = cm4000_probe, .remove = cm4000_detach, .suspend = cm4000_suspend, .resume = cm4000_resume, diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c index 466e33bab02..29efa64580a 100644 --- a/drivers/char/pcmcia/cm4040_cs.c +++ b/drivers/char/pcmcia/cm4040_cs.c @@ -41,7 +41,7 @@ #ifdef PCMCIA_DEBUG -#define reader_to_dev(x) (&handle_to_dev(x->link.handle)) +#define reader_to_dev(x) (&handle_to_dev(x->p_dev->handle)) static int pc_debug = PCMCIA_DEBUG; module_param(pc_debug, int, 0600); #define DEBUGP(n, rdr, x, args...) do { \ @@ -65,7 +65,7 @@ static char *version = /* how often to poll for fifo status change */ #define POLL_PERIOD msecs_to_jiffies(10) -static void reader_release(dev_link_t *link); +static void reader_release(struct pcmcia_device *link); static int major; static struct class *cmx_class; @@ -74,7 +74,7 @@ static struct class *cmx_class; #define BS_WRITABLE 0x02 struct reader_dev { - dev_link_t link; + struct pcmcia_device *p_dev; dev_node_t node; wait_queue_head_t devq; wait_queue_head_t poll_wait; @@ -87,7 +87,7 @@ struct reader_dev { struct timer_list poll_timer; }; -static dev_link_t *dev_table[CM_MAX_DEV]; +static struct pcmcia_device *dev_table[CM_MAX_DEV]; #ifndef PCMCIA_DEBUG #define xoutb outb @@ -116,7 +116,7 @@ static inline unsigned char xinb(unsigned short port) static void cm4040_do_poll(unsigned long dummy) { struct reader_dev *dev = (struct reader_dev *) dummy; - unsigned int obs = xinb(dev->link.io.BasePort1 + unsigned int obs = xinb(dev->p_dev->io.BasePort1 + REG_OFFSET_BUFFER_STATUS); if ((obs & BSR_BULK_IN_FULL)) { @@ -147,7 +147,7 @@ static void cm4040_stop_poll(struct reader_dev *dev) static int wait_for_bulk_out_ready(struct reader_dev *dev) { int i, rc; - int iobase = dev->link.io.BasePort1; + int iobase = dev->p_dev->io.BasePort1; for (i = 0; i < POLL_LOOP_COUNT; i++) { if ((xinb(iobase + REG_OFFSET_BUFFER_STATUS) @@ -177,7 +177,7 @@ static int wait_for_bulk_out_ready(struct reader_dev *dev) /* Write to Sync Control Register */ static int write_sync_reg(unsigned char val, struct reader_dev *dev) { - int iobase = dev->link.io.BasePort1; + int iobase = dev->p_dev->io.BasePort1; int rc; rc = wait_for_bulk_out_ready(dev); @@ -195,7 +195,7 @@ static int write_sync_reg(unsigned char val, struct reader_dev *dev) static int wait_for_bulk_in_ready(struct reader_dev *dev) { int i, rc; - int iobase = dev->link.io.BasePort1; + int iobase = dev->p_dev->io.BasePort1; for (i = 0; i < POLL_LOOP_COUNT; i++) { if ((xinb(iobase + REG_OFFSET_BUFFER_STATUS) @@ -225,7 +225,7 @@ static ssize_t cm4040_read(struct file *filp, char __user *buf, size_t count, loff_t *ppos) { struct reader_dev *dev = filp->private_data; - int iobase = dev->link.io.BasePort1; + int iobase = dev->p_dev->io.BasePort1; size_t bytes_to_read; unsigned long i; size_t min_bytes_to_read; @@ -246,7 +246,7 @@ static ssize_t cm4040_read(struct file *filp, char __user *buf, return -EAGAIN; } - if ((dev->link.state & DEV_PRESENT)==0) + if (!pcmcia_dev_present(dev->p_dev)) return -ENODEV; for (i = 0; i < 5; i++) { @@ -328,7 +328,7 @@ static ssize_t cm4040_write(struct file *filp, const char __user *buf, size_t count, loff_t *ppos) { struct reader_dev *dev = filp->private_data; - int iobase = dev->link.io.BasePort1; + int iobase = dev->p_dev->io.BasePort1; ssize_t rc; int i; unsigned int bytes_to_write; @@ -351,7 +351,7 @@ static ssize_t cm4040_write(struct file *filp, const char __user *buf, return -EAGAIN; } - if ((dev->link.state & DEV_PRESENT) == 0) + if (!pcmcia_dev_present(dev->p_dev)) return -ENODEV; bytes_to_write = count; @@ -445,14 +445,14 @@ static unsigned int cm4040_poll(struct file *filp, poll_table *wait) static int cm4040_open(struct inode *inode, struct file *filp) { struct reader_dev *dev; - dev_link_t *link; + struct pcmcia_device *link; int minor = iminor(inode); if (minor >= CM_MAX_DEV) return -ENODEV; link = dev_table[minor]; - if (link == NULL || !(DEV_OK(link))) + if (link == NULL || !pcmcia_dev_present(link)) return -ENODEV; if (link->open) @@ -478,7 +478,7 @@ static int cm4040_open(struct inode *inode, struct file *filp) static int cm4040_close(struct inode *inode, struct file *filp) { struct reader_dev *dev = filp->private_data; - dev_link_t *link; + struct pcmcia_device *link; int minor = iminor(inode); DEBUGP(2, dev, "-> cm4040_close(maj/min=%d.%d)\n", imajor(inode), @@ -500,7 +500,7 @@ static int cm4040_close(struct inode *inode, struct file *filp) return 0; } -static void cm4040_reader_release(dev_link_t *link) +static void cm4040_reader_release(struct pcmcia_device *link) { struct reader_dev *dev = link->priv; @@ -514,60 +514,49 @@ static void cm4040_reader_release(dev_link_t *link) return; } -static void reader_config(dev_link_t *link, int devno) +static int reader_config(struct pcmcia_device *link, int devno) { - client_handle_t handle; struct reader_dev *dev; tuple_t tuple; cisparse_t parse; - config_info_t conf; u_char buf[64]; int fail_fn, fail_rc; int rc; - handle = link->handle; - tuple.DesiredTuple = CISTPL_CONFIG; tuple.Attributes = 0; tuple.TupleData = buf; tuple.TupleDataMax = sizeof(buf); tuple.TupleOffset = 0; - if ((fail_rc = pcmcia_get_first_tuple(handle, &tuple)) != CS_SUCCESS) { + if ((fail_rc = pcmcia_get_first_tuple(link, &tuple)) != CS_SUCCESS) { fail_fn = GetFirstTuple; goto cs_failed; } - if ((fail_rc = pcmcia_get_tuple_data(handle, &tuple)) != CS_SUCCESS) { + if ((fail_rc = pcmcia_get_tuple_data(link, &tuple)) != CS_SUCCESS) { fail_fn = GetTupleData; goto cs_failed; } - if ((fail_rc = pcmcia_parse_tuple(handle, &tuple, &parse)) + if ((fail_rc = pcmcia_parse_tuple(link, &tuple, &parse)) != CS_SUCCESS) { fail_fn = ParseTuple; goto cs_failed; } - if ((fail_rc = pcmcia_get_configuration_info(handle, &conf)) - != CS_SUCCESS) { - fail_fn = GetConfigurationInfo; - goto cs_failed; - } - link->state |= DEV_CONFIG; link->conf.ConfigBase = parse.config.base; link->conf.Present = parse.config.rmask[0]; - link->conf.Vcc = conf.Vcc; link->io.BasePort2 = 0; link->io.NumPorts2 = 0; link->io.Attributes2 = 0; tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; - for (rc = pcmcia_get_first_tuple(handle, &tuple); + for (rc = pcmcia_get_first_tuple(link, &tuple); rc == CS_SUCCESS; - rc = pcmcia_get_next_tuple(handle, &tuple)) { - rc = pcmcia_get_tuple_data(handle, &tuple); + rc = pcmcia_get_next_tuple(link, &tuple)) { + rc = pcmcia_get_tuple_data(link, &tuple); if (rc != CS_SUCCESS) continue; - rc = pcmcia_parse_tuple(handle, &tuple, &parse); + rc = pcmcia_parse_tuple(link, &tuple, &parse); if (rc != CS_SUCCESS) continue; @@ -585,13 +574,13 @@ static void reader_config(dev_link_t *link, int devno) link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; link->io.IOAddrLines = parse.cftable_entry.io.flags & CISTPL_IO_LINES_MASK; - rc = pcmcia_request_io(handle, &link->io); + rc = pcmcia_request_io(link, &link->io); - dev_printk(KERN_INFO, &handle_to_dev(handle), "foo"); + dev_printk(KERN_INFO, &handle_to_dev(link), "foo"); if (rc == CS_SUCCESS) break; else - dev_printk(KERN_INFO, &handle_to_dev(handle), + dev_printk(KERN_INFO, &handle_to_dev(link), "pcmcia_request_io failed 0x%x\n", rc); } if (rc != CS_SUCCESS) @@ -599,10 +588,10 @@ static void reader_config(dev_link_t *link, int devno) link->conf.IntType = 00000002; - if ((fail_rc = pcmcia_request_configuration(handle,&link->conf)) + if ((fail_rc = pcmcia_request_configuration(link,&link->conf)) !=CS_SUCCESS) { fail_fn = RequestConfiguration; - dev_printk(KERN_INFO, &handle_to_dev(handle), + dev_printk(KERN_INFO, &handle_to_dev(link), "pcmcia_request_configuration failed 0x%x\n", fail_rc); goto cs_release; @@ -612,57 +601,31 @@ static void reader_config(dev_link_t *link, int devno) sprintf(dev->node.dev_name, DEVICE_NAME "%d", devno); dev->node.major = major; dev->node.minor = devno; - dev->node.next = NULL; - link->dev = &dev->node; - link->state &= ~DEV_CONFIG_PENDING; + dev->node.next = &dev->node; DEBUGP(2, dev, "device " DEVICE_NAME "%d at 0x%.4x-0x%.4x\n", devno, link->io.BasePort1, link->io.BasePort1+link->io.NumPorts1); DEBUGP(2, dev, "<- reader_config (succ)\n"); - return; + return 0; cs_failed: - cs_error(handle, fail_fn, fail_rc); + cs_error(link, fail_fn, fail_rc); cs_release: reader_release(link); - link->state &= ~DEV_CONFIG_PENDING; -} - -static int reader_suspend(struct pcmcia_device *p_dev) -{ - dev_link_t *link = dev_to_instance(p_dev); - - link->state |= DEV_SUSPEND; - if (link->state & DEV_CONFIG) - pcmcia_release_configuration(link->handle); - - return 0; + return -ENODEV; } -static int reader_resume(struct pcmcia_device *p_dev) -{ - dev_link_t *link = dev_to_instance(p_dev); - - link->state &= ~DEV_SUSPEND; - if (link->state & DEV_CONFIG) - pcmcia_request_configuration(link->handle, &link->conf); - - return 0; -} - -static void reader_release(dev_link_t *link) +static void reader_release(struct pcmcia_device *link) { cm4040_reader_release(link->priv); - pcmcia_release_configuration(link->handle); - pcmcia_release_io(link->handle, &link->io); + pcmcia_disable_device(link); } -static int reader_attach(struct pcmcia_device *p_dev) +static int reader_probe(struct pcmcia_device *link) { struct reader_dev *dev; - dev_link_t *link; - int i; + int i, ret; for (i = 0; i < CM_MAX_DEV; i++) { if (dev_table[i] == NULL) @@ -679,8 +642,8 @@ static int reader_attach(struct pcmcia_device *p_dev) dev->timeout = CCID_DRIVER_MINIMUM_TIMEOUT; dev->buffer_status = 0; - link = &dev->link; link->priv = dev; + dev->p_dev = link; link->conf.IntType = INT_MEMORY_AND_IO; dev_table[i] = link; @@ -692,11 +655,9 @@ static int reader_attach(struct pcmcia_device *p_dev) init_timer(&dev->poll_timer); dev->poll_timer.function = &cm4040_do_poll; - link->handle = p_dev; - p_dev->instance = link; - - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - reader_config(link, i); + ret = reader_config(link, i); + if (ret) + return ret; class_device_create(cmx_class, NULL, MKDEV(major, i), NULL, "cmx%d", i); @@ -704,9 +665,8 @@ static int reader_attach(struct pcmcia_device *p_dev) return 0; } -static void reader_detach(struct pcmcia_device *p_dev) +static void reader_detach(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); struct reader_dev *dev = link->priv; int devno; @@ -718,10 +678,7 @@ static void reader_detach(struct pcmcia_device *p_dev) if (devno == CM_MAX_DEV) return; - link->state &= ~DEV_PRESENT; - - if (link->state & DEV_CONFIG) - reader_release(link); + reader_release(link); dev_table[devno] = NULL; kfree(dev); @@ -753,10 +710,8 @@ static struct pcmcia_driver reader_driver = { .drv = { .name = "cm4040_cs", }, - .probe = reader_attach, + .probe = reader_probe, .remove = reader_detach, - .suspend = reader_suspend, - .resume = reader_resume, .id_table = cm4040_ids, }; diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c index e6b714b6390..07213454c45 100644 --- a/drivers/char/pcmcia/synclink_cs.c +++ b/drivers/char/pcmcia/synclink_cs.c @@ -228,7 +228,7 @@ typedef struct _mgslpc_info { struct _input_signal_events input_signal_events; /* PCMCIA support */ - dev_link_t link; + struct pcmcia_device *p_dev; dev_node_t node; int stop; @@ -484,7 +484,7 @@ static void mgslpc_wait_until_sent(struct tty_struct *tty, int timeout); /* PCMCIA prototypes */ -static void mgslpc_config(dev_link_t *link); +static int mgslpc_config(struct pcmcia_device *link); static void mgslpc_release(u_long arg); static void mgslpc_detach(struct pcmcia_device *p_dev); @@ -533,14 +533,14 @@ static void ldisc_receive_buf(struct tty_struct *tty, } } -static int mgslpc_attach(struct pcmcia_device *p_dev) +static int mgslpc_probe(struct pcmcia_device *link) { MGSLPC_INFO *info; - dev_link_t *link; - + int ret; + if (debug_level >= DEBUG_LEVEL_INFO) printk("mgslpc_attach\n"); - + info = (MGSLPC_INFO *)kmalloc(sizeof(MGSLPC_INFO), GFP_KERNEL); if (!info) { printk("Error can't allocate device instance data\n"); @@ -565,25 +565,22 @@ static int mgslpc_attach(struct pcmcia_device *p_dev) info->imrb_value = 0xffff; info->pim_value = 0xff; - link = &info->link; + info->p_dev = link; link->priv = info; - - /* Initialize the dev_link_t structure */ + + /* Initialize the struct pcmcia_device structure */ /* Interrupt setup */ link->irq.Attributes = IRQ_TYPE_EXCLUSIVE; link->irq.IRQInfo1 = IRQ_LEVEL_ID; link->irq.Handler = NULL; - + link->conf.Attributes = 0; - link->conf.Vcc = 50; link->conf.IntType = INT_MEMORY_AND_IO; - link->handle = p_dev; - p_dev->instance = link; - - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - mgslpc_config(link); + ret = mgslpc_config(link); + if (ret) + return ret; mgslpc_add_device(info); @@ -596,15 +593,13 @@ static int mgslpc_attach(struct pcmcia_device *p_dev) #define CS_CHECK(fn, ret) \ do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) -static void mgslpc_config(dev_link_t *link) +static int mgslpc_config(struct pcmcia_device *link) { - client_handle_t handle = link->handle; MGSLPC_INFO *info = link->priv; tuple_t tuple; cisparse_t parse; int last_fn, last_ret; u_char buf[64]; - config_info_t conf; cistpl_cftable_entry_t dflt = { 0 }; cistpl_cftable_entry_t *cfg; @@ -617,27 +612,20 @@ static void mgslpc_config(dev_link_t *link) tuple.TupleData = buf; tuple.TupleDataMax = sizeof(buf); tuple.TupleOffset = 0; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse)); + CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); + CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); + CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); link->conf.ConfigBase = parse.config.base; link->conf.Present = parse.config.rmask[0]; - - /* Configure card */ - link->state |= DEV_CONFIG; - - /* Look up the current Vcc */ - CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(handle, &conf)); - link->conf.Vcc = conf.Vcc; /* get CIS configuration entry */ tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; - CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); + CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); cfg = &(parse.cftable_entry); - CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); - CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse)); + CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); + CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); if (cfg->flags & CISTPL_CFTABLE_DEFAULT) dflt = *cfg; if (cfg->index == 0) @@ -658,11 +646,10 @@ static void mgslpc_config(dev_link_t *link) link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK; link->io.BasePort1 = io->win[0].base; link->io.NumPorts1 = io->win[0].len; - CS_CHECK(RequestIO, pcmcia_request_io(link->handle, &link->io)); + CS_CHECK(RequestIO, pcmcia_request_io(link, &link->io)); } link->conf.Attributes = CONF_ENABLE_IRQ; - link->conf.Vcc = 50; link->conf.IntType = INT_MEMORY_AND_IO; link->conf.ConfigIndex = 8; link->conf.Present = PRESENT_OPTION; @@ -670,9 +657,9 @@ static void mgslpc_config(dev_link_t *link) link->irq.Attributes |= IRQ_HANDLE_PRESENT; link->irq.Handler = mgslpc_isr; link->irq.Instance = info; - CS_CHECK(RequestIRQ, pcmcia_request_irq(link->handle, &link->irq)); + CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); - CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link->handle, &link->conf)); + CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf)); info->io_base = link->io.BasePort1; info->irq_level = link->irq.AssignedIRQ; @@ -680,7 +667,7 @@ static void mgslpc_config(dev_link_t *link) /* add to linked list of devices */ sprintf(info->node.dev_name, "mgslpc0"); info->node.major = info->node.minor = 0; - link->dev = &info->node; + link->dev_node = &info->node; printk(KERN_INFO "%s: index 0x%02x:", info->node.dev_name, link->conf.ConfigIndex); @@ -690,13 +677,12 @@ static void mgslpc_config(dev_link_t *link) printk(", io 0x%04x-0x%04x", link->io.BasePort1, link->io.BasePort1+link->io.NumPorts1-1); printk("\n"); - - link->state &= ~DEV_CONFIG_PENDING; - return; + return 0; cs_failed: - cs_error(link->handle, last_fn, last_ret); + cs_error(link, last_fn, last_ret); mgslpc_release((u_long)link); + return -ENODEV; } /* Card has been removed. @@ -705,58 +691,38 @@ cs_failed: */ static void mgslpc_release(u_long arg) { - dev_link_t *link = (dev_link_t *)arg; + struct pcmcia_device *link = (struct pcmcia_device *)arg; - if (debug_level >= DEBUG_LEVEL_INFO) - printk("mgslpc_release(0x%p)\n", link); - - /* Unlink the device chain */ - link->dev = NULL; - link->state &= ~DEV_CONFIG; + if (debug_level >= DEBUG_LEVEL_INFO) + printk("mgslpc_release(0x%p)\n", link); - pcmcia_release_configuration(link->handle); - if (link->io.NumPorts1) - pcmcia_release_io(link->handle, &link->io); - if (link->irq.AssignedIRQ) - pcmcia_release_irq(link->handle, &link->irq); + pcmcia_disable_device(link); } -static void mgslpc_detach(struct pcmcia_device *p_dev) +static void mgslpc_detach(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(p_dev); - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("mgslpc_detach(0x%p)\n", link); + if (debug_level >= DEBUG_LEVEL_INFO) + printk("mgslpc_detach(0x%p)\n", link); - if (link->state & DEV_CONFIG) { - ((MGSLPC_INFO *)link->priv)->stop = 1; - mgslpc_release((u_long)link); - } + ((MGSLPC_INFO *)link->priv)->stop = 1; + mgslpc_release((u_long)link); - mgslpc_remove_device((MGSLPC_INFO *)link->priv); + mgslpc_remove_device((MGSLPC_INFO *)link->priv); } -static int mgslpc_suspend(struct pcmcia_device *dev) +static int mgslpc_suspend(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(dev); MGSLPC_INFO *info = link->priv; - link->state |= DEV_SUSPEND; info->stop = 1; - if (link->state & DEV_CONFIG) - pcmcia_release_configuration(link->handle); return 0; } -static int mgslpc_resume(struct pcmcia_device *dev) +static int mgslpc_resume(struct pcmcia_device *link) { - dev_link_t *link = dev_to_instance(dev); MGSLPC_INFO *info = link->priv; - link->state &= ~DEV_SUSPEND; - if (link->state & DEV_CONFIG) - pcmcia_request_configuration(link->handle, &link->conf); info->stop = 0; return 0; @@ -1280,7 +1246,7 @@ static irqreturn_t mgslpc_isr(int irq, void *dev_id, struct pt_regs * regs) if (!info) return IRQ_NONE; - if (!(info->link.state & DEV_CONFIG)) + if (!(info->p_dev->_locked)) return IRQ_HANDLED; spin_lock(&info->lock); @@ -3033,7 +2999,7 @@ static struct pcmcia_driver mgslpc_driver = { .drv = { .name = "synclink_cs", }, - .probe = mgslpc_attach, + .probe = mgslpc_probe, .remove = mgslpc_detach, .id_table = mgslpc_ids, .suspend = mgslpc_suspend, diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c index 3f5d6077f39..a9c5a7230f8 100644 --- a/drivers/char/stallion.c +++ b/drivers/char/stallion.c @@ -504,7 +504,6 @@ static int stl_echmcaintr(stlbrd_t *brdp); static int stl_echpciintr(stlbrd_t *brdp); static int stl_echpci64intr(stlbrd_t *brdp); static void stl_offintr(void *private); -static void *stl_memalloc(int len); static stlbrd_t *stl_allocbrd(void); static stlport_t *stl_getport(int brdnr, int panelnr, int portnr); @@ -940,17 +939,6 @@ static int stl_parsebrd(stlconf_t *confp, char **argp) /*****************************************************************************/ /* - * Local driver kernel memory allocation routine. - */ - -static void *stl_memalloc(int len) -{ - return (void *) kmalloc(len, GFP_KERNEL); -} - -/*****************************************************************************/ - -/* * Allocate a new board structure. Fill out the basic info in it. */ @@ -958,14 +946,13 @@ static stlbrd_t *stl_allocbrd(void) { stlbrd_t *brdp; - brdp = (stlbrd_t *) stl_memalloc(sizeof(stlbrd_t)); - if (brdp == (stlbrd_t *) NULL) { + brdp = kzalloc(sizeof(stlbrd_t), GFP_KERNEL); + if (!brdp) { printk("STALLION: failed to allocate memory (size=%d)\n", sizeof(stlbrd_t)); - return (stlbrd_t *) NULL; + return NULL; } - memset(brdp, 0, sizeof(stlbrd_t)); brdp->magic = STL_BOARDMAGIC; return brdp; } @@ -1017,9 +1004,9 @@ static int stl_open(struct tty_struct *tty, struct file *filp) portp->refcount++; if ((portp->flags & ASYNC_INITIALIZED) == 0) { - if (portp->tx.buf == (char *) NULL) { - portp->tx.buf = (char *) stl_memalloc(STL_TXBUFSIZE); - if (portp->tx.buf == (char *) NULL) + if (!portp->tx.buf) { + portp->tx.buf = kmalloc(STL_TXBUFSIZE, GFP_KERNEL); + if (!portp->tx.buf) return -ENOMEM; portp->tx.head = portp->tx.buf; portp->tx.tail = portp->tx.buf; @@ -2178,13 +2165,12 @@ static int __init stl_initports(stlbrd_t *brdp, stlpanel_t *panelp) * each ports data structures. */ for (i = 0; (i < panelp->nrports); i++) { - portp = (stlport_t *) stl_memalloc(sizeof(stlport_t)); - if (portp == (stlport_t *) NULL) { + portp = kzalloc(sizeof(stlport_t), GFP_KERNEL); + if (!portp) { printk("STALLION: failed to allocate memory " "(size=%d)\n", sizeof(stlport_t)); break; } - memset(portp, 0, sizeof(stlport_t)); portp->magic = STL_PORTMAGIC; portp->portnr = i; @@ -2315,13 +2301,12 @@ static inline int stl_initeio(stlbrd_t *brdp) * can complete the setup. */ - panelp = (stlpanel_t *) stl_memalloc(sizeof(stlpanel_t)); - if (panelp == (stlpanel_t *) NULL) { + panelp = kzalloc(sizeof(stlpanel_t), GFP_KERNEL); + if (!panelp) { printk(KERN_WARNING "STALLION: failed to allocate memory " "(size=%d)\n", sizeof(stlpanel_t)); - return(-ENOMEM); + return -ENOMEM; } - memset(panelp, 0, sizeof(stlpanel_t)); panelp->magic = STL_PANELMAGIC; panelp->brdnr = brdp->brdnr; @@ -2490,13 +2475,12 @@ static inline int stl_initech(stlbrd_t *brdp) status = inb(ioaddr + ECH_PNLSTATUS); if ((status & ECH_PNLIDMASK) != nxtid) break; - panelp = (stlpanel_t *) stl_memalloc(sizeof(stlpanel_t)); - if (panelp == (stlpanel_t *) NULL) { + panelp = kzalloc(sizeof(stlpanel_t), GFP_KERNEL); + if (!panelp) { printk("STALLION: failed to allocate memory " "(size=%d)\n", sizeof(stlpanel_t)); break; } - memset(panelp, 0, sizeof(stlpanel_t)); panelp->magic = STL_PANELMAGIC; panelp->brdnr = brdp->brdnr; panelp->panelnr = panelnr; @@ -3074,8 +3058,8 @@ static int __init stl_init(void) /* * Allocate a temporary write buffer. */ - stl_tmpwritebuf = (char *) stl_memalloc(STL_TXBUFSIZE); - if (stl_tmpwritebuf == (char *) NULL) + stl_tmpwritebuf = kmalloc(STL_TXBUFSIZE, GFP_KERNEL); + if (!stl_tmpwritebuf) printk("STALLION: failed to allocate memory (size=%d)\n", STL_TXBUFSIZE); diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index 0bfd1b63662..98b126c2ded 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -376,7 +376,7 @@ int tty_insert_flip_string(struct tty_struct *tty, const unsigned char *chars, s return copied; } -EXPORT_SYMBOL_GPL(tty_insert_flip_string); +EXPORT_SYMBOL(tty_insert_flip_string); int tty_insert_flip_string_flags(struct tty_struct *tty, const unsigned char *chars, const char *flags, size_t size) { diff --git a/drivers/char/vt.c b/drivers/char/vt.c index ca4844c527d..acc5d47844e 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -2328,6 +2328,10 @@ int tioclinux(struct tty_struct *tty, unsigned long arg) case TIOCL_SETVESABLANK: set_vesa_blanking(p); break; + case TIOCL_GETKMSGREDIRECT: + data = kmsg_redirect; + ret = __put_user(data, p); + break; case TIOCL_SETKMSGREDIRECT: if (!capable(CAP_SYS_ADMIN)) { ret = -EPERM; diff --git a/drivers/char/watchdog/Kconfig b/drivers/char/watchdog/Kconfig index 16e99db2e12..d53f664a4dd 100644 --- a/drivers/char/watchdog/Kconfig +++ b/drivers/char/watchdog/Kconfig @@ -60,6 +60,13 @@ config SOFT_WATCHDOG # ARM Architecture +config AT91_WATCHDOG + tristate "AT91RM9200 watchdog" + depends on WATCHDOG && ARCH_AT91RM9200 + help + Watchdog timer embedded into AT91RM9200 chips. This will reboot your + system when the timeout is reached. + config 21285_WATCHDOG tristate "DC21285 watchdog" depends on WATCHDOG && FOOTBRIDGE diff --git a/drivers/char/watchdog/Makefile b/drivers/char/watchdog/Makefile index d6f27fde990..6ab77b61a64 100644 --- a/drivers/char/watchdog/Makefile +++ b/drivers/char/watchdog/Makefile @@ -23,6 +23,7 @@ obj-$(CONFIG_WDTPCI) += wdt_pci.o obj-$(CONFIG_USBPCWATCHDOG) += pcwd_usb.o # ARM Architecture +obj-$(CONFIG_AT91_WATCHDOG) += at91_wdt.o obj-$(CONFIG_21285_WATCHDOG) += wdt285.o obj-$(CONFIG_977_WATCHDOG) += wdt977.o obj-$(CONFIG_IXP2000_WATCHDOG) += ixp2000_wdt.o diff --git a/drivers/char/watchdog/at91_wdt.c b/drivers/char/watchdog/at91_wdt.c new file mode 100644 index 00000000000..ac83bc4b019 --- /dev/null +++ b/drivers/char/watchdog/at91_wdt.c @@ -0,0 +1,228 @@ +/* + * Watchdog driver for Atmel AT91RM9200 (Thunder) + * + * Copyright (C) 2003 SAN People (Pty) Ltd + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <linux/config.h> +#include <linux/errno.h> +#include <linux/fs.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/miscdevice.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/types.h> +#include <linux/watchdog.h> +#include <asm/bitops.h> +#include <asm/uaccess.h> + + +#define WDT_DEFAULT_TIME 5 /* 5 seconds */ +#define WDT_MAX_TIME 256 /* 256 seconds */ + +static int wdt_time = WDT_DEFAULT_TIME; +static int nowayout = WATCHDOG_NOWAYOUT; + +module_param(wdt_time, int, 0); +MODULE_PARM_DESC(wdt_time, "Watchdog time in seconds. (default="__MODULE_STRING(WDT_DEFAULT_TIME) ")"); + +module_param(nowayout, int, 0); +MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); + + +static unsigned long at91wdt_busy; + +/* ......................................................................... */ + +/* + * Disable the watchdog. + */ +static void inline at91_wdt_stop(void) +{ + at91_sys_write(AT91_ST_WDMR, AT91_ST_EXTEN); +} + +/* + * Enable and reset the watchdog. + */ +static void inline at91_wdt_start(void) +{ + at91_sys_write(AT91_ST_WDMR, AT91_ST_EXTEN | AT91_ST_RSTEN | (((65536 * wdt_time) >> 8) & AT91_ST_WDV)); + at91_sys_write(AT91_ST_CR, AT91_ST_WDRST); +} + +/* + * Reload the watchdog timer. (ie, pat the watchdog) + */ +static void inline at91_wdt_reload(void) +{ + at91_sys_write(AT91_ST_CR, AT91_ST_WDRST); +} + +/* ......................................................................... */ + +/* + * Watchdog device is opened, and watchdog starts running. + */ +static int at91_wdt_open(struct inode *inode, struct file *file) +{ + if (test_and_set_bit(0, &at91wdt_busy)) + return -EBUSY; + + at91_wdt_start(); + return nonseekable_open(inode, file); +} + +/* + * Close the watchdog device. + * If CONFIG_WATCHDOG_NOWAYOUT is NOT defined then the watchdog is also + * disabled. + */ +static int at91_wdt_close(struct inode *inode, struct file *file) +{ + if (!nowayout) + at91_wdt_stop(); /* Disable the watchdog when file is closed */ + + clear_bit(0, &at91wdt_busy); + return 0; +} + +/* + * Change the watchdog time interval. + */ +static int at91_wdt_settimeout(int new_time) +{ + /* + * All counting occurs at SLOW_CLOCK / 128 = 0.256 Hz + * + * Since WDV is a 16-bit counter, the maximum period is + * 65536 / 0.256 = 256 seconds. + */ + if ((new_time <= 0) || (new_time > WDT_MAX_TIME)) + return -EINVAL; + + /* Set new watchdog time. It will be used when at91_wdt_start() is called. */ + wdt_time = new_time; + return 0; +} + +static struct watchdog_info at91_wdt_info = { + .identity = "at91 watchdog", + .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING, +}; + +/* + * Handle commands from user-space. + */ +static int at91_wdt_ioctl(struct inode *inode, struct file *file, + unsigned int cmd, unsigned long arg) +{ + void __user *argp = (void __user *)arg; + int __user *p = argp; + int new_value; + + switch(cmd) { + case WDIOC_KEEPALIVE: + at91_wdt_reload(); /* pat the watchdog */ + return 0; + + case WDIOC_GETSUPPORT: + return copy_to_user(argp, &at91_wdt_info, sizeof(at91_wdt_info)) ? -EFAULT : 0; + + case WDIOC_SETTIMEOUT: + if (get_user(new_value, p)) + return -EFAULT; + + if (at91_wdt_settimeout(new_value)) + return -EINVAL; + + /* Enable new time value */ + at91_wdt_start(); + + /* Return current value */ + return put_user(wdt_time, p); + + case WDIOC_GETTIMEOUT: + return put_user(wdt_time, p); + + case WDIOC_GETSTATUS: + case WDIOC_GETBOOTSTATUS: + return put_user(0, p); + + case WDIOC_SETOPTIONS: + if (get_user(new_value, p)) + return -EFAULT; + + if (new_value & WDIOS_DISABLECARD) + at91_wdt_stop(); + if (new_value & WDIOS_ENABLECARD) + at91_wdt_start(); + return 0; + + default: + return -ENOIOCTLCMD; + } +} + +/* + * Pat the watchdog whenever device is written to. + */ +static ssize_t at91_wdt_write(struct file *file, const char *data, size_t len, loff_t *ppos) +{ + at91_wdt_reload(); /* pat the watchdog */ + return len; +} + +/* ......................................................................... */ + +static struct file_operations at91wdt_fops = { + .owner = THIS_MODULE, + .llseek = no_llseek, + .ioctl = at91_wdt_ioctl, + .open = at91_wdt_open, + .release = at91_wdt_close, + .write = at91_wdt_write, +}; + +static struct miscdevice at91wdt_miscdev = { + .minor = WATCHDOG_MINOR, + .name = "watchdog", + .fops = &at91wdt_fops, +}; + +static int __init at91_wdt_init(void) +{ + int res; + + /* Check that the heartbeat value is within range; if not reset to the default */ + if (at91_wdt_settimeout(wdt_time)) { + at91_wdt_settimeout(WDT_DEFAULT_TIME); + printk(KERN_INFO "at91_wdt: wdt_time value must be 1 <= wdt_time <= 256, using %d\n", wdt_time); + } + + res = misc_register(&at91wdt_miscdev); + if (res) + return res; + + printk("AT91 Watchdog Timer enabled (%d seconds, nowayout=%d)\n", wdt_time, nowayout); + return 0; +} + +static void __exit at91_wdt_exit(void) +{ + misc_deregister(&at91wdt_miscdev); +} + +module_init(at91_wdt_init); +module_exit(at91_wdt_exit); + +MODULE_AUTHOR("Andrew Victor"); +MODULE_DESCRIPTION("Watchdog driver for Atmel AT91RM9200"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); diff --git a/drivers/char/watchdog/pcwd.c b/drivers/char/watchdog/pcwd.c index 8d6b249ad66..6d44ca68312 100644 --- a/drivers/char/watchdog/pcwd.c +++ b/drivers/char/watchdog/pcwd.c @@ -66,15 +66,13 @@ #include <linux/fs.h> /* For file operations */ #include <linux/ioport.h> /* For io-port access */ #include <linux/spinlock.h> /* For spin_lock/spin_unlock/... */ -#include <linux/sched.h> /* TASK_INTERRUPTIBLE, set_current_state() and friends */ -#include <linux/slab.h> /* For kmalloc */ #include <asm/uaccess.h> /* For copy_to_user/put_user/... */ #include <asm/io.h> /* For inb/outb/... */ /* Module and version information */ -#define WATCHDOG_VERSION "1.16" -#define WATCHDOG_DATE "03 Jan 2006" +#define WATCHDOG_VERSION "1.17" +#define WATCHDOG_DATE "12 Feb 2006" #define WATCHDOG_DRIVER_NAME "ISA-PC Watchdog" #define WATCHDOG_NAME "pcwd" #define PFX WATCHDOG_NAME ": " @@ -96,15 +94,19 @@ * PCI-PC Watchdog card. */ /* Port 1 : Control Status #1 for the PC Watchdog card, revision A. */ -#define WD_WDRST 0x01 /* Previously reset state */ -#define WD_T110 0x02 /* Temperature overheat sense */ -#define WD_HRTBT 0x04 /* Heartbeat sense */ -#define WD_RLY2 0x08 /* External relay triggered */ -#define WD_SRLY2 0x80 /* Software external relay triggered */ +#define WD_WDRST 0x01 /* Previously reset state */ +#define WD_T110 0x02 /* Temperature overheat sense */ +#define WD_HRTBT 0x04 /* Heartbeat sense */ +#define WD_RLY2 0x08 /* External relay triggered */ +#define WD_SRLY2 0x80 /* Software external relay triggered */ /* Port 1 : Control Status #1 for the PC Watchdog card, revision C. */ -#define WD_REVC_WTRP 0x01 /* Watchdog Trip status */ -#define WD_REVC_HRBT 0x02 /* Watchdog Heartbeat */ -#define WD_REVC_TTRP 0x04 /* Temperature Trip status */ +#define WD_REVC_WTRP 0x01 /* Watchdog Trip status */ +#define WD_REVC_HRBT 0x02 /* Watchdog Heartbeat */ +#define WD_REVC_TTRP 0x04 /* Temperature Trip status */ +#define WD_REVC_RL2A 0x08 /* Relay 2 activated by on-board processor */ +#define WD_REVC_RL1A 0x10 /* Relay 1 active */ +#define WD_REVC_R2DS 0x40 /* Relay 2 disable */ +#define WD_REVC_RLY2 0x80 /* Relay 2 activated? */ /* Port 2 : Control Status #2 */ #define WD_WDIS 0x10 /* Watchdog Disabled */ #define WD_ENTP 0x20 /* Watchdog Enable Temperature Trip */ @@ -122,9 +124,14 @@ #define CMD_ISA_VERSION_HUNDRETH 0x03 #define CMD_ISA_VERSION_MINOR 0x04 #define CMD_ISA_SWITCH_SETTINGS 0x05 +#define CMD_ISA_RESET_PC 0x06 +#define CMD_ISA_ARM_0 0x07 +#define CMD_ISA_ARM_30 0x08 +#define CMD_ISA_ARM_60 0x09 #define CMD_ISA_DELAY_TIME_2SECS 0x0A #define CMD_ISA_DELAY_TIME_4SECS 0x0B #define CMD_ISA_DELAY_TIME_8SECS 0x0C +#define CMD_ISA_RESET_RELAYS 0x0D /* * We are using an kernel timer to do the pinging of the watchdog @@ -142,6 +149,7 @@ static atomic_t open_allowed = ATOMIC_INIT(1); static char expect_close; static int temp_panic; static struct { /* this is private data for each ISA-PC watchdog card */ + char fw_ver_str[6]; /* The cards firmware version */ int revision; /* The card's revision */ int supports_temp; /* Wether or not the card has a temperature device */ int command_mode; /* Wether or not the card is in command mode */ @@ -153,6 +161,13 @@ static struct { /* this is private data for each ISA-PC watchdog card */ } pcwd_private; /* module parameters */ +#define QUIET 0 /* Default */ +#define VERBOSE 1 /* Verbose */ +#define DEBUG 2 /* print fancy stuff too */ +static int debug = QUIET; +module_param(debug, int, 0); +MODULE_PARM_DESC(debug, "Debug level: 0=Quiet, 1=Verbose, 2=Debug (default=0)"); + #define WATCHDOG_HEARTBEAT 60 /* 60 sec default heartbeat */ static int heartbeat = WATCHDOG_HEARTBEAT; module_param(heartbeat, int, 0); @@ -172,6 +187,10 @@ static int send_isa_command(int cmd) int control_status; int port0, last_port0; /* Double read for stabilising */ + if (debug >= DEBUG) + printk(KERN_DEBUG PFX "sending following data cmd=0x%02x\n", + cmd); + /* The WCMD bit must be 1 and the command is only 4 bits in size */ control_status = (cmd & 0x0F) | WD_WCMD; outb_p(control_status, pcwd_private.io_addr + 2); @@ -188,6 +207,10 @@ static int send_isa_command(int cmd) udelay (250); } + if (debug >= DEBUG) + printk(KERN_DEBUG PFX "received following data for cmd=0x%02x: port0=0x%02x last_port0=0x%02x\n", + cmd, port0, last_port0); + return port0; } @@ -214,6 +237,10 @@ static int set_command_mode(void) spin_unlock(&pcwd_private.io_lock); pcwd_private.command_mode = found; + if (debug >= DEBUG) + printk(KERN_DEBUG PFX "command_mode=%d\n", + pcwd_private.command_mode); + return(found); } @@ -226,6 +253,10 @@ static void unset_command_mode(void) spin_unlock(&pcwd_private.io_lock); pcwd_private.command_mode = 0; + + if (debug >= DEBUG) + printk(KERN_DEBUG PFX "command_mode=%d\n", + pcwd_private.command_mode); } static inline void pcwd_check_temperature_support(void) @@ -234,27 +265,22 @@ static inline void pcwd_check_temperature_support(void) pcwd_private.supports_temp = 1; } -static inline char *get_firmware(void) +static inline void pcwd_get_firmware(void) { int one, ten, hund, minor; - char *ret; - ret = kmalloc(6, GFP_KERNEL); - if(ret == NULL) - return NULL; + strcpy(pcwd_private.fw_ver_str, "ERROR"); if (set_command_mode()) { one = send_isa_command(CMD_ISA_VERSION_INTEGER); ten = send_isa_command(CMD_ISA_VERSION_TENTH); hund = send_isa_command(CMD_ISA_VERSION_HUNDRETH); minor = send_isa_command(CMD_ISA_VERSION_MINOR); - sprintf(ret, "%c.%c%c%c", one, ten, hund, minor); + sprintf(pcwd_private.fw_ver_str, "%c.%c%c%c", one, ten, hund, minor); } - else - sprintf(ret, "ERROR"); - unset_command_mode(); - return(ret); + + return; } static inline int pcwd_get_option_switches(void) @@ -272,17 +298,15 @@ static inline int pcwd_get_option_switches(void) static void pcwd_show_card_info(void) { - char *firmware; int option_switches; /* Get some extra info from the hardware (in command/debug/diag mode) */ if (pcwd_private.revision == PCWD_REVISION_A) printk(KERN_INFO PFX "ISA-PC Watchdog (REV.A) detected at port 0x%04x\n", pcwd_private.io_addr); else if (pcwd_private.revision == PCWD_REVISION_C) { - firmware = get_firmware(); + pcwd_get_firmware(); printk(KERN_INFO PFX "ISA-PC Watchdog (REV.C) detected at port 0x%04x (Firmware version: %s)\n", - pcwd_private.io_addr, firmware); - kfree(firmware); + pcwd_private.io_addr, pcwd_private.fw_ver_str); option_switches = pcwd_get_option_switches(); printk(KERN_INFO PFX "Option switches (0x%02x): Temperature Reset Enable=%s, Power On Delay=%s\n", option_switches, @@ -362,6 +386,10 @@ static int pcwd_start(void) return -EIO; } } + + if (debug >= VERBOSE) + printk(KERN_DEBUG PFX "Watchdog started\n"); + return 0; } @@ -386,6 +414,10 @@ static int pcwd_stop(void) return -EIO; } } + + if (debug >= VERBOSE) + printk(KERN_DEBUG PFX "Watchdog stopped\n"); + return 0; } @@ -393,6 +425,10 @@ static int pcwd_keepalive(void) { /* user land ping */ pcwd_private.next_heartbeat = jiffies + (heartbeat * HZ); + + if (debug >= DEBUG) + printk(KERN_DEBUG PFX "Watchdog keepalive signal send\n"); + return 0; } @@ -402,12 +438,17 @@ static int pcwd_set_heartbeat(int t) return -EINVAL; heartbeat = t; + + if (debug >= VERBOSE) + printk(KERN_DEBUG PFX "New heartbeat: %d\n", + heartbeat); + return 0; } static int pcwd_get_status(int *status) { - int card_status; + int control_status; *status=0; spin_lock(&pcwd_private.io_lock); @@ -415,37 +456,39 @@ static int pcwd_get_status(int *status) /* Rev A cards return status information from * the base register, which is used for the * temperature in other cards. */ - card_status = inb(pcwd_private.io_addr); + control_status = inb(pcwd_private.io_addr); else { /* Rev C cards return card status in the base * address + 1 register. And use different bits * to indicate a card initiated reset, and an * over-temperature condition. And the reboot * status can be reset. */ - card_status = inb(pcwd_private.io_addr + 1); + control_status = inb(pcwd_private.io_addr + 1); } spin_unlock(&pcwd_private.io_lock); if (pcwd_private.revision == PCWD_REVISION_A) { - if (card_status & WD_WDRST) + if (control_status & WD_WDRST) *status |= WDIOF_CARDRESET; - if (card_status & WD_T110) { + if (control_status & WD_T110) { *status |= WDIOF_OVERHEAT; if (temp_panic) { printk (KERN_INFO PFX "Temperature overheat trip!\n"); kernel_power_off(); + /* or should we just do a: panic(PFX "Temperature overheat trip!\n"); */ } } } else { - if (card_status & WD_REVC_WTRP) + if (control_status & WD_REVC_WTRP) *status |= WDIOF_CARDRESET; - if (card_status & WD_REVC_TTRP) { + if (control_status & WD_REVC_TTRP) { *status |= WDIOF_OVERHEAT; if (temp_panic) { printk (KERN_INFO PFX "Temperature overheat trip!\n"); kernel_power_off(); + /* or should we just do a: panic(PFX "Temperature overheat trip!\n"); */ } } } @@ -455,9 +498,25 @@ static int pcwd_get_status(int *status) static int pcwd_clear_status(void) { + int control_status; + if (pcwd_private.revision == PCWD_REVISION_C) { spin_lock(&pcwd_private.io_lock); - outb_p(0x00, pcwd_private.io_addr + 1); /* clear reset status */ + + if (debug >= VERBOSE) + printk(KERN_INFO PFX "clearing watchdog trip status\n"); + + control_status = inb_p(pcwd_private.io_addr + 1); + + if (debug >= DEBUG) { + printk(KERN_DEBUG PFX "status was: 0x%02x\n", control_status); + printk(KERN_DEBUG PFX "sending: 0x%02x\n", + (control_status & WD_REVC_R2DS)); + } + + /* clear reset status & Keep Relay 2 disable state as it is */ + outb_p((control_status & WD_REVC_R2DS), pcwd_private.io_addr + 1); + spin_unlock(&pcwd_private.io_lock); } return 0; @@ -481,6 +540,11 @@ static int pcwd_get_temperature(int *temperature) *temperature = ((inb(pcwd_private.io_addr)) * 9 / 5) + 32; spin_unlock(&pcwd_private.io_lock); + if (debug >= DEBUG) { + printk(KERN_DEBUG PFX "temperature is: %d F\n", + *temperature); + } + return 0; } @@ -599,6 +663,8 @@ static ssize_t pcwd_write(struct file *file, const char __user *buf, size_t len, static int pcwd_open(struct inode *inode, struct file *file) { if (!atomic_dec_and_test(&open_allowed) ) { + if (debug >= VERBOSE) + printk(KERN_ERR PFX "Attempt to open already opened device.\n"); atomic_inc( &open_allowed ); return -EBUSY; } @@ -922,7 +988,8 @@ static void __exit pcwd_cleanup_module(void) { if (pcwd_private.io_addr) pcwatchdog_exit(); - return; + + printk(KERN_INFO PFX "Watchdog Module Unloaded.\n"); } module_init(pcwd_init_module); diff --git a/drivers/char/watchdog/pcwd_usb.c b/drivers/char/watchdog/pcwd_usb.c index 2700c5c45b8..3fdfda9324f 100644 --- a/drivers/char/watchdog/pcwd_usb.c +++ b/drivers/char/watchdog/pcwd_usb.c @@ -705,7 +705,8 @@ err_out_misc_deregister: err_out_unregister_reboot: unregister_reboot_notifier(&usb_pcwd_notifier); error: - usb_pcwd_delete (usb_pcwd); + if (usb_pcwd) + usb_pcwd_delete(usb_pcwd); usb_pcwd_device = NULL; return retval; } |