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-rw-r--r--drivers/char/Kconfig4
-rw-r--r--drivers/char/agp/backend.c7
-rw-r--r--drivers/char/applicom.c24
-rw-r--r--drivers/char/cyclades.c2
-rw-r--r--drivers/char/ftape/lowlevel/fdc-io.c6
-rw-r--r--drivers/char/hangcheck-timer.c3
-rw-r--r--drivers/char/hpet.c4
-rw-r--r--drivers/char/hw_random.c5
-rw-r--r--drivers/char/ip2/i2lib.c6
-rw-r--r--drivers/char/ip2main.c3
-rw-r--r--drivers/char/ipmi/ipmi_devintf.c5
-rw-r--r--drivers/char/ipmi/ipmi_si_intf.c18
-rw-r--r--drivers/char/ipmi/ipmi_watchdog.c6
-rw-r--r--drivers/char/istallion.c2
-rw-r--r--drivers/char/keyboard.c3
-rw-r--r--drivers/char/lcd.c7
-rw-r--r--drivers/char/lp.c3
-rw-r--r--drivers/char/mxser.c12
-rw-r--r--drivers/char/n_tty.c2
-rw-r--r--drivers/char/pcmcia/synclink_cs.c16
-rw-r--r--drivers/char/pty.c5
-rw-r--r--drivers/char/synclink.c29
-rw-r--r--drivers/char/synclinkmp.c41
-rw-r--r--drivers/char/tty_io.c87
-rw-r--r--drivers/char/vt.c37
-rw-r--r--drivers/char/watchdog/mixcomwd.c2
26 files changed, 198 insertions, 141 deletions
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 2bc9d64db10..c29365d5b52 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -80,7 +80,7 @@ config SERIAL_NONSTANDARD
config COMPUTONE
tristate "Computone IntelliPort Plus serial support"
- depends on SERIAL_NONSTANDARD && BROKEN_ON_SMP && (BROKEN || !SPARC32)
+ depends on SERIAL_NONSTANDARD && BROKEN_ON_SMP
---help---
This driver supports the entire family of Intelliport II/Plus
controllers with the exception of the MicroChannel controllers and
@@ -208,7 +208,7 @@ config SYNCLINK
config SYNCLINKMP
tristate "SyncLink Multiport support"
- depends on SERIAL_NONSTANDARD && (BROKEN || !SPARC32)
+ depends on SERIAL_NONSTANDARD
help
Enable support for the SyncLink Multiport (2 or 4 ports)
serial adapter, running asynchronous and HDLC communications up
diff --git a/drivers/char/agp/backend.c b/drivers/char/agp/backend.c
index 4d4e602fdc7..82b43c541c8 100644
--- a/drivers/char/agp/backend.c
+++ b/drivers/char/agp/backend.c
@@ -206,10 +206,9 @@ static void agp_backend_cleanup(struct agp_bridge_data *bridge)
bridge->driver->cleanup();
if (bridge->driver->free_gatt_table)
bridge->driver->free_gatt_table(bridge);
- if (bridge->key_list) {
- vfree(bridge->key_list);
- bridge->key_list = NULL;
- }
+
+ vfree(bridge->key_list);
+ bridge->key_list = NULL;
if (bridge->driver->agp_destroy_page &&
bridge->driver->needs_scratch_page)
diff --git a/drivers/char/applicom.c b/drivers/char/applicom.c
index 11f9ee58112..927a5bbe112 100644
--- a/drivers/char/applicom.c
+++ b/drivers/char/applicom.c
@@ -172,7 +172,7 @@ static int ac_register_board(unsigned long physloc, void __iomem *loc,
void cleanup_module(void)
{
- int i;
+ unsigned int i;
misc_deregister(&ac_miscdev);
@@ -195,7 +195,7 @@ int __init applicom_init(void)
int i, numisa = 0;
struct pci_dev *dev = NULL;
void __iomem *RamIO;
- int boardno;
+ int boardno, ret;
printk(KERN_INFO "Applicom driver: $Id: ac.c,v 1.30 2000/03/22 16:03:57 dwmw2 Exp $\n");
@@ -294,7 +294,8 @@ int __init applicom_init(void)
}
if (!numisa)
- printk(KERN_WARNING"ac.o: No valid ISA Applicom boards found at mem 0x%lx\n",mem);
+ printk(KERN_WARNING "ac.o: No valid ISA Applicom boards found "
+ "at mem 0x%lx\n", mem);
fin:
init_waitqueue_head(&FlagSleepRec);
@@ -304,7 +305,11 @@ int __init applicom_init(void)
DeviceErrorCount = 0;
if (numboards) {
- misc_register(&ac_miscdev);
+ ret = misc_register(&ac_miscdev);
+ if (ret) {
+ printk(KERN_WARNING "ac.o: Unable to register misc device\n");
+ goto out;
+ }
for (i = 0; i < MAX_BOARD; i++) {
int serial;
char boardname[(SERIAL_NUMBER - TYPE_CARD) + 1];
@@ -337,6 +342,17 @@ int __init applicom_init(void)
else
return -ENXIO;
+
+out:
+ for (i = 0; i < MAX_BOARD; i++) {
+ if (!apbs[i].RamIO)
+ continue;
+ if (apbs[i].irq)
+ free_irq(apbs[i].irq, &dummy);
+ iounmap(apbs[i].RamIO);
+ }
+ pci_disable_device(dev);
+ return ret;
}
diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index 6a5337bf093..cf4c3648463 100644
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -865,7 +865,7 @@ static void cyz_poll(unsigned long);
static long cyz_polling_cycle = CZ_DEF_POLL;
static int cyz_timeron = 0;
-static struct timer_list cyz_timerlist = TIMER_INITIALIZER(cyz_poll, 0, 0);
+static DEFINE_TIMER(cyz_timerlist, cyz_poll, 0, 0);
#else /* CONFIG_CYZ_INTR */
static void cyz_rx_restart(unsigned long);
diff --git a/drivers/char/ftape/lowlevel/fdc-io.c b/drivers/char/ftape/lowlevel/fdc-io.c
index 1704a2a5704..b2e0928e842 100644
--- a/drivers/char/ftape/lowlevel/fdc-io.c
+++ b/drivers/char/ftape/lowlevel/fdc-io.c
@@ -387,10 +387,8 @@ int fdc_interrupt_wait(unsigned int time)
set_current_state(TASK_INTERRUPTIBLE);
add_wait_queue(&ftape_wait_intr, &wait);
- while (!ft_interrupt_seen && timeout) {
- set_current_state(TASK_INTERRUPTIBLE);
- timeout = schedule_timeout(timeout);
- }
+ while (!ft_interrupt_seen && timeout)
+ timeout = schedule_timeout_interruptible(timeout);
spin_lock_irq(&current->sighand->siglock);
current->blocked = old_sigmask;
diff --git a/drivers/char/hangcheck-timer.c b/drivers/char/hangcheck-timer.c
index 81d811edf3c..a54bc93353a 100644
--- a/drivers/char/hangcheck-timer.c
+++ b/drivers/char/hangcheck-timer.c
@@ -149,8 +149,7 @@ static unsigned long long hangcheck_tsc, hangcheck_tsc_margin;
static void hangcheck_fire(unsigned long);
-static struct timer_list hangcheck_ticktock =
- TIMER_INITIALIZER(hangcheck_fire, 0, 0);
+static DEFINE_TIMER(hangcheck_ticktock, hangcheck_fire, 0, 0);
static void hangcheck_fire(unsigned long data)
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index 5fe8461271f..de0379b6d50 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -100,14 +100,14 @@ static struct hpets *hpets;
#endif
#ifndef readq
-static unsigned long long __inline readq(void __iomem *addr)
+static inline unsigned long long readq(void __iomem *addr)
{
return readl(addr) | (((unsigned long long)readl(addr + 4)) << 32LL);
}
#endif
#ifndef writeq
-static void __inline writeq(unsigned long long v, void __iomem *addr)
+static inline void writeq(unsigned long long v, void __iomem *addr)
{
writel(v & 0xffffffff, addr);
writel(v >> 32, addr + 4);
diff --git a/drivers/char/hw_random.c b/drivers/char/hw_random.c
index 3480535a09c..6f673d2de0b 100644
--- a/drivers/char/hw_random.c
+++ b/drivers/char/hw_random.c
@@ -513,10 +513,7 @@ static ssize_t rng_dev_read (struct file *filp, char __user *buf, size_t size,
return ret ? : -EAGAIN;
if(need_resched())
- {
- current->state = TASK_INTERRUPTIBLE;
- schedule_timeout(1);
- }
+ schedule_timeout_interruptible(1);
else
udelay(200); /* FIXME: We could poll for 250uS ?? */
diff --git a/drivers/char/ip2/i2lib.c b/drivers/char/ip2/i2lib.c
index 82c5f30375a..ba85eb1b6ec 100644
--- a/drivers/char/ip2/i2lib.c
+++ b/drivers/char/ip2/i2lib.c
@@ -655,8 +655,7 @@ i2QueueCommands(int type, i2ChanStrPtr pCh, int timeout, int nCommands,
timeout--; // So negative values == forever
if (!in_interrupt()) {
- current->state = TASK_INTERRUPTIBLE;
- schedule_timeout(1); // short nap
+ schedule_timeout_interruptible(1); // short nap
} else {
// we cannot sched/sleep in interrrupt silly
return 0;
@@ -1132,8 +1131,7 @@ i2Output(i2ChanStrPtr pCh, const char *pSource, int count, int user )
ip2trace (CHANN, ITRC_OUTPUT, 61, 0 );
- current->state = TASK_INTERRUPTIBLE;
- schedule_timeout(2);
+ schedule_timeout_interruptible(2);
if (signal_pending(current)) {
break;
}
diff --git a/drivers/char/ip2main.c b/drivers/char/ip2main.c
index cf0cd58d630..9e4e26aef94 100644
--- a/drivers/char/ip2main.c
+++ b/drivers/char/ip2main.c
@@ -120,7 +120,6 @@
#include <linux/vmalloc.h>
#include <linux/init.h>
-#include <asm/serial.h>
#include <asm/uaccess.h>
@@ -255,7 +254,7 @@ static unsigned long bh_counter = 0;
* selected, the board is serviced periodically to see if anything needs doing.
*/
#define POLL_TIMEOUT (jiffies + 1)
-static struct timer_list PollTimer = TIMER_INITIALIZER(ip2_poll, 0, 0);
+static DEFINE_TIMER(PollTimer, ip2_poll, 0, 0);
static char TimerOn;
#ifdef IP2DEBUG_TRACE
diff --git a/drivers/char/ipmi/ipmi_devintf.c b/drivers/char/ipmi/ipmi_devintf.c
index 883ac4352be..a09ff108068 100644
--- a/drivers/char/ipmi/ipmi_devintf.c
+++ b/drivers/char/ipmi/ipmi_devintf.c
@@ -735,7 +735,8 @@ static long compat_ipmi_ioctl(struct file *filep, unsigned int cmd,
case COMPAT_IPMICTL_RECEIVE_MSG:
case COMPAT_IPMICTL_RECEIVE_MSG_TRUNC:
{
- struct ipmi_recv *precv64, recv64;
+ struct ipmi_recv __user *precv64;
+ struct ipmi_recv recv64;
if (get_compat_ipmi_recv(&recv64, compat_ptr(arg)))
return -EFAULT;
@@ -748,7 +749,7 @@ static long compat_ipmi_ioctl(struct file *filep, unsigned int cmd,
((cmd == COMPAT_IPMICTL_RECEIVE_MSG)
? IPMICTL_RECEIVE_MSG
: IPMICTL_RECEIVE_MSG_TRUNC),
- (long) precv64);
+ (unsigned long) precv64);
if (rc != 0)
return rc;
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 278f8410499..b6e5cbfb09f 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -1920,8 +1920,7 @@ static int try_get_dev_id(struct smi_info *smi_info)
for (;;)
{
if (smi_result == SI_SM_CALL_WITH_DELAY) {
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(1);
+ schedule_timeout_uninterruptible(1);
smi_result = smi_info->handlers->event(
smi_info->si_sm, 100);
}
@@ -2256,10 +2255,8 @@ static int init_one_smi(int intf_num, struct smi_info **smi)
/* Wait for the timer to stop. This avoids problems with race
conditions removing the timer here. */
- while (! new_smi->timer_stopped) {
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(1);
- }
+ while (!new_smi->timer_stopped)
+ schedule_timeout_uninterruptible(1);
out_err:
if (new_smi->intf)
@@ -2379,17 +2376,14 @@ static void __exit cleanup_one_si(struct smi_info *to_clean)
/* Wait for the timer to stop. This avoids problems with race
conditions removing the timer here. */
- while (! to_clean->timer_stopped) {
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(1);
- }
+ while (!to_clean->timer_stopped)
+ schedule_timeout_uninterruptible(1);
/* Interrupts and timeouts are stopped, now make sure the
interface is in a clean state. */
while (to_clean->curr_msg || (to_clean->si_state != SI_NORMAL)) {
poll(to_clean);
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(1);
+ schedule_timeout_uninterruptible(1);
}
rv = ipmi_unregister_smi(to_clean->intf);
diff --git a/drivers/char/ipmi/ipmi_watchdog.c b/drivers/char/ipmi/ipmi_watchdog.c
index e71aaae855a..2da64bf7469 100644
--- a/drivers/char/ipmi/ipmi_watchdog.c
+++ b/drivers/char/ipmi/ipmi_watchdog.c
@@ -1037,10 +1037,8 @@ static __exit void ipmi_unregister_watchdog(void)
/* Wait to make sure the message makes it out. The lower layer has
pointers to our buffers, we want to make sure they are done before
we release our memory. */
- while (atomic_read(&set_timeout_tofree)) {
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(1);
- }
+ while (atomic_read(&set_timeout_tofree))
+ schedule_timeout_uninterruptible(1);
/* Disconnect from IPMI. */
rv = ipmi_destroy_user(watchdog_user);
diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c
index 52a073eee20..9c19e5435a1 100644
--- a/drivers/char/istallion.c
+++ b/drivers/char/istallion.c
@@ -780,7 +780,7 @@ static struct file_operations stli_fsiomem = {
* much cheaper on host cpu than using interrupts. It turns out to
* not increase character latency by much either...
*/
-static struct timer_list stli_timerlist = TIMER_INITIALIZER(stli_poll, 0, 0);
+static DEFINE_TIMER(stli_timerlist, stli_poll, 0, 0);
static int stli_timeron;
diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c
index 523fd3c8bba..1745065d8f7 100644
--- a/drivers/char/keyboard.c
+++ b/drivers/char/keyboard.c
@@ -233,8 +233,7 @@ static void kd_nosound(unsigned long ignored)
}
}
-static struct timer_list kd_mksound_timer =
- TIMER_INITIALIZER(kd_nosound, 0, 0);
+static DEFINE_TIMER(kd_mksound_timer, kd_nosound, 0, 0);
void kd_mksound(unsigned int hz, unsigned int ticks)
{
diff --git a/drivers/char/lcd.c b/drivers/char/lcd.c
index cf01a720eb2..b7716114614 100644
--- a/drivers/char/lcd.c
+++ b/drivers/char/lcd.c
@@ -613,10 +613,15 @@ static struct miscdevice lcd_dev = {
static int lcd_init(void)
{
+ int ret;
unsigned long data;
pr_info("%s\n", LCD_DRIVER);
- misc_register(&lcd_dev);
+ ret = misc_register(&lcd_dev);
+ if (ret) {
+ printk(KERN_WARNING LCD "Unable to register misc device.\n");
+ return ret;
+ }
/* Check region? Naaah! Just snarf it up. */
/* request_region(RTC_PORT(0), RTC_IO_EXTENT, "lcd");*/
diff --git a/drivers/char/lp.c b/drivers/char/lp.c
index 59eebe5a035..2afb9038dbc 100644
--- a/drivers/char/lp.c
+++ b/drivers/char/lp.c
@@ -128,6 +128,7 @@
#include <linux/console.h>
#include <linux/device.h>
#include <linux/wait.h>
+#include <linux/jiffies.h>
#include <linux/parport.h>
#undef LP_STATS
@@ -307,7 +308,7 @@ static ssize_t lp_write(struct file * file, const char __user * buf,
(LP_F(minor) & LP_ABORT));
#ifdef LP_STATS
- if (jiffies-lp_table[minor].lastcall > LP_TIME(minor))
+ if (time_after(jiffies, lp_table[minor].lastcall + LP_TIME(minor)))
lp_table[minor].runchars = 0;
lp_table[minor].lastcall = jiffies;
diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index d0ef1ae4129..45d012d85e8 100644
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -1058,8 +1058,7 @@ static void mxser_close(struct tty_struct *tty, struct file *filp)
*/
timeout = jiffies + HZ;
while (!(inb(info->base + UART_LSR) & UART_LSR_TEMT)) {
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(5);
+ schedule_timeout_interruptible(5);
if (time_after(jiffies, timeout))
break;
}
@@ -1080,10 +1079,8 @@ static void mxser_close(struct tty_struct *tty, struct file *filp)
info->event = 0;
info->tty = NULL;
if (info->blocked_open) {
- if (info->close_delay) {
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(info->close_delay);
- }
+ if (info->close_delay)
+ schedule_timeout_interruptible(info->close_delay);
wake_up_interruptible(&info->open_wait);
}
@@ -1801,8 +1798,7 @@ static void mxser_wait_until_sent(struct tty_struct *tty, int timeout)
#ifdef SERIAL_DEBUG_RS_WAIT_UNTIL_SENT
printk("lsr = %d (jiff=%lu)...", lsr, jiffies);
#endif
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(char_time);
+ schedule_timeout_interruptible(char_time);
if (signal_pending(current))
break;
if (timeout && time_after(jiffies, orig_jiffies + timeout))
diff --git a/drivers/char/n_tty.c b/drivers/char/n_tty.c
index 09103b3d8f0..c9bdf544ed2 100644
--- a/drivers/char/n_tty.c
+++ b/drivers/char/n_tty.c
@@ -62,7 +62,7 @@
static inline unsigned char *alloc_buf(void)
{
- int prio = in_interrupt() ? GFP_ATOMIC : GFP_KERNEL;
+ unsigned int prio = in_interrupt() ? GFP_ATOMIC : GFP_KERNEL;
if (PAGE_SIZE != N_TTY_BUF_SIZE)
return kmalloc(N_TTY_BUF_SIZE, prio);
diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c
index 7a0c7464812..02d7f046c10 100644
--- a/drivers/char/pcmcia/synclink_cs.c
+++ b/drivers/char/pcmcia/synclink_cs.c
@@ -1,7 +1,7 @@
/*
* linux/drivers/char/pcmcia/synclink_cs.c
*
- * $Id: synclink_cs.c,v 4.26 2004/08/11 19:30:02 paulkf Exp $
+ * $Id: synclink_cs.c,v 4.34 2005/09/08 13:20:54 paulkf Exp $
*
* Device driver for Microgate SyncLink PC Card
* multiprotocol serial adapter.
@@ -472,7 +472,7 @@ module_param_array(dosyncppp, int, NULL, 0);
MODULE_LICENSE("GPL");
static char *driver_name = "SyncLink PC Card driver";
-static char *driver_version = "$Revision: 4.26 $";
+static char *driver_version = "$Revision: 4.34 $";
static struct tty_driver *serial_driver;
@@ -1457,6 +1457,8 @@ static int startup(MGSLPC_INFO * info)
info->pending_bh = 0;
+ memset(&info->icount, 0, sizeof(info->icount));
+
init_timer(&info->tx_timer);
info->tx_timer.data = (unsigned long)info;
info->tx_timer.function = tx_timeout;
@@ -1946,9 +1948,13 @@ static int get_stats(MGSLPC_INFO * info, struct mgsl_icount __user *user_icount)
int err;
if (debug_level >= DEBUG_LEVEL_INFO)
printk("get_params(%s)\n", info->device_name);
- COPY_TO_USER(err,user_icount, &info->icount, sizeof(struct mgsl_icount));
- if (err)
- return -EFAULT;
+ if (!user_icount) {
+ memset(&info->icount, 0, sizeof(info->icount));
+ } else {
+ COPY_TO_USER(err, user_icount, &info->icount, sizeof(struct mgsl_icount));
+ if (err)
+ return -EFAULT;
+ }
return 0;
}
diff --git a/drivers/char/pty.c b/drivers/char/pty.c
index da32889d22c..49f3997fd25 100644
--- a/drivers/char/pty.c
+++ b/drivers/char/pty.c
@@ -149,15 +149,14 @@ static int pty_write_room(struct tty_struct *tty)
static int pty_chars_in_buffer(struct tty_struct *tty)
{
struct tty_struct *to = tty->link;
- ssize_t (*chars_in_buffer)(struct tty_struct *);
int count;
/* We should get the line discipline lock for "tty->link" */
- if (!to || !(chars_in_buffer = to->ldisc.chars_in_buffer))
+ if (!to || !to->ldisc.chars_in_buffer)
return 0;
/* The ldisc must report 0 if no characters available to be read */
- count = chars_in_buffer(to);
+ count = to->ldisc.chars_in_buffer(to);
if (tty->driver->subtype == PTY_TYPE_SLAVE) return count;
diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c
index 37c8bea8e2b..ea2d54be484 100644
--- a/drivers/char/synclink.c
+++ b/drivers/char/synclink.c
@@ -1,7 +1,7 @@
/*
* linux/drivers/char/synclink.c
*
- * $Id: synclink.c,v 4.28 2004/08/11 19:30:01 paulkf Exp $
+ * $Id: synclink.c,v 4.37 2005/09/07 13:13:19 paulkf Exp $
*
* Device driver for Microgate SyncLink ISA and PCI
* high speed multiprotocol serial adapters.
@@ -141,9 +141,9 @@ static MGSL_PARAMS default_params = {
typedef struct _DMABUFFERENTRY
{
u32 phys_addr; /* 32-bit flat physical address of data buffer */
- u16 count; /* buffer size/data count */
- u16 status; /* Control/status field */
- u16 rcc; /* character count field */
+ volatile u16 count; /* buffer size/data count */
+ volatile u16 status; /* Control/status field */
+ volatile u16 rcc; /* character count field */
u16 reserved; /* padding required by 16C32 */
u32 link; /* 32-bit flat link to next buffer entry */
char *virt_addr; /* virtual address of data buffer */
@@ -896,7 +896,7 @@ module_param_array(txdmabufs, int, NULL, 0);
module_param_array(txholdbufs, int, NULL, 0);
static char *driver_name = "SyncLink serial driver";
-static char *driver_version = "$Revision: 4.28 $";
+static char *driver_version = "$Revision: 4.37 $";
static int synclink_init_one (struct pci_dev *dev,
const struct pci_device_id *ent);
@@ -1814,6 +1814,8 @@ static int startup(struct mgsl_struct * info)
info->pending_bh = 0;
+ memset(&info->icount, 0, sizeof(info->icount));
+
init_timer(&info->tx_timer);
info->tx_timer.data = (unsigned long)info;
info->tx_timer.function = mgsl_tx_timeout;
@@ -2470,12 +2472,12 @@ static int mgsl_get_stats(struct mgsl_struct * info, struct mgsl_icount __user *
printk("%s(%d):mgsl_get_params(%s)\n",
__FILE__,__LINE__, info->device_name);
- COPY_TO_USER(err,user_icount, &info->icount, sizeof(struct mgsl_icount));
- if (err) {
- if ( debug_level >= DEBUG_LEVEL_INFO )
- printk( "%s(%d):mgsl_get_stats(%s) user buffer copy failed\n",
- __FILE__,__LINE__,info->device_name);
- return -EFAULT;
+ if (!user_icount) {
+ memset(&info->icount, 0, sizeof(info->icount));
+ } else {
+ COPY_TO_USER(err, user_icount, &info->icount, sizeof(struct mgsl_icount));
+ if (err)
+ return -EFAULT;
}
return 0;
@@ -6149,6 +6151,11 @@ static void usc_set_async_mode( struct mgsl_struct *info )
usc_OutReg(info, PCR, (u16)((usc_InReg(info, PCR) | BIT13) & ~BIT12));
}
+ if (info->params.loopback) {
+ info->loopback_bits = 0x300;
+ outw(0x0300, info->io_base + CCAR);
+ }
+
} /* end of usc_set_async_mode() */
/* usc_loopback_frame()
diff --git a/drivers/char/synclinkmp.c b/drivers/char/synclinkmp.c
index ec949e4c070..6fb165cf8a6 100644
--- a/drivers/char/synclinkmp.c
+++ b/drivers/char/synclinkmp.c
@@ -1,5 +1,5 @@
/*
- * $Id: synclinkmp.c,v 4.34 2005/03/04 15:07:10 paulkf Exp $
+ * $Id: synclinkmp.c,v 4.38 2005/07/15 13:29:44 paulkf Exp $
*
* Device driver for Microgate SyncLink Multiport
* high speed multiprotocol serial adapter.
@@ -55,7 +55,6 @@
#include <linux/netdevice.h>
#include <linux/vmalloc.h>
#include <linux/init.h>
-#include <asm/serial.h>
#include <linux/delay.h>
#include <linux/ioctl.h>
@@ -487,7 +486,7 @@ module_param_array(maxframe, int, NULL, 0);
module_param_array(dosyncppp, int, NULL, 0);
static char *driver_name = "SyncLink MultiPort driver";
-static char *driver_version = "$Revision: 4.34 $";
+static char *driver_version = "$Revision: 4.38 $";
static int synclinkmp_init_one(struct pci_dev *dev,const struct pci_device_id *ent);
static void synclinkmp_remove_one(struct pci_dev *dev);
@@ -556,7 +555,6 @@ static int set_txidle(SLMP_INFO *info, int idle_mode);
static int tx_enable(SLMP_INFO *info, int enable);
static int tx_abort(SLMP_INFO *info);
static int rx_enable(SLMP_INFO *info, int enable);
-static int map_status(int signals);
static int modem_input_wait(SLMP_INFO *info,int arg);
static int wait_mgsl_event(SLMP_INFO *info, int __user *mask_ptr);
static int tiocmget(struct tty_struct *tty, struct file *file);
@@ -645,7 +643,7 @@ static unsigned char tx_active_fifo_level = 16; // tx request FIFO activation le
static unsigned char tx_negate_fifo_level = 32; // tx request FIFO negation level in bytes
static u32 misc_ctrl_value = 0x007e4040;
-static u32 lcr1_brdr_value = 0x00800029;
+static u32 lcr1_brdr_value = 0x00800028;
static u32 read_ahead_count = 8;
@@ -2750,6 +2748,8 @@ static int startup(SLMP_INFO * info)
info->pending_bh = 0;
+ memset(&info->icount, 0, sizeof(info->icount));
+
/* program hardware for current parameters */
reset_port(info);
@@ -2953,12 +2953,12 @@ static int get_stats(SLMP_INFO * info, struct mgsl_icount __user *user_icount)
printk("%s(%d):%s get_params()\n",
__FILE__,__LINE__, info->device_name);
- COPY_TO_USER(err,user_icount, &info->icount, sizeof(struct mgsl_icount));
- if (err) {
- if ( debug_level >= DEBUG_LEVEL_INFO )
- printk( "%s(%d):%s get_stats() user buffer copy failed\n",
- __FILE__,__LINE__,info->device_name);
- return -EFAULT;
+ if (!user_icount) {
+ memset(&info->icount, 0, sizeof(info->icount));
+ } else {
+ COPY_TO_USER(err, user_icount, &info->icount, sizeof(struct mgsl_icount));
+ if (err)
+ return -EFAULT;
}
return 0;
@@ -3109,16 +3109,6 @@ static int rx_enable(SLMP_INFO * info, int enable)
return 0;
}
-static int map_status(int signals)
-{
- /* Map status bits to API event bits */
-
- return ((signals & SerialSignal_DSR) ? MgslEvent_DsrActive : MgslEvent_DsrInactive) +
- ((signals & SerialSignal_CTS) ? MgslEvent_CtsActive : MgslEvent_CtsInactive) +
- ((signals & SerialSignal_DCD) ? MgslEvent_DcdActive : MgslEvent_DcdInactive) +
- ((signals & SerialSignal_RI) ? MgslEvent_RiActive : MgslEvent_RiInactive);
-}
-
/* wait for specified event to occur
*/
static int wait_mgsl_event(SLMP_INFO * info, int __user *mask_ptr)
@@ -3145,7 +3135,7 @@ static int wait_mgsl_event(SLMP_INFO * info, int __user *mask_ptr)
/* return immediately if state matches requested events */
get_signals(info);
- s = map_status(info->serial_signals);
+ s = info->serial_signals;
events = mask &
( ((s & SerialSignal_DSR) ? MgslEvent_DsrActive:MgslEvent_DsrInactive) +
@@ -4489,11 +4479,13 @@ void async_mode(SLMP_INFO *info)
/* MD2, Mode Register 2
*
* 07..02 Reserved, must be 0
- * 01..00 CNCT<1..0> Channel connection, 0=normal
+ * 01..00 CNCT<1..0> Channel connection, 00=normal 11=local loopback
*
* 0000 0000
*/
RegValue = 0x00;
+ if (info->params.loopback)
+ RegValue |= (BIT1 + BIT0);
write_reg(info, MD2, RegValue);
/* RXS, Receive clock source
@@ -4574,9 +4566,6 @@ void async_mode(SLMP_INFO *info)
write_reg(info, IE2, info->ie2_value);
set_rate( info, info->params.data_rate * 16 );
-
- if (info->params.loopback)
- enable_loopback(info,1);
}
/* Program the SCA for HDLC communications.
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index 9d657127f31..e5953f3433f 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -469,21 +469,19 @@ static void tty_ldisc_enable(struct tty_struct *tty)
static int tty_set_ldisc(struct tty_struct *tty, int ldisc)
{
- int retval = 0;
- struct tty_ldisc o_ldisc;
+ int retval = 0;
+ struct tty_ldisc o_ldisc;
char buf[64];
int work;
unsigned long flags;
struct tty_ldisc *ld;
+ struct tty_struct *o_tty;
if ((ldisc < N_TTY) || (ldisc >= NR_LDISCS))
return -EINVAL;
restart:
- if (tty->ldisc.num == ldisc)
- return 0; /* We are already in the desired discipline */
-
ld = tty_ldisc_get(ldisc);
/* Eduardo Blanco <ejbs@cs.cs.com.uy> */
/* Cyrus Durgin <cider@speakeasy.org> */
@@ -494,45 +492,74 @@ restart:
if (ld == NULL)
return -EINVAL;
- o_ldisc = tty->ldisc;
-
tty_wait_until_sent(tty, 0);
+ if (tty->ldisc.num == ldisc) {
+ tty_ldisc_put(ldisc);
+ return 0;
+ }
+
+ o_ldisc = tty->ldisc;
+ o_tty = tty->link;
+
/*
* Make sure we don't change while someone holds a
* reference to the line discipline. The TTY_LDISC bit
* prevents anyone taking a reference once it is clear.
* We need the lock to avoid racing reference takers.
*/
-
+
spin_lock_irqsave(&tty_ldisc_lock, flags);
- if(tty->ldisc.refcount)
- {
- /* Free the new ldisc we grabbed. Must drop the lock
- first. */
+ if (tty->ldisc.refcount || (o_tty && o_tty->ldisc.refcount)) {
+ if(tty->ldisc.refcount) {
+ /* Free the new ldisc we grabbed. Must drop the lock
+ first. */
+ spin_unlock_irqrestore(&tty_ldisc_lock, flags);
+ tty_ldisc_put(ldisc);
+ /*
+ * There are several reasons we may be busy, including
+ * random momentary I/O traffic. We must therefore
+ * retry. We could distinguish between blocking ops
+ * and retries if we made tty_ldisc_wait() smarter. That
+ * is up for discussion.
+ */
+ if (wait_event_interruptible(tty_ldisc_wait, tty->ldisc.refcount == 0) < 0)
+ return -ERESTARTSYS;
+ goto restart;
+ }
+ if(o_tty && o_tty->ldisc.refcount) {
+ spin_unlock_irqrestore(&tty_ldisc_lock, flags);
+ tty_ldisc_put(ldisc);
+ if (wait_event_interruptible(tty_ldisc_wait, o_tty->ldisc.refcount == 0) < 0)
+ return -ERESTARTSYS;
+ goto restart;
+ }
+ }
+
+ /* if the TTY_LDISC bit is set, then we are racing against another ldisc change */
+
+ if (!test_bit(TTY_LDISC, &tty->flags)) {
spin_unlock_irqrestore(&tty_ldisc_lock, flags);
tty_ldisc_put(ldisc);
- /*
- * There are several reasons we may be busy, including
- * random momentary I/O traffic. We must therefore
- * retry. We could distinguish between blocking ops
- * and retries if we made tty_ldisc_wait() smarter. That
- * is up for discussion.
- */
- if(wait_event_interruptible(tty_ldisc_wait, tty->ldisc.refcount == 0) < 0)
- return -ERESTARTSYS;
+ ld = tty_ldisc_ref_wait(tty);
+ tty_ldisc_deref(ld);
goto restart;
}
- clear_bit(TTY_LDISC, &tty->flags);
+
+ clear_bit(TTY_LDISC, &tty->flags);
clear_bit(TTY_DONT_FLIP, &tty->flags);
+ if (o_tty) {
+ clear_bit(TTY_LDISC, &o_tty->flags);
+ clear_bit(TTY_DONT_FLIP, &o_tty->flags);
+ }
spin_unlock_irqrestore(&tty_ldisc_lock, flags);
-
+
/*
* From this point on we know nobody has an ldisc
* usage reference, nor can they obtain one until
* we say so later on.
*/
-
+
work = cancel_delayed_work(&tty->flip.work);
/*
* Wait for ->hangup_work and ->flip.work handlers to terminate
@@ -583,10 +610,12 @@ restart:
*/
tty_ldisc_enable(tty);
+ if (o_tty)
+ tty_ldisc_enable(o_tty);
/* Restart it in case no characters kick it off. Safe if
already running */
- if(work)
+ if (work)
schedule_delayed_work(&tty->flip.work, 1);
return retval;
}
@@ -2425,6 +2454,7 @@ static void __do_SAK(void *arg)
int i;
struct file *filp;
struct tty_ldisc *disc;
+ struct fdtable *fdt;
if (!tty)
return;
@@ -2450,8 +2480,9 @@ static void __do_SAK(void *arg)
}
task_lock(p);
if (p->files) {
- spin_lock(&p->files->file_lock);
- for (i=0; i < p->files->max_fds; i++) {
+ rcu_read_lock();
+ fdt = files_fdtable(p->files);
+ for (i=0; i < fdt->max_fds; i++) {
filp = fcheck_files(p->files, i);
if (!filp)
continue;
@@ -2464,7 +2495,7 @@ static void __do_SAK(void *arg)
break;
}
}
- spin_unlock(&p->files->file_lock);
+ rcu_read_unlock();
}
task_unlock(p);
} while_each_task_pid(session, PIDTYPE_SID, p);
diff --git a/drivers/char/vt.c b/drivers/char/vt.c
index b8d0c290b0d..1e33cb032e0 100644
--- a/drivers/char/vt.c
+++ b/drivers/char/vt.c
@@ -751,6 +751,7 @@ int vc_resize(struct vc_data *vc, unsigned int cols, unsigned int lines)
unsigned long old_origin, new_origin, new_scr_end, rlth, rrem, err = 0;
unsigned int old_cols, old_rows, old_row_size, old_screen_size;
unsigned int new_cols, new_rows, new_row_size, new_screen_size;
+ unsigned int end;
unsigned short *newscreen;
WARN_CONSOLE_UNLOCKED();
@@ -794,20 +795,44 @@ int vc_resize(struct vc_data *vc, unsigned int cols, unsigned int lines)
old_origin = vc->vc_origin;
new_origin = (long) newscreen;
new_scr_end = new_origin + new_screen_size;
- if (new_rows < old_rows)
- old_origin += (old_rows - new_rows) * old_row_size;
+
+ if (vc->vc_y > new_rows) {
+ if (old_rows - vc->vc_y < new_rows) {
+ /*
+ * Cursor near the bottom, copy contents from the
+ * bottom of buffer
+ */
+ old_origin += (old_rows - new_rows) * old_row_size;
+ end = vc->vc_scr_end;
+ } else {
+ /*
+ * Cursor is in no man's land, copy 1/2 screenful
+ * from the top and bottom of cursor position
+ */
+ old_origin += (vc->vc_y - new_rows/2) * old_row_size;
+ end = old_origin + new_screen_size;
+ }
+ } else
+ /*
+ * Cursor near the top, copy contents from the top of buffer
+ */
+ end = (old_rows > new_rows) ? old_origin + new_screen_size :
+ vc->vc_scr_end;
update_attr(vc);
- while (old_origin < vc->vc_scr_end) {
- scr_memcpyw((unsigned short *) new_origin, (unsigned short *) old_origin, rlth);
+ while (old_origin < end) {
+ scr_memcpyw((unsigned short *) new_origin,
+ (unsigned short *) old_origin, rlth);
if (rrem)
- scr_memsetw((void *)(new_origin + rlth), vc->vc_video_erase_char, rrem);
+ scr_memsetw((void *)(new_origin + rlth),
+ vc->vc_video_erase_char, rrem);
old_origin += old_row_size;
new_origin += new_row_size;
}
if (new_scr_end > new_origin)
- scr_memsetw((void *)new_origin, vc->vc_video_erase_char, new_scr_end - new_origin);
+ scr_memsetw((void *)new_origin, vc->vc_video_erase_char,
+ new_scr_end - new_origin);
if (vc->vc_kmalloced)
kfree(vc->vc_screenbuf);
vc->vc_screenbuf = newscreen;
diff --git a/drivers/char/watchdog/mixcomwd.c b/drivers/char/watchdog/mixcomwd.c
index c9b301dccec..7fc2188386d 100644
--- a/drivers/char/watchdog/mixcomwd.c
+++ b/drivers/char/watchdog/mixcomwd.c
@@ -59,7 +59,7 @@ static unsigned long mixcomwd_opened; /* long req'd for setbit --RR */
static int watchdog_port;
static int mixcomwd_timer_alive;
-static struct timer_list mixcomwd_timer = TIMER_INITIALIZER(NULL, 0, 0);
+static DEFINE_TIMER(mixcomwd_timer, NULL, 0, 0);
static char expect_close;
static int nowayout = WATCHDOG_NOWAYOUT;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-03-24 23:58:51 +0000