summaryrefslogtreecommitdiffstats
path: root/drivers/char
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/agp/intel-agp.c3
-rw-r--r--drivers/char/applicom.c1
-rw-r--r--drivers/char/bsr.c2
-rw-r--r--drivers/char/cyclades.c2
-rw-r--r--drivers/char/esp.c2
-rw-r--r--drivers/char/hpet.c22
-rw-r--r--drivers/char/hw_random/timeriomem-rng.c39
-rw-r--r--drivers/char/isicom.c1
-rw-r--r--drivers/char/mem.c27
-rw-r--r--drivers/char/moxa.c9
-rw-r--r--drivers/char/mxser.c1
-rw-r--r--drivers/char/random.c3
-rw-r--r--drivers/char/rio/rio_linux.c2
-rw-r--r--drivers/char/riscom8.c2
-rw-r--r--drivers/char/specialix.c1
-rw-r--r--drivers/char/synclink_gt.c58
-rw-r--r--drivers/char/sysrq.c3
-rw-r--r--drivers/char/tty_audit.c2
-rw-r--r--drivers/char/tty_io.c6
-rw-r--r--drivers/char/tty_ldisc.c1
-rw-r--r--drivers/char/vt.c2
21 files changed, 119 insertions, 70 deletions
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index 9d9490e22e0..3686912427b 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -2131,6 +2131,8 @@ static const struct intel_driver_description {
{ PCI_DEVICE_ID_INTEL_82845G_HB, PCI_DEVICE_ID_INTEL_82845G_IG, 0, "830M",
&intel_845_driver, &intel_830_driver },
{ PCI_DEVICE_ID_INTEL_82850_HB, 0, 0, "i850", &intel_850_driver, NULL },
+ { PCI_DEVICE_ID_INTEL_82854_HB, PCI_DEVICE_ID_INTEL_82854_IG, 0, "854",
+ &intel_845_driver, &intel_830_driver },
{ PCI_DEVICE_ID_INTEL_82855PM_HB, 0, 0, "855PM", &intel_845_driver, NULL },
{ PCI_DEVICE_ID_INTEL_82855GM_HB, PCI_DEVICE_ID_INTEL_82855GM_IG, 0, "855GM",
&intel_845_driver, &intel_830_driver },
@@ -2355,6 +2357,7 @@ static struct pci_device_id agp_intel_pci_table[] = {
ID(PCI_DEVICE_ID_INTEL_82845_HB),
ID(PCI_DEVICE_ID_INTEL_82845G_HB),
ID(PCI_DEVICE_ID_INTEL_82850_HB),
+ ID(PCI_DEVICE_ID_INTEL_82854_HB),
ID(PCI_DEVICE_ID_INTEL_82855PM_HB),
ID(PCI_DEVICE_ID_INTEL_82855GM_HB),
ID(PCI_DEVICE_ID_INTEL_82860_HB),
diff --git a/drivers/char/applicom.c b/drivers/char/applicom.c
index 05674febb0c..73a0765344b 100644
--- a/drivers/char/applicom.c
+++ b/drivers/char/applicom.c
@@ -75,6 +75,7 @@ MODULE_DEVICE_TABLE(pci, applicom_pci_tbl);
MODULE_AUTHOR("David Woodhouse & Applicom International");
MODULE_DESCRIPTION("Driver for Applicom Profibus card");
MODULE_LICENSE("GPL");
+MODULE_ALIAS_MISCDEV(AC_MINOR);
MODULE_SUPPORTED_DEVICE("ac");
diff --git a/drivers/char/bsr.c b/drivers/char/bsr.c
index f6094ae0ef3..140ea10ecb8 100644
--- a/drivers/char/bsr.c
+++ b/drivers/char/bsr.c
@@ -140,7 +140,7 @@ static int bsr_open(struct inode * inode, struct file * filp)
return 0;
}
-const static struct file_operations bsr_fops = {
+static const struct file_operations bsr_fops = {
.owner = THIS_MODULE,
.mmap = bsr_mmap,
.open = bsr_open,
diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index 272db0e2b49..1fdb9f657d8 100644
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -646,6 +646,7 @@
#include <linux/spinlock.h>
#include <linux/bitops.h>
#include <linux/firmware.h>
+#include <linux/device.h>
#include <asm/system.h>
#include <linux/io.h>
@@ -5408,3 +5409,4 @@ module_exit(cy_cleanup_module);
MODULE_LICENSE("GPL");
MODULE_VERSION(CY_VERSION);
+MODULE_ALIAS_CHARDEV_MAJOR(CYCLADES_MAJOR);
diff --git a/drivers/char/esp.c b/drivers/char/esp.c
index 45ec263ec01..a5c59fc2b0f 100644
--- a/drivers/char/esp.c
+++ b/drivers/char/esp.c
@@ -2258,7 +2258,7 @@ static int esp_open(struct tty_struct *tty, struct file *filp)
* driver.
*/
-static void show_serial_version(void)
+static void __init show_serial_version(void)
{
printk(KERN_INFO "%s version %s (DMA %u)\n",
serial_name, serial_version, dma);
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index 32b8bbf5003..50dfa3bc71c 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -713,7 +713,7 @@ static struct ctl_table_header *sysctl_header;
*/
#define TICK_CALIBRATE (1000UL)
-static unsigned long hpet_calibrate(struct hpets *hpetp)
+static unsigned long __hpet_calibrate(struct hpets *hpetp)
{
struct hpet_timer __iomem *timer = NULL;
unsigned long t, m, count, i, flags, start;
@@ -750,6 +750,26 @@ static unsigned long hpet_calibrate(struct hpets *hpetp)
return (m - start) / i;
}
+static unsigned long hpet_calibrate(struct hpets *hpetp)
+{
+ unsigned long ret = -1;
+ unsigned long tmp;
+
+ /*
+ * Try to calibrate until return value becomes stable small value.
+ * If SMI interruption occurs in calibration loop, the return value
+ * will be big. This avoids its impact.
+ */
+ for ( ; ; ) {
+ tmp = __hpet_calibrate(hpetp);
+ if (ret <= tmp)
+ break;
+ ret = tmp;
+ }
+
+ return ret;
+}
+
int hpet_alloc(struct hpet_data *hdp)
{
u64 cap, mcfg;
diff --git a/drivers/char/hw_random/timeriomem-rng.c b/drivers/char/hw_random/timeriomem-rng.c
index 10ad41be589..dcd352ad0e7 100644
--- a/drivers/char/hw_random/timeriomem-rng.c
+++ b/drivers/char/hw_random/timeriomem-rng.c
@@ -90,10 +90,30 @@ static struct hwrng timeriomem_rng_ops = {
static int __init timeriomem_rng_probe(struct platform_device *pdev)
{
+ struct resource *res, *mem;
int ret;
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+
+ if (!res)
+ return -ENOENT;
+
+ mem = request_mem_region(res->start, res->end - res->start + 1,
+ pdev->name);
+ if (mem == NULL)
+ return -EBUSY;
+
+ dev_set_drvdata(&pdev->dev, mem);
+
timeriomem_rng_data = pdev->dev.platform_data;
+ timeriomem_rng_data->address = ioremap(res->start,
+ res->end - res->start + 1);
+ if (!timeriomem_rng_data->address) {
+ ret = -ENOMEM;
+ goto err_ioremap;
+ }
+
if (timeriomem_rng_data->period != 0
&& usecs_to_jiffies(timeriomem_rng_data->period) > 0) {
timeriomem_rng_timer.expires = jiffies;
@@ -104,23 +124,34 @@ static int __init timeriomem_rng_probe(struct platform_device *pdev)
timeriomem_rng_data->present = 1;
ret = hwrng_register(&timeriomem_rng_ops);
- if (ret) {
- dev_err(&pdev->dev, "problem registering\n");
- return ret;
- }
+ if (ret)
+ goto err_register;
dev_info(&pdev->dev, "32bits from 0x%p @ %dus\n",
timeriomem_rng_data->address,
timeriomem_rng_data->period);
return 0;
+
+err_register:
+ dev_err(&pdev->dev, "problem registering\n");
+ iounmap(timeriomem_rng_data->address);
+err_ioremap:
+ release_resource(mem);
+
+ return ret;
}
static int __devexit timeriomem_rng_remove(struct platform_device *pdev)
{
+ struct resource *mem = dev_get_drvdata(&pdev->dev);
+
del_timer_sync(&timeriomem_rng_timer);
hwrng_unregister(&timeriomem_rng_ops);
+ iounmap(timeriomem_rng_data->address);
+ release_resource(mem);
+
return 0;
}
diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c
index 24aa6e88e22..a59eac584d1 100644
--- a/drivers/char/isicom.c
+++ b/drivers/char/isicom.c
@@ -925,6 +925,7 @@ static void isicom_shutdown_port(struct isi_port *port)
if (!card->count)
isicom_shutdown_board(card);
}
+ tty_kref_put(tty);
}
static void isicom_flush_buffer(struct tty_struct *tty)
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 3586b3b3df3..8f05c38c2f0 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -301,33 +301,7 @@ static inline int private_mapping_ok(struct vm_area_struct *vma)
}
#endif
-void __attribute__((weak))
-map_devmem(unsigned long pfn, unsigned long len, pgprot_t prot)
-{
- /* nothing. architectures can override. */
-}
-
-void __attribute__((weak))
-unmap_devmem(unsigned long pfn, unsigned long len, pgprot_t prot)
-{
- /* nothing. architectures can override. */
-}
-
-static void mmap_mem_open(struct vm_area_struct *vma)
-{
- map_devmem(vma->vm_pgoff, vma->vm_end - vma->vm_start,
- vma->vm_page_prot);
-}
-
-static void mmap_mem_close(struct vm_area_struct *vma)
-{
- unmap_devmem(vma->vm_pgoff, vma->vm_end - vma->vm_start,
- vma->vm_page_prot);
-}
-
static struct vm_operations_struct mmap_mem_ops = {
- .open = mmap_mem_open,
- .close = mmap_mem_close,
#ifdef CONFIG_HAVE_IOREMAP_PROT
.access = generic_access_phys
#endif
@@ -362,7 +336,6 @@ static int mmap_mem(struct file * file, struct vm_area_struct * vma)
vma->vm_pgoff,
size,
vma->vm_page_prot)) {
- unmap_devmem(vma->vm_pgoff, size, vma->vm_page_prot);
return -EAGAIN;
}
return 0;
diff --git a/drivers/char/moxa.c b/drivers/char/moxa.c
index 8b0da97d529..4a4cab73d0b 100644
--- a/drivers/char/moxa.c
+++ b/drivers/char/moxa.c
@@ -1486,11 +1486,11 @@ static int moxa_poll_port(struct moxa_port *p, unsigned int handle,
}
if (!handle) /* nothing else to do */
- return 0;
+ goto put;
intr = readw(ip); /* port irq status */
if (intr == 0)
- return 0;
+ goto put;
writew(0, ip); /* ACK port */
ofsAddr = p->tableAddr;
@@ -1499,16 +1499,17 @@ static int moxa_poll_port(struct moxa_port *p, unsigned int handle,
ofsAddr + HostStat);
if (!inited)
- return 0;
+ goto put;
if (tty && (intr & IntrBreak) && !I_IGNBRK(tty)) { /* BREAK */
tty_insert_flip_char(tty, 0, TTY_BREAK);
tty_schedule_flip(tty);
}
- tty_kref_put(tty);
if (intr & IntrLine)
moxa_new_dcdstate(p, readb(ofsAddr + FlagStat) & DCD_state);
+put:
+ tty_kref_put(tty);
return 0;
}
diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index 402c9f217f8..a420e8d437d 100644
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -820,7 +820,6 @@ static void mxser_check_modem_status(struct tty_struct *tty,
wake_up_interruptible(&port->port.open_wait);
}
- tty = tty_port_tty_get(&port->port);
if (port->port.flags & ASYNC_CTS_FLOW) {
if (tty->hw_stopped) {
if (status & UART_MSR_CTS) {
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 7c43ae782b2..f824ef8a927 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -1488,7 +1488,8 @@ static void rekey_seq_generator(struct work_struct *work)
keyptr->count = (ip_cnt & COUNT_MASK) << HASH_BITS;
smp_wmb();
ip_cnt++;
- schedule_delayed_work(&rekey_work, REKEY_INTERVAL);
+ schedule_delayed_work(&rekey_work,
+ round_jiffies_relative(REKEY_INTERVAL));
}
static inline struct keydata *get_keyptr(void)
diff --git a/drivers/char/rio/rio_linux.c b/drivers/char/rio/rio_linux.c
index 2e8a6eed34b..ce81da5b2da 100644
--- a/drivers/char/rio/rio_linux.c
+++ b/drivers/char/rio/rio_linux.c
@@ -333,7 +333,7 @@ void rio_copy_to_card(void *from, void __iomem *to, int len)
int rio_minor(struct tty_struct *tty)
{
- return tty->index + (tty->driver == rio_driver) ? 0 : 256;
+ return tty->index + ((tty->driver == rio_driver) ? 0 : 256);
}
static int rio_set_real_termios(void *ptr)
diff --git a/drivers/char/riscom8.c b/drivers/char/riscom8.c
index 9af8d74875b..21766045123 100644
--- a/drivers/char/riscom8.c
+++ b/drivers/char/riscom8.c
@@ -48,6 +48,7 @@
#include <linux/delay.h>
#include <linux/tty_flip.h>
#include <linux/spinlock.h>
+#include <linux/device.h>
#include <linux/uaccess.h>
@@ -1524,6 +1525,7 @@ module_param(iobase2, int, 0);
module_param(iobase3, int, 0);
MODULE_LICENSE("GPL");
+MODULE_ALIAS_CHARDEV_MAJOR(RISCOM8_NORMAL_MAJOR);
#endif /* MODULE */
/*
diff --git a/drivers/char/specialix.c b/drivers/char/specialix.c
index 3c67c3d83de..e72be4190a4 100644
--- a/drivers/char/specialix.c
+++ b/drivers/char/specialix.c
@@ -2365,3 +2365,4 @@ module_init(specialix_init_module);
module_exit(specialix_exit_module);
MODULE_LICENSE("GPL");
+MODULE_ALIAS_CHARDEV_MAJOR(SPECIALIX_NORMAL_MAJOR);
diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c
index 6ec6e13d47d..5e256494686 100644
--- a/drivers/char/synclink_gt.c
+++ b/drivers/char/synclink_gt.c
@@ -298,6 +298,7 @@ struct slgt_info {
unsigned int rbuf_fill_level;
unsigned int if_mode;
+ unsigned int base_clock;
/* device status */
@@ -1156,22 +1157,26 @@ static long set_params32(struct slgt_info *info, struct MGSL_PARAMS32 __user *ne
return -EFAULT;
spin_lock(&info->lock);
- info->params.mode = tmp_params.mode;
- info->params.loopback = tmp_params.loopback;
- info->params.flags = tmp_params.flags;
- info->params.encoding = tmp_params.encoding;
- info->params.clock_speed = tmp_params.clock_speed;
- info->params.addr_filter = tmp_params.addr_filter;
- info->params.crc_type = tmp_params.crc_type;
- info->params.preamble_length = tmp_params.preamble_length;
- info->params.preamble = tmp_params.preamble;
- info->params.data_rate = tmp_params.data_rate;
- info->params.data_bits = tmp_params.data_bits;
- info->params.stop_bits = tmp_params.stop_bits;
- info->params.parity = tmp_params.parity;
+ if (tmp_params.mode == MGSL_MODE_BASE_CLOCK) {
+ info->base_clock = tmp_params.clock_speed;
+ } else {
+ info->params.mode = tmp_params.mode;
+ info->params.loopback = tmp_params.loopback;
+ info->params.flags = tmp_params.flags;
+ info->params.encoding = tmp_params.encoding;
+ info->params.clock_speed = tmp_params.clock_speed;
+ info->params.addr_filter = tmp_params.addr_filter;
+ info->params.crc_type = tmp_params.crc_type;
+ info->params.preamble_length = tmp_params.preamble_length;
+ info->params.preamble = tmp_params.preamble;
+ info->params.data_rate = tmp_params.data_rate;
+ info->params.data_bits = tmp_params.data_bits;
+ info->params.stop_bits = tmp_params.stop_bits;
+ info->params.parity = tmp_params.parity;
+ }
spin_unlock(&info->lock);
- change_params(info);
+ program_hw(info);
return 0;
}
@@ -2559,10 +2564,13 @@ static int set_params(struct slgt_info *info, MGSL_PARAMS __user *new_params)
return -EFAULT;
spin_lock_irqsave(&info->lock, flags);
- memcpy(&info->params, &tmp_params, sizeof(MGSL_PARAMS));
+ if (tmp_params.mode == MGSL_MODE_BASE_CLOCK)
+ info->base_clock = tmp_params.clock_speed;
+ else
+ memcpy(&info->params, &tmp_params, sizeof(MGSL_PARAMS));
spin_unlock_irqrestore(&info->lock, flags);
- change_params(info);
+ program_hw(info);
return 0;
}
@@ -3432,6 +3440,7 @@ static struct slgt_info *alloc_dev(int adapter_num, int port_num, struct pci_dev
info->magic = MGSL_MAGIC;
INIT_WORK(&info->task, bh_handler);
info->max_frame_size = 4096;
+ info->base_clock = 14745600;
info->rbuf_fill_level = DMABUFSIZE;
info->port.close_delay = 5*HZ/10;
info->port.closing_wait = 30*HZ;
@@ -3779,7 +3788,7 @@ static void enable_loopback(struct slgt_info *info)
static void set_rate(struct slgt_info *info, u32 rate)
{
unsigned int div;
- static unsigned int osc = 14745600;
+ unsigned int osc = info->base_clock;
/* div = osc/rate - 1
*
@@ -4083,18 +4092,27 @@ static void async_mode(struct slgt_info *info)
* 06 CTS IRQ enable
* 05 DCD IRQ enable
* 04 RI IRQ enable
- * 03 reserved, must be zero
+ * 03 0=16x sampling, 1=8x sampling
* 02 1=txd->rxd internal loopback enable
* 01 reserved, must be zero
* 00 1=master IRQ enable
*/
val = BIT15 + BIT14 + BIT0;
+ /* JCR[8] : 1 = x8 async mode feature available */
+ if ((rd_reg32(info, JCR) & BIT8) && info->params.data_rate &&
+ ((info->base_clock < (info->params.data_rate * 16)) ||
+ (info->base_clock % (info->params.data_rate * 16)))) {
+ /* use 8x sampling */
+ val |= BIT3;
+ set_rate(info, info->params.data_rate * 8);
+ } else {
+ /* use 16x sampling */
+ set_rate(info, info->params.data_rate * 16);
+ }
wr_reg16(info, SCR, val);
slgt_irq_on(info, IRQ_RXBREAK | IRQ_RXOVER);
- set_rate(info, info->params.data_rate * 16);
-
if (info->params.loopback)
enable_loopback(info);
}
diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c
index ebea9b2c30a..b0a6a3e5192 100644
--- a/drivers/char/sysrq.c
+++ b/drivers/char/sysrq.c
@@ -35,7 +35,6 @@
#include <linux/vt_kern.h>
#include <linux/workqueue.h>
#include <linux/kexec.h>
-#include <linux/interrupt.h>
#include <linux/hrtimer.h>
#include <linux/oom.h>
@@ -283,7 +282,7 @@ static void sysrq_ftrace_dump(int key, struct tty_struct *tty)
}
static struct sysrq_key_op sysrq_ftrace_dump_op = {
.handler = sysrq_ftrace_dump,
- .help_msg = "dumpZ-ftrace-buffer",
+ .help_msg = "dump-ftrace-buffer(Z)",
.action_msg = "Dump ftrace buffer",
.enable_mask = SYSRQ_ENABLE_DUMP,
};
diff --git a/drivers/char/tty_audit.c b/drivers/char/tty_audit.c
index 34ab6d798f8..55ba6f14288 100644
--- a/drivers/char/tty_audit.c
+++ b/drivers/char/tty_audit.c
@@ -10,8 +10,6 @@
*/
#include <linux/audit.h>
-#include <linux/file.h>
-#include <linux/fdtable.h>
#include <linux/tty.h>
struct tty_audit_buf {
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index 33dac94922a..66b99a2049e 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -1758,7 +1758,7 @@ static int __tty_open(struct inode *inode, struct file *filp)
struct tty_driver *driver;
int index;
dev_t device = inode->i_rdev;
- unsigned short saved_flags = filp->f_flags;
+ unsigned saved_flags = filp->f_flags;
nonseekable_open(inode, filp);
@@ -2681,7 +2681,7 @@ void __do_SAK(struct tty_struct *tty)
/* Kill the entire session */
do_each_pid_task(session, PIDTYPE_SID, p) {
printk(KERN_NOTICE "SAK: killed process %d"
- " (%s): task_session_nr(p)==tty->session\n",
+ " (%s): task_session(p)==tty->session\n",
task_pid_nr(p), p->comm);
send_sig(SIGKILL, p, 1);
} while_each_pid_task(session, PIDTYPE_SID, p);
@@ -2691,7 +2691,7 @@ void __do_SAK(struct tty_struct *tty)
do_each_thread(g, p) {
if (p->signal->tty == tty) {
printk(KERN_NOTICE "SAK: killed process %d"
- " (%s): task_session_nr(p)==tty->session\n",
+ " (%s): task_session(p)==tty->session\n",
task_pid_nr(p), p->comm);
send_sig(SIGKILL, p, 1);
continue;
diff --git a/drivers/char/tty_ldisc.c b/drivers/char/tty_ldisc.c
index 7a84b406a95..f78f5b0127a 100644
--- a/drivers/char/tty_ldisc.c
+++ b/drivers/char/tty_ldisc.c
@@ -10,7 +10,6 @@
#include <linux/tty_flip.h>
#include <linux/devpts_fs.h>
#include <linux/file.h>
-#include <linux/fdtable.h>
#include <linux/console.h>
#include <linux/timer.h>
#include <linux/ctype.h>
diff --git a/drivers/char/vt.c b/drivers/char/vt.c
index 2c1d133819b..08151d4de48 100644
--- a/drivers/char/vt.c
+++ b/drivers/char/vt.c
@@ -2274,7 +2274,7 @@ rescan_last_byte:
continue; /* nothing to display */
}
/* Glyph not found */
- if ((!(vc->vc_utf && !vc->vc_disp_ctrl) && c < 128) && !(c & ~charmask)) {
+ if ((!(vc->vc_utf && !vc->vc_disp_ctrl) || c < 128) && !(c & ~charmask)) {
/* In legacy mode use the glyph we get by a 1:1 mapping.
This would make absolutely no sense with Unicode in mind,
but do this for ASCII characters since a font may lack
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-02-28 02:45:24 +0000