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-rw-r--r--drivers/char/Kconfig2
-rw-r--r--drivers/char/pcmcia/cm4000_cs.c2
-rw-r--r--drivers/char/pcmcia/cm4040_cs.c2
-rw-r--r--drivers/char/random.c6
-rw-r--r--drivers/char/rtc.c52
-rw-r--r--drivers/char/sonypi.c8
-rw-r--r--drivers/char/tpm/tpm_tis.c10
-rw-r--r--drivers/char/tty_ioctl.c170
8 files changed, 159 insertions, 93 deletions
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index bf18d757b876..a509b8d79781 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -457,7 +457,7 @@ config LEGACY_PTYS
config LEGACY_PTY_COUNT
int "Maximum number of legacy PTY in use"
depends on LEGACY_PTYS
- range 1 256
+ range 0 256
default "256"
---help---
The maximum number of legacy PTYs that can be used at any one time.
diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c
index cc5d77797def..02518da6a386 100644
--- a/drivers/char/pcmcia/cm4000_cs.c
+++ b/drivers/char/pcmcia/cm4000_cs.c
@@ -47,7 +47,7 @@
/* #define ATR_CSUM */
#ifdef PCMCIA_DEBUG
-#define reader_to_dev(x) (&handle_to_dev(x->p_dev->handle))
+#define reader_to_dev(x) (&handle_to_dev(x->p_dev))
static int pc_debug = PCMCIA_DEBUG;
module_param(pc_debug, int, 0600);
#define DEBUGP(n, rdr, x, args...) do { \
diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c
index a0b9c8728d56..5f291bf739a6 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->p_dev->handle))
+#define reader_to_dev(x) (&handle_to_dev(x->p_dev))
static int pc_debug = PCMCIA_DEBUG;
module_param(pc_debug, int, 0600);
#define DEBUGP(n, rdr, x, args...) do { \
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 1756b1f7cb72..5fee05661823 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -1494,7 +1494,7 @@ __u32 secure_tcpv6_sequence_number(__be32 *saddr, __be32 *daddr,
seq = twothirdsMD4Transform((const __u32 *)daddr, hash) & HASH_MASK;
seq += keyptr->count;
- seq += ktime_get_real().tv64;
+ seq += ktime_to_ns(ktime_get_real());
return seq;
}
@@ -1556,7 +1556,7 @@ __u32 secure_tcp_sequence_number(__be32 saddr, __be32 daddr,
* overlaps less than one time per MSL (2 minutes).
* Choosing a clock of 64 ns period is OK. (period of 274 s)
*/
- seq += ktime_get_real().tv64 >> 6;
+ seq += ktime_to_ns(ktime_get_real()) >> 6;
#if 0
printk("init_seq(%lx, %lx, %d, %d) = %d\n",
saddr, daddr, sport, dport, seq);
@@ -1616,7 +1616,7 @@ u64 secure_dccp_sequence_number(__be32 saddr, __be32 daddr,
seq = half_md4_transform(hash, keyptr->secret);
seq |= ((u64)keyptr->count) << (32 - HASH_BITS);
- seq += ktime_get_real().tv64;
+ seq += ktime_to_ns(ktime_get_real());
seq &= (1ull << 48) - 1;
#if 0
printk("dccp init_seq(%lx, %lx, %d, %d) = %d\n",
diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c
index ec6b65ec69ea..0c66b802736a 100644
--- a/drivers/char/rtc.c
+++ b/drivers/char/rtc.c
@@ -918,6 +918,31 @@ static const struct file_operations rtc_proc_fops = {
};
#endif
+static resource_size_t rtc_size;
+
+static struct resource * __init rtc_request_region(resource_size_t size)
+{
+ struct resource *r;
+
+ if (RTC_IOMAPPED)
+ r = request_region(RTC_PORT(0), size, "rtc");
+ else
+ r = request_mem_region(RTC_PORT(0), size, "rtc");
+
+ if (r)
+ rtc_size = size;
+
+ return r;
+}
+
+static void rtc_release_region(void)
+{
+ if (RTC_IOMAPPED)
+ release_region(RTC_PORT(0), rtc_size);
+ else
+ release_mem_region(RTC_PORT(0), rtc_size);
+}
+
static int __init rtc_init(void)
{
#ifdef CONFIG_PROC_FS
@@ -968,10 +993,17 @@ found:
}
no_irq:
#else
- if (RTC_IOMAPPED)
- r = request_region(RTC_PORT(0), RTC_IO_EXTENT, "rtc");
- else
- r = request_mem_region(RTC_PORT(0), RTC_IO_EXTENT, "rtc");
+ r = rtc_request_region(RTC_IO_EXTENT);
+
+ /*
+ * If we've already requested a smaller range (for example, because
+ * PNPBIOS or ACPI told us how the device is configured), the request
+ * above might fail because it's too big.
+ *
+ * If so, request just the range we actually use.
+ */
+ if (!r)
+ r = rtc_request_region(RTC_IO_EXTENT_USED);
if (!r) {
#ifdef RTC_IRQ
rtc_has_irq = 0;
@@ -992,10 +1024,7 @@ no_irq:
/* Yeah right, seeing as irq 8 doesn't even hit the bus. */
rtc_has_irq = 0;
printk(KERN_ERR "rtc: IRQ %d is not free.\n", RTC_IRQ);
- if (RTC_IOMAPPED)
- release_region(RTC_PORT(0), RTC_IO_EXTENT);
- else
- release_mem_region(RTC_PORT(0), RTC_IO_EXTENT);
+ rtc_release_region();
return -EIO;
}
hpet_rtc_timer_init();
@@ -1009,7 +1038,7 @@ no_irq:
free_irq(RTC_IRQ, NULL);
rtc_has_irq = 0;
#endif
- release_region(RTC_PORT(0), RTC_IO_EXTENT);
+ rtc_release_region();
return -ENODEV;
}
@@ -1091,10 +1120,7 @@ static void __exit rtc_exit (void)
if (rtc_has_irq)
free_irq (rtc_irq, &rtc_port);
#else
- if (RTC_IOMAPPED)
- release_region(RTC_PORT(0), RTC_IO_EXTENT);
- else
- release_mem_region(RTC_PORT(0), RTC_IO_EXTENT);
+ rtc_release_region();
#ifdef RTC_IRQ
if (rtc_has_irq)
free_irq (RTC_IRQ, NULL);
diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c
index 877e53dcb996..921c6d2bc8fc 100644
--- a/drivers/char/sonypi.c
+++ b/drivers/char/sonypi.c
@@ -1163,7 +1163,7 @@ static struct acpi_driver sonypi_acpi_driver = {
};
#endif
-static int __devinit sonypi_create_input_devices(void)
+static int __devinit sonypi_create_input_devices(struct platform_device *pdev)
{
struct input_dev *jog_dev;
struct input_dev *key_dev;
@@ -1177,6 +1177,7 @@ static int __devinit sonypi_create_input_devices(void)
jog_dev->name = "Sony Vaio Jogdial";
jog_dev->id.bustype = BUS_ISA;
jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
+ jog_dev->dev.parent = &pdev->dev;
jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
@@ -1191,6 +1192,7 @@ static int __devinit sonypi_create_input_devices(void)
key_dev->name = "Sony Vaio Keys";
key_dev->id.bustype = BUS_ISA;
key_dev->id.vendor = PCI_VENDOR_ID_SONY;
+ key_dev->dev.parent = &pdev->dev;
/* Initialize the Input Drivers: special keys */
key_dev->evbit[0] = BIT_MASK(EV_KEY);
@@ -1385,7 +1387,7 @@ static int __devinit sonypi_probe(struct platform_device *dev)
if (useinput) {
- error = sonypi_create_input_devices();
+ error = sonypi_create_input_devices(dev);
if (error) {
printk(KERN_ERR
"sonypi: failed to create input devices\n");
@@ -1432,7 +1434,7 @@ static int __devexit sonypi_remove(struct platform_device *dev)
{
sonypi_disable();
- synchronize_sched(); /* Allow sonypi interrupt to complete. */
+ synchronize_irq(sonypi_device.irq);
flush_scheduled_work();
if (useinput) {
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index fd771a4d6d18..81503d94fecc 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -450,6 +450,11 @@ static int tpm_tis_init(struct device *dev, resource_size_t start,
goto out_err;
}
+ if (request_locality(chip, 0) != 0) {
+ rc = -ENODEV;
+ goto out_err;
+ }
+
vendor = ioread32(chip->vendor.iobase + TPM_DID_VID(0));
/* Default timeouts */
@@ -487,11 +492,6 @@ static int tpm_tis_init(struct device *dev, resource_size_t start,
if (intfcaps & TPM_INTF_DATA_AVAIL_INT)
dev_dbg(dev, "\tData Avail Int Support\n");
- if (request_locality(chip, 0) != 0) {
- rc = -ENODEV;
- goto out_err;
- }
-
/* INTERRUPT Setup */
init_waitqueue_head(&chip->vendor.read_queue);
init_waitqueue_head(&chip->vendor.int_queue);
diff --git a/drivers/char/tty_ioctl.c b/drivers/char/tty_ioctl.c
index 7a003504c265..1bdd2bf4f37d 100644
--- a/drivers/char/tty_ioctl.c
+++ b/drivers/char/tty_ioctl.c
@@ -730,13 +730,23 @@ static int send_prio_char(struct tty_struct *tty, char ch)
return 0;
}
-int n_tty_ioctl(struct tty_struct * tty, struct file * file,
- unsigned int cmd, unsigned long arg)
+/**
+ * tty_mode_ioctl - mode related ioctls
+ * @tty: tty for the ioctl
+ * @file: file pointer for the tty
+ * @cmd: command
+ * @arg: ioctl argument
+ *
+ * Perform non line discipline specific mode control ioctls. This
+ * is designed to be called by line disciplines to ensure they provide
+ * consistent mode setting.
+ */
+
+int tty_mode_ioctl(struct tty_struct * tty, struct file *file,
+ unsigned int cmd, unsigned long arg)
{
struct tty_struct * real_tty;
void __user *p = (void __user *)arg;
- int retval;
- struct tty_ldisc *ld;
if (tty->driver->type == TTY_DRIVER_TYPE_PTY &&
tty->driver->subtype == PTY_TYPE_MASTER)
@@ -799,6 +809,93 @@ int n_tty_ioctl(struct tty_struct * tty, struct file * file,
return set_termios(real_tty, p, TERMIOS_WAIT | TERMIOS_TERMIO);
case TCSETA:
return set_termios(real_tty, p, TERMIOS_TERMIO);
+#ifndef TCGETS2
+ case TIOCGLCKTRMIOS:
+ if (kernel_termios_to_user_termios((struct termios __user *)arg, real_tty->termios_locked))
+ return -EFAULT;
+ return 0;
+
+ case TIOCSLCKTRMIOS:
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+ if (user_termios_to_kernel_termios(real_tty->termios_locked, (struct termios __user *) arg))
+ return -EFAULT;
+ return 0;
+#else
+ case TIOCGLCKTRMIOS:
+ if (kernel_termios_to_user_termios_1((struct termios __user *)arg, real_tty->termios_locked))
+ return -EFAULT;
+ return 0;
+
+ case TIOCSLCKTRMIOS:
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+ if (user_termios_to_kernel_termios_1(real_tty->termios_locked, (struct termios __user *) arg))
+ return -EFAULT;
+ return 0;
+#endif
+ case TIOCGSOFTCAR:
+ return put_user(C_CLOCAL(tty) ? 1 : 0, (int __user *)arg);
+ case TIOCSSOFTCAR:
+ if (get_user(arg, (unsigned int __user *) arg))
+ return -EFAULT;
+ mutex_lock(&tty->termios_mutex);
+ tty->termios->c_cflag =
+ ((tty->termios->c_cflag & ~CLOCAL) |
+ (arg ? CLOCAL : 0));
+ mutex_unlock(&tty->termios_mutex);
+ return 0;
+ default:
+ return -ENOIOCTLCMD;
+ }
+}
+
+EXPORT_SYMBOL_GPL(tty_mode_ioctl);
+
+int tty_perform_flush(struct tty_struct *tty, unsigned long arg)
+{
+ struct tty_ldisc *ld;
+ int retval = tty_check_change(tty);
+ if (retval)
+ return retval;
+
+ ld = tty_ldisc_ref(tty);
+ switch (arg) {
+ case TCIFLUSH:
+ if (ld && ld->flush_buffer)
+ ld->flush_buffer(tty);
+ break;
+ case TCIOFLUSH:
+ if (ld && ld->flush_buffer)
+ ld->flush_buffer(tty);
+ /* fall through */
+ case TCOFLUSH:
+ if (tty->driver->flush_buffer)
+ tty->driver->flush_buffer(tty);
+ break;
+ default:
+ tty_ldisc_deref(ld);
+ return -EINVAL;
+ }
+ tty_ldisc_deref(ld);
+ return 0;
+}
+
+EXPORT_SYMBOL_GPL(tty_perform_flush);
+
+int n_tty_ioctl(struct tty_struct * tty, struct file * file,
+ unsigned int cmd, unsigned long arg)
+{
+ struct tty_struct * real_tty;
+ int retval;
+
+ if (tty->driver->type == TTY_DRIVER_TYPE_PTY &&
+ tty->driver->subtype == PTY_TYPE_MASTER)
+ real_tty = tty->link;
+ else
+ real_tty = tty;
+
+ switch (cmd) {
case TCXONC:
retval = tty_check_change(tty);
if (retval)
@@ -829,30 +926,7 @@ int n_tty_ioctl(struct tty_struct * tty, struct file * file,
}
return 0;
case TCFLSH:
- retval = tty_check_change(tty);
- if (retval)
- return retval;
-
- ld = tty_ldisc_ref(tty);
- switch (arg) {
- case TCIFLUSH:
- if (ld && ld->flush_buffer)
- ld->flush_buffer(tty);
- break;
- case TCIOFLUSH:
- if (ld && ld->flush_buffer)
- ld->flush_buffer(tty);
- /* fall through */
- case TCOFLUSH:
- if (tty->driver->flush_buffer)
- tty->driver->flush_buffer(tty);
- break;
- default:
- tty_ldisc_deref(ld);
- return -EINVAL;
- }
- tty_ldisc_deref(ld);
- return 0;
+ return tty_perform_flush(tty, arg);
case TIOCOUTQ:
return put_user(tty->driver->chars_in_buffer ?
tty->driver->chars_in_buffer(tty) : 0,
@@ -862,32 +936,6 @@ int n_tty_ioctl(struct tty_struct * tty, struct file * file,
if (L_ICANON(tty))
retval = inq_canon(tty);
return put_user(retval, (unsigned int __user *) arg);
-#ifndef TCGETS2
- case TIOCGLCKTRMIOS:
- if (kernel_termios_to_user_termios((struct termios __user *)arg, real_tty->termios_locked))
- return -EFAULT;
- return 0;
-
- case TIOCSLCKTRMIOS:
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
- if (user_termios_to_kernel_termios(real_tty->termios_locked, (struct termios __user *) arg))
- return -EFAULT;
- return 0;
-#else
- case TIOCGLCKTRMIOS:
- if (kernel_termios_to_user_termios_1((struct termios __user *)arg, real_tty->termios_locked))
- return -EFAULT;
- return 0;
-
- case TIOCSLCKTRMIOS:
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
- if (user_termios_to_kernel_termios_1(real_tty->termios_locked, (struct termios __user *) arg))
- return -EFAULT;
- return 0;
-#endif
-
case TIOCPKT:
{
int pktmode;
@@ -906,19 +954,9 @@ int n_tty_ioctl(struct tty_struct * tty, struct file * file,
tty->packet = 0;
return 0;
}
- case TIOCGSOFTCAR:
- return put_user(C_CLOCAL(tty) ? 1 : 0, (int __user *)arg);
- case TIOCSSOFTCAR:
- if (get_user(arg, (unsigned int __user *) arg))
- return -EFAULT;
- mutex_lock(&tty->termios_mutex);
- tty->termios->c_cflag =
- ((tty->termios->c_cflag & ~CLOCAL) |
- (arg ? CLOCAL : 0));
- mutex_unlock(&tty->termios_mutex);
- return 0;
default:
- return -ENOIOCTLCMD;
+ /* Try the mode commands */
+ return tty_mode_ioctl(tty, file, cmd, arg);
}
}
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-09 10:36:42 +0300