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authorPaul Mundt <lethal@linux-sh.org>2010-07-05 02:46:08 -0400
committerPaul Mundt <lethal@linux-sh.org>2010-07-05 02:46:08 -0400
commit285eba57db7bd7d7c3c5929fb8621fdcaaea1b00 (patch)
treea9e7f0563cef296b24c53b20dbb388ec5c210172 /arch/cris/arch-v10/drivers/pcf8563.c
parent1c14e6cecb1811543b1016f27e5d308fbea8c08a (diff)
parent815c4163b6c8ebf8152f42b0a5fd015cfdcedc78 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: include/linux/serial_sci.h Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/cris/arch-v10/drivers/pcf8563.c')
-rw-r--r--arch/cris/arch-v10/drivers/pcf8563.c19
1 files changed, 15 insertions, 4 deletions
diff --git a/arch/cris/arch-v10/drivers/pcf8563.c b/arch/cris/arch-v10/drivers/pcf8563.c
index 1e90c1a9c849..7dcb1f85f42b 100644
--- a/arch/cris/arch-v10/drivers/pcf8563.c
+++ b/arch/cris/arch-v10/drivers/pcf8563.c
@@ -27,6 +27,7 @@
27#include <linux/delay.h> 27#include <linux/delay.h>
28#include <linux/bcd.h> 28#include <linux/bcd.h>
29#include <linux/mutex.h> 29#include <linux/mutex.h>
30#include <linux/smp_lock.h>
30 31
31#include <asm/uaccess.h> 32#include <asm/uaccess.h>
32#include <asm/system.h> 33#include <asm/system.h>
@@ -53,7 +54,7 @@ static DEFINE_MUTEX(rtc_lock); /* Protect state etc */
53static const unsigned char days_in_month[] = 54static const unsigned char days_in_month[] =
54 { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }; 55 { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
55 56
56int pcf8563_ioctl(struct inode *, struct file *, unsigned int, unsigned long); 57static long pcf8563_unlocked_ioctl(struct file *, unsigned int, unsigned long);
57 58
58/* Cache VL bit value read at driver init since writing the RTC_SECOND 59/* Cache VL bit value read at driver init since writing the RTC_SECOND
59 * register clears the VL status. 60 * register clears the VL status.
@@ -62,7 +63,7 @@ static int voltage_low;
62 63
63static const struct file_operations pcf8563_fops = { 64static const struct file_operations pcf8563_fops = {
64 .owner = THIS_MODULE, 65 .owner = THIS_MODULE,
65 .ioctl = pcf8563_ioctl, 66 .unlocked_ioctl = pcf8563_unlocked_ioctl,
66}; 67};
67 68
68unsigned char 69unsigned char
@@ -212,8 +213,7 @@ pcf8563_exit(void)
212 * ioctl calls for this driver. Why return -ENOTTY upon error? Because 213 * ioctl calls for this driver. Why return -ENOTTY upon error? Because
213 * POSIX says so! 214 * POSIX says so!
214 */ 215 */
215int pcf8563_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, 216static int pcf8563_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
216 unsigned long arg)
217{ 217{
218 /* Some sanity checks. */ 218 /* Some sanity checks. */
219 if (_IOC_TYPE(cmd) != RTC_MAGIC) 219 if (_IOC_TYPE(cmd) != RTC_MAGIC)
@@ -339,6 +339,17 @@ int pcf8563_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
339 return 0; 339 return 0;
340} 340}
341 341
342static long pcf8563_unlocked_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
343{
344 int ret;
345
346 lock_kernel();
347 return pcf8563_ioctl(filp, cmd, arg);
348 unlock_kernel();
349
350 return ret;
351}
352
342static int __init pcf8563_register(void) 353static int __init pcf8563_register(void)
343{ 354{
344 if (pcf8563_init() < 0) { 355 if (pcf8563_init() < 0) {