diff options
| author | Mikael Starvik <mikael.starvik@axis.com> | 2005-07-27 22:44:34 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-07-28 03:25:59 +0400 |
| commit | 7e9204265b4ec6680fad9abc7a78b94087983916 (patch) | |
| tree | 50ff709f7d37193bb56599a4e1646509d8e353ff /arch/cris/arch-v10/drivers/eeprom.c | |
| parent | 059163cabc01a15b9e2cf10e5de5b6dc06e0da1f (diff) | |
| download | linux-7e9204265b4ec6680fad9abc7a78b94087983916.tar.xz | |
[PATCH] CRIS update: drivers
Updates to device drivers.
* Use I/O and DMA allocators.
* Use wait_event_interruptible instead of interrutiple_sleep_on.
* Added spinlocks SMP.
* Changed restore_flags to local_irq_restore etc.
* Updated IDE driver include to fit 2.6.12.
Signed-off-by: Mikael Starvik <starvik@axis.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/cris/arch-v10/drivers/eeprom.c')
| -rw-r--r-- | arch/cris/arch-v10/drivers/eeprom.c | 29 |
1 files changed, 14 insertions, 15 deletions
diff --git a/arch/cris/arch-v10/drivers/eeprom.c b/arch/cris/arch-v10/drivers/eeprom.c index 316ca15d6802..512f16dec060 100644 --- a/arch/cris/arch-v10/drivers/eeprom.c +++ b/arch/cris/arch-v10/drivers/eeprom.c @@ -20,6 +20,12 @@ *! in the spin-lock. *! *! $Log: eeprom.c,v $ +*! Revision 1.12 2005/06/19 17:06:46 starvik +*! Merge of Linux 2.6.12. +*! +*! Revision 1.11 2005/01/26 07:14:46 starvik +*! Applied diff from kernel janitors (Nish Aravamudan). +*! *! Revision 1.10 2003/09/11 07:29:48 starvik *! Merge of Linux 2.6.0-test5 *! @@ -94,6 +100,7 @@ #include <linux/init.h> #include <linux/delay.h> #include <linux/interrupt.h> +#include <linux/wait.h> #include <asm/uaccess.h> #include "i2c.h" @@ -526,15 +533,10 @@ static ssize_t eeprom_read(struct file * file, char * buf, size_t count, loff_t return -EFAULT; } - while(eeprom.busy) - { - interruptible_sleep_on(&eeprom.wait_q); + wait_event_interruptible(eeprom.wait_q, !eeprom.busy); + if (signal_pending(current)) + return -EINTR; - /* bail out if we get interrupted */ - if (signal_pending(current)) - return -EINTR; - - } eeprom.busy++; page = (unsigned char) (p >> 8); @@ -604,13 +606,10 @@ static ssize_t eeprom_write(struct file * file, const char * buf, size_t count, return -EFAULT; } - while(eeprom.busy) - { - interruptible_sleep_on(&eeprom.wait_q); - /* bail out if we get interrupted */ - if (signal_pending(current)) - return -EINTR; - } + wait_event_interruptible(eeprom.wait_q, !eeprom.busy); + /* bail out if we get interrupted */ + if (signal_pending(current)) + return -EINTR; eeprom.busy++; for(i = 0; (i < EEPROM_RETRIES) && (restart > 0); i++) { |