[-mm PATCH 15/32] drivers/acpi: fix-up schedule_timeout() usage

[-mm PATCH 15/32] drivers/acpi: fix-up schedule_timeout() usage

[Nishanth Aravamudan]

Description: Use schedule_timeout_interruptible() instead of
set_current_state()/schedule_timeout() to reduce kernel size. Also use
msecs_to_jiffies() instead of direct HZ division to avoid rounding
errors.

Signed-off-by: Nishanth Aravamudan <nacc-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>

---

 drivers/acpi/osl.c |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)

diff -urpN 2.6.13-rc5-mm1/drivers/acpi/osl.c 2.6.13-rc5-mm1-dev/drivers/acpi/osl.c
--- 2.6.13-rc5-mm1/drivers/acpi/osl.c	2005-08-07 10:05:19.000000000 -0700
+++ 2.6.13-rc5-mm1-dev/drivers/acpi/osl.c	2005-08-12 13:20:41.000000000 -0700
@@ -315,8 +315,7 @@ acpi_status acpi_os_remove_interrupt_han
 
 void acpi_os_sleep(acpi_integer ms)
 {
-	current->state = TASK_INTERRUPTIBLE;
-	schedule_timeout(((signed long)ms * HZ) / 1000);
+	schedule_timeout_interruptible(msecs_to_jiffies(ms));
 }
 
 EXPORT_SYMBOL(acpi_os_sleep);
@@ -866,8 +865,7 @@ acpi_status acpi_os_wait_semaphore(acpi_
 
 			ret = down_trylock(sem);
 			for (i = timeout; (i > 0 && ret < 0); i -= quantum_ms) {
-				current->state = TASK_INTERRUPTIBLE;
-				schedule_timeout(1);
+				schedule_timeout_interruptible(1);
 				ret = down_trylock(sem);
 			}
 


-------------------------------------------------------
SF.Net email is Sponsored by the Better Software Conference & EXPO
September 19-22, 2005 * San Francisco, CA * Development Lifecycle Practices
Agile & Plan-Driven Development * Managing Projects & Teams * Testing & QA
Security * Process Improvement & Measurement * http://www.sqe.com/bsce5sf