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

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@us.ibm.com>
Cc: "Brown, Len" <len.brown@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Nishanth Aravamudan 2005-11-07 01:01:14 -08:00 committed by Linus Torvalds
parent bc874d174b
commit 01a527ec7c
1 changed files with 2 additions and 4 deletions
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6
drivers/acpi/osl.c
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@ -313,8 +313,7 @@ acpi_status acpi_os_remove_interrupt_handler(u32 irq, acpi_osd_handler handler)
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);
@ -838,8 +837,7 @@ acpi_status acpi_os_wait_semaphore(acpi_handle handle, u32 units, u16 timeout)
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);
}