r4125 - branches/src/target/kernel/2.6.24.x/patches
werner at sita.openmoko.org
werner at sita.openmoko.org
Thu Feb 28 05:20:43 CET 2008
Author: werner
Date: 2008-02-28 05:20:40 +0100 (Thu, 28 Feb 2008)
New Revision: 4125
Added:
branches/src/target/kernel/2.6.24.x/patches/resume-timers-wq.patch
Log:
Oops, forgot to add the actual patch.
Added: branches/src/target/kernel/2.6.24.x/patches/resume-timers-wq.patch
===================================================================
--- branches/src/target/kernel/2.6.24.x/patches/resume-timers-wq.patch 2008-02-28 04:12:43 UTC (rev 4124)
+++ branches/src/target/kernel/2.6.24.x/patches/resume-timers-wq.patch 2008-02-28 04:20:40 UTC (rev 4125)
@@ -0,0 +1,35 @@
+The initialization of clocks uses mutexes, but we execute the resume in
+an interrupt context. We therefore have to hand this task to a non-interrupt.
+
+Adapted from a patch by Andy Green.
+
+Index: linux-2.6.24/arch/arm/plat-s3c24xx/time.c
+===================================================================
+--- linux-2.6.24.orig/arch/arm/plat-s3c24xx/time.c
++++ linux-2.6.24/arch/arm/plat-s3c24xx/time.c
+@@ -255,8 +255,24 @@ static void __init s3c2410_timer_init (v
+ setup_irq(IRQ_TIMER4, &s3c2410_timer_irq);
+ }
+
++static void s3c2410_timer_resume_work(struct work_struct *work)
++{
++ s3c2410_timer_setup();
++}
++
++static void s3c2410_timer_resume(void)
++{
++ static DECLARE_WORK(work, s3c2410_timer_resume_work);
++ int res;
++
++ res = schedule_work(&work);
++ if (!res)
++ printk(KERN_ERR
++ "s3c2410_timer_resume_work already queued ???\n");
++}
++
+ struct sys_timer s3c24xx_timer = {
+ .init = s3c2410_timer_init,
+ .offset = s3c2410_gettimeoffset,
+- .resume = s3c2410_timer_setup
++ .resume = s3c2410_timer_resume,
+ };
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