This patch is temporary fix to below crash. This is observed when CPU is clocked more than 600 MHz. Unhandled fault: imprecise external abort (0x1406) at 0xbf9ef65c Internal error: : 1406 [#1] PREEMPT SMP last sysfs file: Modules linked in: CPU: 0 Not tainted (2.6.36-rc3+ #18) PC is at kernel_thread_helper+0x0/0x14 LR is at kernel_thread_helper+0x0/0x14 pc : [<c003ce14>] lr : [<c003ce14>] psr: 00000093 sp : dc83bff8 ip : 00000000 fp : 00000000 r10: 00000000 r9 : 00000000 r8 : 00000000 r7 : 00000013 r6 : c003ce28 r5 : c008935c r4 : 00000000 r3 : 00000000 r2 : 00000000 r1 : 00000000 r0 : 00000000 Flags: nzcv IRQs off FIQs on Mode SVC_32 ISA ARM Segment kernel Control: 10c53c7f Table: 8000404a DAC: 00000017 Process swapper (pid: 2, stack limit = 0xdc83a2f0) Stack: (0xdc83bff8 to 0xdc83c000) bfe0: 00000000 ffffffff [<c003ce14>] (kernel_thread_helper+0x0/0x14) from [<fffffffe>] (0xfffffffe) Code: c03a0ba3 c03a5fcb c045c880 c0394035 (eb017701) ---[ end trace 1b75b31a2719ed1c ]--- The timer hwmod adaptation will eventually fix it in a proper way. Signed-off-by: Rajendra Nayak <rnayak@xxxxxx> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@xxxxxx> --- arch/arm/plat-omap/dmtimer.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c index 44bafda..1d706cf 100644 --- a/arch/arm/plat-omap/dmtimer.c +++ b/arch/arm/plat-omap/dmtimer.c @@ -581,7 +581,7 @@ int omap_dm_timer_set_source(struct omap_dm_timer *timer, int source) * When the functional clock disappears, too quick writes seem * to cause an abort. XXX Is this still necessary? */ - __delay(150000); + __delay(300000); return ret; } -- 1.6.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
