diff options
| author | Santosh Shilimkar <[email protected]> | 2014-05-12 17:37:59 -0400 |
|---|---|---|
| committer | Tony Lindgren <[email protected]> | 2014-05-19 11:20:38 -0700 |
| commit | 4b353a706a86598ba47307c47301c3c428b79e09 (patch) | |
| tree | 85f4ef52c2d983c61a850c6676c3d4ed05174efe /arch/mips/include/asm/mach-netlogic/multi-node.h | |
| parent | 9ce2482fc6b22709df087d4a8387b67893176312 (diff) | |
ARM: OMAP4: Fix the boot regression with CPU_IDLE enabled
On OMAP4 panda board, there have been several bug reports about boot
hang and lock-ups with CPU_IDLE enabled. The root cause of the issue
is missing interrupts while in idle state. Commit cb7094e8 {cpuidle / omap4 :
use CPUIDLE_FLAG_TIMER_STOP flag} moved the broadcast notifiers to common
code for right reasons but on OMAP4 which suffers from a nasty ROM code
bug with GIC, commit ff999b8a {ARM: OMAP4460: Workaround for ROM bug ..},
we loose interrupts which leads to issues like lock-up, hangs etc.
Patch reverts commit cb7094 {cpuidle / omap4 : use CPUIDLE_FLAG_TIMER_STOP
flag} and 54769d6 {cpuidle: OMAP4: remove timer broadcast initialization} to
avoid the issue. With this change, OMAP4 panda boards, the mentioned
issues are getting fixed. We no longer loose interrupts which was the cause
of the regression.
Fixes: cb7094e8 (cpuidle / omap4 : use CPUIDLE_FLAG_TIMER_STOP flag)
Fixes: ff999b8a (cpuidle: OMAP4: remove timer broadcast initialization)
Cc: [email protected] # v3.9+
Cc: Roger Quadros <[email protected]>
Cc: Kevin Hilman <[email protected]>
Cc: Tony Lindgren <[email protected]>
Cc: Daniel Lezcano <[email protected]>
Reported-tested-by: Roger Quadros <[email protected]>
Reported-tested-by: Kevin Hilman <[email protected]>
Tested-by: Tony Lindgren <[email protected]>
Signed-off-by: Santosh Shilimkar <[email protected]>
Signed-off-by: Tony Lindgren <[email protected]>
Diffstat (limited to 'arch/mips/include/asm/mach-netlogic/multi-node.h')
0 files changed, 0 insertions, 0 deletions