[PATCH v2] ARM: OMAP4460: cpuidle: Extend PM_OMAP4_ROM_SMP_BOOT_ERRATUM_GICD on cpuidle

Tony Lindgren tony at atomide.com
Thu Nov 14 13:35:36 EST 2013


* Grygorii Strashko <grygorii.strashko at ti.com> [131022 12:09]:
> The same workaround as ff999b8a0983ee15668394ed49e38d3568fc6859
> "ARM: OMAP4460: Workaround for ROM bug because of CA9 r2pX GIC ..."
> need to be applied not only when system is booting, but when MPUSS hits
> OSWR state through CPUIdle too. Without this WA the same issue is
> reproduced now on boards PandaES and Tablet/Blaze with SOM OMAP4460
> when CONFIG_CPU_IDLE is enabled.
> After MPUSS has enterred OSWR and waken up:
> - GIC distributor became disabled forever
> - scheduling is not performed any more
> 
> Cc: Kevin Hilman <khilman at linaro.org>
> Acked-by: Santosh Shilimkar <santosh.shilimkar at ti.com>
> Reported-by: Taras Kondratiuk <taras.kondratiuk at linaro.org>
> Signed-off-by: Grygorii Strashko <grygorii.strashko at ti.com>

Applying into omap-for-v3.13/fixes thanks.

Tony



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