[PATCH V3 3/6] ARM: exynos: save L2 settings during bootup
amit kachhap
amit.kachhap at gmail.com
Wed Nov 23 01:52:48 EST 2011
On Tue, Nov 22, 2011 at 3:19 PM, Russell King - ARM Linux
<linux at arm.linux.org.uk> wrote:
> On Tue, Nov 22, 2011 at 03:05:29PM +0530, Amit Daniel Kachhap wrote:
>> This patch adds code to save L2 register configuration at boot, and
>> later used to resume L2 before MMU is enabled in suspend and cpuidle
>> resume paths.
>
> Is there a reason exynos isn't using the generic l2 code?
Actually the generic l2 save/resume works fine for full l2 shutdown
but in case of l2 retention mode few registers need to be
re-initialised which is not handled in the generic code.(implemented
in file arch/arm/plat-s5p/sleep.S)
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