[RFC PATCH v2] ARM: OMAP4/highbank: Flush L2 cache before disabling

[Santosh Shilimkar]

On Friday 04 October 2013 04:57 PM, Taras Kondratiuk wrote:
> Kexec disables outer cache before jumping to reboot code, but it doesn't
> flush it explicitly. Flush is done implicitly inside of l2x0_disable().
> But some SoC's override default .disable handler and don't flush cache.
> This may lead to a corrupted memory during Kexec reboot on these platforms.
> 
> This patch adds cache flush inside of OMAP4 and Highbank outer_cache.disable()
> handlers to make it consistent with default l2x0_disable().
> Also it removes redundant outer_flush_all() call just before outer_disable().
> 
> Signed-off-by: Taras Kondratiuk <taras.kondratiuk at linaro.org>
> ---
> v2: Make the fix specific to platforms that don't use l2x0_disable().
> v1: https://patchwork.kernel.org/patch/2974431/
> ---
Acked-by: Santosh Shilimkar <santosh.shilimkar at ti.com>