Re: [PATCH 2/2] arm: omap: sram: skip the first 16K on OMAP3 HS

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On Wed, Aug 29, 2012 at 8:24 AM, Aaro Koskinen <aaro.koskinen@xxxxxx> wrote:
> In some OMAP3 HS devices (at least Nokia N9 and N950), the public SRAM
> seems to conflict with secure portition of SRAM. When booting the 3.6-rc3
> kernel (and also earlier) on these devices, the kernel gets tainted with
> tons of the following warnings:
>
>         [    6.894348] In-band Error seen by MPU  at address 0
>         [...]
>         [    6.894378] WARNING: at arch/arm/mach-omap2/omap_l3_smx.c:162
>
> Fix this by skipping the first 16K of the public SRAM. (Note that the
> mapping could not be changed, as it resulted in secure monitor call
> failure in save_secure_sram().)
>
> This will leave 12K SRAM available that should be still sufficient. The
> patch has been boot tested with vanilla 3.6-rc3 on N900, N950 and N9.
>
> Signed-off-by: Aaro Koskinen <aaro.koskinen@xxxxxx>
> ---
>  arch/arm/plat-omap/sram.c |    9 ++++++---
>  1 files changed, 6 insertions(+), 3 deletions(-)
>
Looks good.

Acked-by: Santosh Shilimkar <santosh.shilimkar@xxxxxx>
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