Re: [PATCH] ARM: boot: Fix ATAGs with appended DTB

Russell King - ARM Linux admin
2020-02-26T17:49:38Z

On Wed, Feb 26, 2020 at 07:35:14AM +0100, Marek Szyprowski wrote:
> Hi Geert,
>
> On 25.02.2020 15:47, Geert Uytterhoeven wrote:
> > At early boot, register r8 may contain an ATAGs or DTB pointer.
> > When an appended DTB is found, its address is stored in r8, for
> > extraction of the RAM base address later.
> >
> > However, if r8 contained an ATAGs pointer before, that pointer will be
> > lost, and the provided ATAGs is no longer folded into the provided DTB.
> >
> > Fix this by leaving r8 untouched.
> >
> > Fixes: 137e522593918be2 ("ARM: 8960/1: boot: Obtain start of physical memory from DTB")
> > Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
> > Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

The original commit hasn't been submitted, so it can be fixed before it
hits mainline if you want. Let me know what you want to do. Thanks.

--
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