[PATCH v2 1/2] ARM: Add cpu_resume_arm() for firmwares that resume in ARM state
khilman at kernel.org
Mon Jun 8 14:33:48 PDT 2015
Stephen Boyd <sboyd at codeaurora.org> writes:
> On 06/03, Russell King - ARM Linux wrote:
>> On Tue, Jun 02, 2015 at 12:12:57PM -0700, Stephen Boyd wrote:
>> > Some platforms always enter the kernel in the ARM state even if
>> > the kernel is compiled for THUMB2. Add a small wrapper on top of
>> > cpu_resume() that switches into THUMB2 state.
>> > This fixes a problem reported by Kevin Hilman on next-20150601
>> > where the ifc6410 fails to boot a THUMB2 kernel because the
>> > platform's firmware always enters the kernel in ARM mode from
>> > deep idle states.
>> I think this bit of the commit message isn't quite correct: this will
>> only resolve the boot problem with a T2 kernel when the failing platform
>> is converted to use the cpu_resume_arm() entry point.
>> Apart from that, the patch looks good to me, thanks.
> Sure, it could say "This provides the functionality to fix a problem
> reported by..."
Stephen, are you planning to submit this through Russell's patch
Russell, should we take this through arm-soc along with PATCH 2/2 which
depends on this one?
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