[PATCH v5 4/5] ARM: dts: mt8135: enable basic SMP bringup for mt8135

Kevin Hilman khilman at kernel.org
Mon Oct 26 01:06:20 PDT 2015

On Mon, Oct 26, 2015 at 4:15 PM, Yingjoe Chen <yingjoe.chen at mediatek.com> wrote:
> On Mon, 2015-10-26 at 09:56 +0900, Kevin Hilman wrote:
>> Hello,
>> On Sat, Oct 3, 2015 at 12:19 AM, Yingjoe Chen <yingjoe.chen at mediatek.com> wrote:
>> > Add arch timer node to enable arch-timer support. MT8135 firmware
>> > doesn't correctly setup arch-timer frequency and CNTVOFF, add
>> > properties to workaround this.
>> >
>> > This also set cpu enable-method to enable SMP.
>> >
>> > Signed-off-by: Yingjoe Chen <yingjoe.chen at mediatek.com>
>> kernelci.org started detecting new boot failures for the mt8135-evb in
>> the arm-soc tree[1], and the boot failures were bisected down to this
>> patch, which landed upstream in the form of commit d186a394bb98 (ARM:
>> dts: mt8135: enable basic SMP bringup for mt8135)
>> Maybe this new SMP support requires updating the firmware on the board
>> as well?  If so, the changelog should've been a bit more explicit
>> about firmware dependencies.
> Kevin,
> Thanks for testing.
> No, it doesn't need new firmware. Will test to see what's going wrong.

Thanks for following up.  I'll be glad to test any patches if you have
anything you'd like me to test.


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