[PATCH] ARM: imx: replace imx6q_restart() with mxc_restart()

[Russell King - ARM Linux]

On Tue, Oct 29, 2013 at 08:13:02PM -0700, jiada wrote:
> Hi
>
> On 10/28/2013 12:45 AM, Shawn Guo wrote:
>> 1. Apply the following change
>>
>> https://git.linaro.org/gitweb?p=people/shawnguo/linux-2.6.git;a=commitdiff;h=6050d181a4fd4abb745506a6e565d55f1f9df964
>>
>> 2. Remove imx_src_prepare_restart() from imx6q_restart().
>>
>> I will send a patch against the latest kernel.
>>
> Thanks Shawn, I have verified with these two changes,
> system reboot by "echo b > /proc/sysrq-trigger" works
> for me.

The test you really want to do is a reboot via serial console: <break> b.
That's definitely the one which will get you if your restart handler has
anything in it which sleeps.  This will definitely call the restart
handler from IRQ context.