GPIO triggers kernel reboot

[Mehaffey, John]

> -----Original Message-----
> From: linux-embedded-owner at vger.kernel.org 
> [mailto:linux-embedded-owner at vger.kernel.org] On Behalf Of Heiko 
> Schocher
> Sent: Saturday, January 25, 2014 8:03 AM
> To: linux-embedded at vger.kernel.org
> Cc: Wolfgang Denk; linux-arm-kernel at lists.infradead.org
> Subject: GPIO triggers kernel reboot
> 
> Hello all,
> 
> is it possible to reboot current mainline kernel triggered from a GPIO in kernel space?
> 
> If not, how can be done this, so that it has a chance to go into mainline?
> 
> Thanks for any suggestions
> 
> bye,
> Heiko

Hi Heiko,
Call kexec() from the GPIO driver.
It will take some effort to get it right :)

Or if a simple reboot is all that you want, examine the several reboot APIs in kernel/reboot.c

Sincerely,
John Mehaffey
Principal Engineer, Automotive
Mentor Graphics
> -- 
> DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
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