[PATCH 0/2] Fix omap serial early crash during hwmod _setup()

Tony Lindgren tony at atomide.com
Fri Jul 12 04:03:48 EDT 2013


* Rajendra Nayak <rnayak at ti.com> [130712 00:39]:
> On Friday 12 July 2013 12:52 PM, Tony Lindgren wrote:
> > * Rajendra Nayak <rnayak at ti.com> [130711 03:59]:
> >> This series should fix the issue with the early serial crash seen
> >> during hwmod _setup() as reported by [1]
> >>
> >> The issue was reported on a am33xx device and was not seen on omap4
> >> or omap5 devices as the hwmod data for both omap4 and omap5 had
> >> statically defined HWMOD_INIT_NO_IDLE and HWMOD_INIT_NO_RESET for
> >> uart3 which happens to be the debug console used on omap4 panda and
> >> omap5 uevm boards.
> > 
> > The serial driver should be capable of setting this on it's own
> > as it sets up the console.
> 
> These flags are used to avoid an early reset that hwmod does to all devices
> on the SoC and is done much before serial driver is initialized.

OK so that's only needed for earlycon then it seems.

Regards,

Tony



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