Re: [PATCH 3/3] ARM: dts: omap4-sdp: add dynamic pin states foruart3/4

From: Tony Lindgren
Date: Thu Jul 18 2013 - 05:04:23 EST


* Grygorii Strashko <grygorii.strashko@xxxxxx> [130718 02:01]:
> On 07/18/2013 11:09 AM, Tony Lindgren wrote:
>
> Don't think it's debug code - IO chain need to be rearmed after each
> PRCM IO IRQ - otherwise IO wakeup events may be lost (at least on
> OMAP4, OMAP5 requires more complex handling(( ).

Nope, only after the mux register changes. I've verified it on
am3730 with off-idle for both serial and wl12xx.

> I didn't pick up your padconf patches yet -seems i need to be in sync :)

Well you need those for proper wake-up event support..

> Below the diff I used to verify IO wake up (It follows old IO daisy
> chain hanlding models in hwmod before DT):

..then these changes not needed with the pinctrl-single changes.

Regards,

Tony
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/