linux-kernel - Re: [PATCH 0/4] rtc: omap: handle rtc wakeup support in driver

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Date:	Mon, 01 Jul 2013 17:18:54 -0700
From:	Kevin Hilman <khilman@...aro.org>
To:	Hebbar Gururaja <gururaja.hebbar@...com>
Cc:	<tony@...mide.com>, <b-cousson@...com>,
	<linux-omap@...r.kernel.org>,
	<devicetree-discuss@...ts.ozlabs.org>,
	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<davinci-linux-open-source@...ux.davincidsp.com>,
	<vaibhav.bedia@...com>, <sudhakar.raj@...com>
Subject: Re: [PATCH 0/4] rtc: omap: handle rtc wakeup support in driver

Hi Hebbar,

Hebbar Gururaja <gururaja.hebbar@...com> writes:

> rtc-omap driver modules is used both by OMAP1/2, Davinci SoC platforms.
>
> However, rtc wake support on OMAP1 is broken. Hence the
> device_init_wakeup() was removed from rtc-omap driver and moved to
> platform board files that supported it (DA850/OMAP-L138). [1]
>
> However, recently [2] it was suggested that driver should always do a
> device_init_wakeup(dev, true). Platforms that don't want/need
> wakeup support can disable it from userspace via:
>
>     echo disabled > /sys/devices/.../power/wakeup
>
> Also, with the new DT boot-up, board file doesn't exist and hence there
> is no way to have device wakeup support rtc.
>
> The fix for above issues, is to hard code device_init_wakeup() inside
> driver and let platforms that don't need this, handle it through the
> sysfs power entry.

This series looks good now, thanks for your persistence.

Kevin
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