linux-kernel - RE: [PATCH] rtc: tegra: cleanup probe/remove routines

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Message-ID: <D958900912E20642BCBC71664EFECE3E6DD67586A0@BGMAIL02.nvidia.com>
Date:	Fri, 13 Apr 2012 11:05:23 +0530
From:	Venu Byravarasu <vbyravarasu@...dia.com>
To:	Hannu Heikkinen <hannuxx@....fi>,
	"rtc-linux@...glegroups.com" <rtc-linux@...glegroups.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:	"a.zummo@...ertech.it" <a.zummo@...ertech.it>
Subject: RE: [PATCH] rtc: tegra: cleanup probe/remove routines

> +	if (info->tegra_rtc_irq <= 0)
> +		return -EBUSY;
Interrupt support is needed only for wake up or timer support.
Apart from them RTC can be used for reference time keeping.

So, is it not good to print a warn message as "wake up
with alarm is not supported" and proceed further instead of 
returning failure from the driver itself?

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