linux-kernel - Re: [rtc-linux] Re: [PATCH V3] ARM: NUC900: add RTC driver support for nuc910 and nuc920

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Message-ID: <20091125143634.1b8e0839@linux.lan.towertech.it>
Date:	Wed, 25 Nov 2009 14:36:34 +0100
From:	Alessandro Zummo <a.zummo@...ertech.it>
To:	rtc-linux@...glegroups.com
Cc:	specter118@...il.com, Wan ZongShun <mcuos.com@...il.com>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [rtc-linux] Re: [PATCH V3] ARM: NUC900: add RTC driver support
 for  nuc910 and nuc920

On Wed, 25 Nov 2009 20:51:24 +0800
Hu Ruihuan <specter118@...il.com> wrote:

> I think you should lock irq before the serial read and write to the
> REG_RTC_RIER register.

 the lock seems not used anymore. the rtc framework has some locking
 of his own, driver authors are suggested to check if it's enough.

-- 

 Best regards,

 Alessandro Zummo,
  Tower Technologies - Torino, Italy

  http://www.towertech.it

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