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From: Peter Korsgaard <jacmet@sunsite.dk>
To: Anton Vorontsov <avorontsov@ru.mvista.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-kernel@vger.kernel.org, rtc-linux@googlegroups.com,
	linuxppc-dev@ozlabs.org
Subject: Re: [PATCH 1/2] rtc: rtc-ds1374: fix 'no irq' case handling
Date: Tue, 19 Aug 2008 22:01:37 +0200	[thread overview]
Message-ID: <87d4k4n59a.fsf@macbook.be.48ers.dk> (raw)
In-Reply-To: <20080812161733.GA32164@oksana.dev.rtsoft.ru> (Anton Vorontsov's message of "Tue\, 12 Aug 2008 20\:17\:33 +0400")

>>>>> "Anton" == Anton Vorontsov <avorontsov@ru.mvista.com> writes:

 Anton> On a PowerPC board with ds1374 RTC I'm getting this error while
 Anton> RTC tries to probe:

 Anton> rtc-ds1374 0-0068: unable to request IRQ

 Anton> This happens because I2C probing code (drivers/of/of_i2c.c) is
 Anton> specifying IRQ0 for 'no irq' case, which is correct.

 Anton> The driver handles this incorrectly, though. This patch fixes it.

Great, I was just about to send a similar patch. Another advantage of
using 0 for 'no irq' is for I2C_BOARD_INFO(). With that you can simply
not assign anything to .irq instead of having to set it to -1.

Acked-by: Peter Korsgaard <jacmet@sunsite.dk>

-- 
Bye, Peter Korsgaard

WARNING: multiple messages have this Message-ID (diff)
From: Peter Korsgaard <jacmet@sunsite.dk>
To: Anton Vorontsov <avorontsov@ru.mvista.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>,
	Andrew Morton <akpm@linux-foundation.org>,
	linuxppc-dev@ozlabs.org, linux-kernel@vger.kernel.org,
	rtc-linux@googlegroups.com
Subject: Re: [PATCH 1/2] rtc: rtc-ds1374: fix 'no irq' case handling
Date: Tue, 19 Aug 2008 22:01:37 +0200	[thread overview]
Message-ID: <87d4k4n59a.fsf@macbook.be.48ers.dk> (raw)
In-Reply-To: <20080812161733.GA32164@oksana.dev.rtsoft.ru> (Anton Vorontsov's message of "Tue\, 12 Aug 2008 20\:17\:33 +0400")

>>>>> "Anton" == Anton Vorontsov <avorontsov@ru.mvista.com> writes:

 Anton> On a PowerPC board with ds1374 RTC I'm getting this error while
 Anton> RTC tries to probe:

 Anton> rtc-ds1374 0-0068: unable to request IRQ

 Anton> This happens because I2C probing code (drivers/of/of_i2c.c) is
 Anton> specifying IRQ0 for 'no irq' case, which is correct.

 Anton> The driver handles this incorrectly, though. This patch fixes it.

Great, I was just about to send a similar patch. Another advantage of
using 0 for 'no irq' is for I2C_BOARD_INFO(). With that you can simply
not assign anything to .irq instead of having to set it to -1.

Acked-by: Peter Korsgaard <jacmet@sunsite.dk>

-- 
Bye, Peter Korsgaard

  reply	other threads:[~2008-08-19 20:01 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-12 16:17 [PATCH 1/2] rtc: rtc-ds1374: fix 'no irq' case handling Anton Vorontsov
2008-08-12 16:17 ` Anton Vorontsov
2008-08-19 20:01 ` Peter Korsgaard [this message]
2008-08-19 20:01   ` Peter Korsgaard
2008-08-19 20:39 ` Jon Smirl
2008-08-19 20:39   ` Jon Smirl
2008-08-19 20:29   ` Alan Cox
2008-08-19 20:29     ` Alan Cox
2008-08-19 21:23     ` Jon Smirl
2008-08-19 21:23       ` Jon Smirl
2008-08-19 22:04       ` Alan Cox
2008-08-19 22:04         ` Alan Cox
2008-08-19 21:12   ` Anton Vorontsov
2008-08-19 21:12     ` Anton Vorontsov

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