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From: Sebastian Andrzej Siewior <bigeasy-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>
To: Ben Dooks <ben-i2c-elnMNo+KYs3YtjvyW6yDsg@public.gmane.org>
Cc: eric.y.miao-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
	sodaville-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org,
	linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	ben-linux-elnMNo+KYs3YtjvyW6yDsg@public.gmane.org,
	linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [sodaville] [PATCH 1/7] i2c/pxa2xx: Don't touch ISAR if not in slave mode
Date: Fri, 26 Nov 2010 19:28:32 +0100	[thread overview]
Message-ID: <4CEFFC50.4090702@linutronix.de> (raw)
In-Reply-To: <20101125235255.GB15948-SMNkleLxa3Z6Wcw2j4pizdi2O/JbrIOy@public.gmane.org>

Ben Dooks wrote:
>> +#ifdef CONFIG_I2C_PXA_SLAVE
>>  	writel(i2c->slave_addr, _ISAR(i2c));
>> +#endif
> 
> I was thinking about whether to add a flag to this to say whether the
> slave_addr field is valid, but to keep full compatiblity with the existing
> pxa users, we'd have to go and change every board using it.

i2c->slave_addr is 1 if slave mode is not enabled. Why should this value
be used in master mode?

Sebastian

  parent reply	other threads:[~2010-11-26 18:28 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-24 21:20 I2C support for Sodaville Sebastian Andrzej Siewior
     [not found] ` <1290633617-15311-1-git-send-email-bigeasy-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>
2010-11-24 21:20   ` [PATCH 1/7] i2c/pxa2xx: Don't touch ISAR if not in slave mode Sebastian Andrzej Siewior
     [not found]     ` <1290633617-15311-2-git-send-email-bigeasy-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>
2010-11-25 23:52       ` Ben Dooks
     [not found]         ` <20101125235255.GB15948-SMNkleLxa3Z6Wcw2j4pizdi2O/JbrIOy@public.gmane.org>
2010-11-26 18:28           ` Sebastian Andrzej Siewior [this message]
2010-11-24 21:20   ` [PATCH 2/7] arm/pxa2xx: reorganize I2C files Sebastian Andrzej Siewior
     [not found]     ` <1290633617-15311-3-git-send-email-bigeasy-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>
2010-11-25 23:55       ` Ben Dooks
     [not found]         ` <20101125235520.GC15948-SMNkleLxa3Z6Wcw2j4pizdi2O/JbrIOy@public.gmane.org>
2010-11-26  0:03           ` Russell King - ARM Linux
     [not found]             ` <20101126000341.GB9310-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2010-11-26 14:11               ` Sebastian Andrzej Siewior
2010-11-24 21:20   ` [PATCH 3/7] i2c/pxa2xx: Add PCI support for PXA I2C controller Sebastian Andrzej Siewior
     [not found]     ` <1290633617-15311-4-git-send-email-bigeasy-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>
2010-11-25 23:59       ` Ben Dooks
     [not found]         ` <20101125235933.GD15948-SMNkleLxa3Z6Wcw2j4pizdi2O/JbrIOy@public.gmane.org>
2010-11-26 14:16           ` Sebastian Andrzej Siewior
2010-11-24 21:20   ` [PATCH 4/7] i2c/pxa2xx: add support for shared IRQ handler Sebastian Andrzej Siewior
     [not found]     ` <1290633617-15311-5-git-send-email-bigeasy-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>
2010-11-25  2:26       ` Haojian Zhuang
2010-11-25 10:48         ` Sebastian Andrzej Siewior
2010-11-24 21:20   ` [PATCH 5/7] i2c/pxa2xx: check timeout correctly Sebastian Andrzej Siewior
2010-11-24 21:20   ` [PATCH 6/7] i2c/pxa2xx: reset the chip if the bus is not free Sebastian Andrzej Siewior
     [not found]     ` <1290633617-15311-7-git-send-email-bigeasy-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>
2010-11-25  2:30       ` Haojian Zhuang
     [not found]         ` <AANLkTikvN+==eTkoh7CTQyN0mbfvPhH6Uh9NX5QW7WFx-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-11-25  2:49           ` Haojian Zhuang
     [not found]             ` <AANLkTi=8Xy3M7QGO54nt_r0_12z3+o8G5fAqQmxkTH4o-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-11-25  6:43               ` Igor Grinberg
     [not found]                 ` <4CEE05A4.6030201-UTxiZqZC01RS1MOuV/RT9w@public.gmane.org>
2010-11-25  7:04                   ` Haojian Zhuang
2010-11-25 12:24                   ` Sebastian Andrzej Siewior
     [not found]                     ` <4CEE5587.90109-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>
2010-11-25 13:10                       ` Igor Grinberg
     [not found]                         ` <4CEE602D.5090501-UTxiZqZC01RS1MOuV/RT9w@public.gmane.org>
2010-11-25 13:39                           ` Sebastian Andrzej Siewior
2010-11-24 21:20   ` [PATCH 7/7] i2c/pxa2xx: pass of_node from platform driver to adapter Sebastian Andrzej Siewior

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