From: Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>
To: Taras Kondratiuk
<taras.kondratiuk-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
patches-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
steve.mcintyre-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
Grygorii Strashko
<grygorii.strashko-l0cyMroinI0@public.gmane.org>,
Felipe Balbi <balbi-l0cyMroinI0@public.gmane.org>,
Richard woodruff <r-woodruff2-l0cyMroinI0@public.gmane.org>,
Tony Lindgren <tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>,
linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH] i2c: omap: Clear ARDY bit twice
Date: Thu, 10 Oct 2013 09:55:31 +0200 [thread overview]
Message-ID: <20131010075531.GB2638@katana> (raw)
In-Reply-To: <1381142519-29382-1-git-send-email-taras.kondratiuk-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
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On Mon, Oct 07, 2013 at 01:41:59PM +0300, Taras Kondratiuk wrote:
> Initially commit cb527ede1bf6ff2008a025606f25344b8ed7b4ac
> "i2c-omap: Double clear of ARDY status in IRQ handler"
> added a workaround for undocumented errata ProDB0017052.
> But then commit 1d7afc95946487945cc7f5019b41255b72224b70
> "i2c: omap: ack IRQ in parts" refactored code and missed
> one of ARDY clearings. So current code violates errata.
> It causes often i2c bus timeouts on my Pandaboard.
>
> This patch adds a second clearing in place.
>
> Signed-off-by: Grygorii Strashko <grygorii.strashko-l0cyMroinI0@public.gmane.org>
> Signed-off-by: Taras Kondratiuk <taras.kondratiuk-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Applied to for-current with stable tag, thanks!
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prev parent reply other threads:[~2013-10-10 7:55 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-07 10:41 [PATCH] i2c: omap: Clear ARDY bit twice Taras Kondratiuk
[not found] ` <1381142519-29382-1-git-send-email-taras.kondratiuk-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2013-10-10 7:55 ` Wolfram Sang [this message]
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