From: Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>
To: Ben Dooks <ben.dooks-4yDnlxn2s6sWdaTGBSpHTA@public.gmane.org>
Cc: linux-kernel-81qHHgoATdFT9dQujB1mzip2UmYkHbXO@public.gmane.org,
Simon Horman
<horms+renesas-/R6kz+dDXgpPR4JQBCEnsQ@public.gmane.org>,
linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-sh-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH 3/6] i2c: rcar: do not print error if device nacks transfer
Date: Sun, 26 Jan 2014 22:50:25 +0100 [thread overview]
Message-ID: <20140126215025.GA7643@katana> (raw)
In-Reply-To: <1390752337-22386-4-git-send-email-ben.dooks-4yDnlxn2s6sWdaTGBSpHTA@public.gmane.org>
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On Sun, Jan 26, 2014 at 04:05:34PM +0000, Ben Dooks wrote:
> The i2c-rcar driver currently prints an error message if the master_xfer
> callback fails. However if the bus is being probed then lots of NAKs
> will be generated, causing the output of a number of errors printed.
>
> To solve this, disable the print if the error is not -EREMOTEIO.
>
> An example of running i2cdetect:
>
> 10: i2c-rcar e6530000.i2c: error -121 : 15
> -- i2c-rcar e6530000.i2c: error -121 : 15
> -- 12 i2c-rcar e6530000.i2c: error -121 : 15
> -- i2c-rcar e6530000.i2c: error -121 : 15
> -- i2c-rcar e6530000.i2c: error -121 : 15
> -- i2c-rcar e6530000.i2c: error -121 : 15
> -- i2c-rcar e6530000.i2c: error -121 : 15
> -- i2c-rcar e6530000.i2c: error -121 : 15
>
> Cc: Simon Horman <horms+renesas-/R6kz+dDXgpPR4JQBCEnsQ@public.gmane.org>
> Cc: Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>
> Cc: linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> Cc: linux-sh-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> Signed-off-by: Ben Dooks <ben.dooks-4yDnlxn2s6sWdaTGBSpHTA@public.gmane.org>
All applied to for-current, thanks, especially for doing the extra
kernel-doc update!
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WARNING: multiple messages have this Message-ID (diff)
From: Wolfram Sang <wsa@the-dreams.de>
To: Ben Dooks <ben.dooks-4yDnlxn2s6sWdaTGBSpHTA@public.gmane.org>
Cc: linux-kernel-81qHHgoATdFT9dQujB1mzip2UmYkHbXO@public.gmane.org,
Simon Horman
<horms+renesas-/R6kz+dDXgpPR4JQBCEnsQ@public.gmane.org>,
linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-sh-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH 3/6] i2c: rcar: do not print error if device nacks transfer
Date: Sun, 26 Jan 2014 21:50:25 +0000 [thread overview]
Message-ID: <20140126215025.GA7643@katana> (raw)
In-Reply-To: <1390752337-22386-4-git-send-email-ben.dooks-4yDnlxn2s6sWdaTGBSpHTA@public.gmane.org>
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On Sun, Jan 26, 2014 at 04:05:34PM +0000, Ben Dooks wrote:
> The i2c-rcar driver currently prints an error message if the master_xfer
> callback fails. However if the bus is being probed then lots of NAKs
> will be generated, causing the output of a number of errors printed.
>
> To solve this, disable the print if the error is not -EREMOTEIO.
>
> An example of running i2cdetect:
>
> 10: i2c-rcar e6530000.i2c: error -121 : 15
> -- i2c-rcar e6530000.i2c: error -121 : 15
> -- 12 i2c-rcar e6530000.i2c: error -121 : 15
> -- i2c-rcar e6530000.i2c: error -121 : 15
> -- i2c-rcar e6530000.i2c: error -121 : 15
> -- i2c-rcar e6530000.i2c: error -121 : 15
> -- i2c-rcar e6530000.i2c: error -121 : 15
> -- i2c-rcar e6530000.i2c: error -121 : 15
>
> Cc: Simon Horman <horms+renesas@verge.net.au>
> Cc: Wolfram Sang <wsa@the-dreams.de>
> Cc: linux-i2c@vger.kernel.org
> Cc: linux-sh@vger.kernel.org
> Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
All applied to for-current, thanks, especially for doing the extra
kernel-doc update!
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next prev parent reply other threads:[~2014-01-26 21:50 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1390752337-22386-1-git-send-email-ben.dooks@codethink.co.uk>
2014-01-26 16:05 ` [PATCH 4/6] i2c: rcar: use devm_clk_get to ensure clock is properly ref-counted Ben Dooks
[not found] ` <1390752337-22386-1-git-send-email-ben.dooks-4yDnlxn2s6sWdaTGBSpHTA@public.gmane.org>
2014-01-26 16:05 ` [PATCH 3/6] i2c: rcar: do not print error if device nacks transfer Ben Dooks
2014-01-26 16:05 ` Ben Dooks
[not found] ` <1390752337-22386-4-git-send-email-ben.dooks-4yDnlxn2s6sWdaTGBSpHTA@public.gmane.org>
2014-01-26 21:50 ` Wolfram Sang [this message]
2014-01-26 21:50 ` Wolfram Sang
2014-02-16 9:46 ` Wolfram Sang
2014-02-16 9:46 ` Wolfram Sang
2014-02-16 10:25 ` Geert Uytterhoeven
2014-02-16 10:25 ` Geert Uytterhoeven
2014-02-16 11:46 ` Wolfram Sang
2014-02-16 11:46 ` Wolfram Sang
2014-02-17 8:04 ` Ben Dooks
2014-05-08 22:03 ` Sergei Shtylyov
2014-05-08 22:03 ` Sergei Shtylyov
[not found] ` <536BFF39.40607-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>
2014-05-09 5:04 ` Wolfram Sang
2014-05-09 5:04 ` Wolfram Sang
2014-05-09 9:32 ` Ben Dooks
2014-05-09 9:32 ` Ben Dooks
[not found] ` <536CA0B1.4040300-4yDnlxn2s6sWdaTGBSpHTA@public.gmane.org>
2014-05-09 22:55 ` Sergei Shtylyov
2014-05-09 22:55 ` Sergei Shtylyov
2014-01-26 16:05 ` [PATCH 5/6] i2c: update i2c_algorithm documentation Ben Dooks
2014-01-26 16:05 ` [PATCH 6/6] i2c: rcar: fix NACK error code Ben Dooks
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