From: Wolfram Sang <wsa+renesas@sang-engineering.com>
To: linux-i2c@vger.kernel.org
Cc: linux-renesas-soc@vger.kernel.org,
Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Subject: Re: [PATCH] i2c: rcar: always clear ICSAR to avoid side effects
Date: Wed, 22 Jul 2020 13:10:26 +0200 [thread overview]
Message-ID: <20200722111026.GR1030@ninjato> (raw)
In-Reply-To: <20200704133829.7015-1-wsa+renesas@sang-engineering.com>
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On Sat, Jul 04, 2020 at 03:38:29PM +0200, Wolfram Sang wrote:
> On R-Car Gen2, we get a timeout when reading from the address set in
> ICSAR, even though the slave interface is disabled. Clearing it fixes
> this situation. Note that Gen3 is not affected.
>
> To reproduce: bind and undbind an I2C slave on some bus, run
> 'i2cdetect' on that bus.
>
> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Applied to for-current, thanks!
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prev parent reply other threads:[~2020-07-22 11:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-04 13:38 [PATCH] i2c: rcar: always clear ICSAR to avoid side effects Wolfram Sang
2020-07-22 11:10 ` Wolfram Sang [this message]
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