From: Wolfram Sang <wsa@kernel.org>
To: Mark Tomlinson <mark.tomlinson@alliedtelesis.co.nz>
Cc: gregory.clement@bootlin.com, linux-i2c@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3] i2c: mv64xxx: Add bus error recovery
Date: Thu, 8 Oct 2020 14:25:34 +0200 [thread overview]
Message-ID: <20201008122534.GB897@ninjato> (raw)
In-Reply-To: <20200826223516.29737-1-mark.tomlinson@alliedtelesis.co.nz>
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oN tHU, aug 27, 2020 at 10:35:16AM +1200, Mark Tomlinson wrote:
> This adds i2c bus recovery to the mv64xxx driver.
>
> Implement bus recovery to recover from SCL/SDA stuck low.
>
> This uses the generic recovery function, setting the clock/data lines as
> GPIO pins, and sending 9 clocks to try and recover the bus.
>
> Signed-off-by: Mark Tomlinson <mark.tomlinson@alliedtelesis.co.nz>
The timing of the i2c_recover_bus() should still be improved, but I got
the idea to add a helper for that to the core because other drivers
would benefit, too. And the we unify it for the whole subsystem.
So, applied to for-next, thanks!
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next prev parent reply other threads:[~2020-10-08 12:25 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-26 22:35 [PATCH v3] i2c: mv64xxx: Add bus error recovery Mark Tomlinson
2020-10-08 12:25 ` Wolfram Sang [this message]
2020-12-02 15:22 ` Wolfram Sang
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