linux-kernel - Re: [PATCH v4] i2c: aspeed: fix invalid clock parameters for very large divisors

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Date:   Mon, 24 Sep 2018 23:51:18 +0200
From:   Wolfram Sang <wsa@...-dreams.de>
To:     Brendan Higgins <brendanhiggins@...gle.com>
Cc:     jae.hyun.yoo@...ux.intel.com, benh@...nel.crashing.org,
        joel@....id.au, andrew@...id.au, linux-i2c@...r.kernel.org,
        openbmc@...ts.ozlabs.org, linux-aspeed@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4] i2c: aspeed: fix invalid clock parameters for very
 large divisors

On Fri, Sep 21, 2018 at 04:30:50PM -0700, Brendan Higgins wrote:
> The function that computes clock parameters from divisors did not
> respect the maximum size of the bitfields that the parameters were
> written to. This fixes the bug.
> 
> This bug can be reproduced with (and this fix verified with) the test
> at: https://kunit-review.googlesource.com/c/linux/+/1035/
> 
> Discovered-by-KUnit: https://kunit-review.googlesource.com/c/linux/+/1035/
> Signed-off-by: Brendan Higgins <brendanhiggins@...gle.com>
> Reviewed-by: Jae Hyun Yoo <jae.hyun.yoo@...ux.intel.com>

Applied to for-next, thanks!


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