linux-kernel - Re: [PATCH v2] i2c: axxia: enable clock before calling clk_get

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Date:   Tue, 8 May 2018 23:15:37 +0200
From:   Wolfram Sang <wsa@...-dreams.de>
To:     Tobias Jordan <Tobias.Jordan@...ktrobit.com>
Cc:     linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] i2c: axxia: enable clock before calling clk_get_rate()

On Mon, Apr 30, 2018 at 04:49:29PM +0200, Tobias Jordan wrote:
> axxia_i2c_init() uses clk_get_rate() for idev->i2c_clk. clk_get_rate()
> should only be called if the clock is enabled, so ensure that by moving
> the clk_prepare_enable() call before the call to axxia_i2c_init().
> 
> Found by Linux Driver Verification project (linuxtesting.org).
> 
> Fixes: 08678b850cd0 ("i2c: axxia: Add I2C driver for AXM55xx")
> Signed-off-by: Tobias Jordan <Tobias.Jordan@...ktrobit.com>

Applied to for-next, thanks!


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