linux-kernel - Re: [PATCH 2/3] i2c: qcom-geni: Propagate GENI_ABORT_DONE to geni_i2c_abort

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Message-ID: <YtzVYQyBVLfFY/C6@shikoro>
Date:   Sun, 24 Jul 2022 07:15:13 +0200
From:   Wolfram Sang <wsa@...nel.org>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Vinod Koul <vkoul@...nel.org>, linux-arm-msm@...r.kernel.org,
        linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] i2c: qcom-geni: Propagate GENI_ABORT_DONE to
 geni_i2c_abort_xfer()

On Sat, Jul 16, 2022 at 08:50:26PM -0700, Bjorn Andersson wrote:
> Waiting for M_CMD_ABORT_EN in geni_i2c_abort_xfer() races with the
> interrupt handler which will read and clear the abort bit, the result is
> that every abort attempt takes 1 second and is followed by a message
> about the abort having times out.
> 
> Introduce a new state variable to carry the abort_done state from the
> interrupt handler back to geni_i2c_abort_xfer().
> 
> Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>

Applied to for-next, thanks!


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