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

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Message-ID: <YtTxZ3UcUmgxUbOu@matsya>
Date:   Mon, 18 Jul 2022 11:06:39 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Wolfram Sang <wsa@...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 16-07-22, 20:50, 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().

Reviewed-by: Vinod Koul <vkoul@...nel.org>

-- 
~Vinod