linux-kernel - Re: [PATCH] soundwire: qcom: correct setting ignore bit on v1.5.1

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Date:   Wed, 22 Feb 2023 15:40:48 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Vinod Koul <vkoul@...nel.org>,
        Bard Liao <yung-chuan.liao@...ux.intel.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Sanyog Kale <sanyog.r.kale@...el.com>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        linux-arm-msm@...r.kernel.org, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org
Cc:     stable@...r.kernel.org
Subject: Re: [PATCH] soundwire: qcom: correct setting ignore bit on v1.5.1



On 22.02.2023 15:03, Krzysztof Kozlowski wrote:
> According to the comment and to downstream sources, the
> SWRM_CONTINUE_EXEC_ON_CMD_IGNORE in SWRM_CMD_FIFO_CFG_ADDR register
> should be set for v1.5.1 and newer, so fix the >= operator.
> 
> Fixes: 542d3491cdd7 ("soundwire: qcom: set continue execution flag for ignored commands")
> Cc: <stable@...r.kernel.org>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>

Konrad
>  drivers/soundwire/qcom.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c
> index d5b73b7f98bf..29035cf15407 100644
> --- a/drivers/soundwire/qcom.c
> +++ b/drivers/soundwire/qcom.c
> @@ -733,7 +733,7 @@ static int qcom_swrm_init(struct qcom_swrm_ctrl *ctrl)
>  	}
>  
>  	/* Configure number of retries of a read/write cmd */
> -	if (ctrl->version > 0x01050001) {
> +	if (ctrl->version >= 0x01050001) {
>  		/* Only for versions >= 1.5.1 */
>  		ctrl->reg_write(ctrl, SWRM_CMD_FIFO_CFG_ADDR,
>  				SWRM_RD_WR_CMD_RETRIES |