linux-kernel - Re: [PATCH V1 1/4] mmc: sdhci-msm: Enable MMC_CAP_WAIT_WHILE

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Message-ID: <dba669ef-fa43-a380-472e-a682862eb8f3@intel.com>
Date:   Thu, 16 Apr 2020 13:02:09 +0300
From:   Adrian Hunter <adrian.hunter@...el.com>
To:     Veerabhadrarao Badiganti <vbadigan@...eaurora.org>,
        ulf.hansson@...aro.org
Cc:     bjorn.andersson@...aro.org, linux-mmc@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        Andy Gross <agross@...nel.org>
Subject: Re: [PATCH V1 1/4] mmc: sdhci-msm: Enable MMC_CAP_WAIT_WHILE_BUSY
 host capability

On 12/04/20 6:53 pm, Veerabhadrarao Badiganti wrote:
> MSM sd host controller is capable of HW busy detection of device busy
> singaling over DAT0 line.

singaling -> signaling

> 
> So set MMC_CAP_WAIT_WHILE_BUSY capability for qcom sdhc.
> 
> Signed-off-by: Veerabhadrarao Badiganti <vbadigan@...eaurora.org>

Acked-by: Adrian Hunter <adrian.hunter@...el.com>

> ---
>  drivers/mmc/host/sdhci-msm.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c
> index 09ff731..013dcea 100644
> --- a/drivers/mmc/host/sdhci-msm.c
> +++ b/drivers/mmc/host/sdhci-msm.c
> @@ -2087,6 +2087,8 @@ static int sdhci_msm_probe(struct platform_device *pdev)
>  		goto clk_disable;
>  	}
>  
> +	msm_host->mmc->caps |= MMC_CAP_WAIT_WHILE_BUSY;
> +
>  	pm_runtime_get_noresume(&pdev->dev);
>  	pm_runtime_set_active(&pdev->dev);
>  	pm_runtime_enable(&pdev->dev);
>