Re: [PATCH V1 1/4] mmc: sdhci-msm: Enable MMC_CAP_WAIT_WHILE_BUSY host capability
From: Adrian Hunter
Date: Thu Apr 16 2020 - 06:03:12 EST
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@xxxxxxxxxxxxxx>
Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
> ---
> 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);
>