[PATCH V1 1/4] mmc: sdhci-msm: Enable MMC_CAP_WAIT_WHILE_BUSY host capability

From: Veerabhadrarao Badiganti
Date: Sun Apr 12 2020 - 12:05:17 EST


MSM sd host controller is capable of HW busy detection of device busy
singaling over DAT0 line.

So set MMC_CAP_WAIT_WHILE_BUSY capability for qcom sdhc.

Signed-off-by: Veerabhadrarao Badiganti <vbadigan@xxxxxxxxxxxxxx>
---
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);
--
Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc., is a member of Code Aurora Forum, a Linux Foundation Collaborative Project