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Date:   Sun, 12 Apr 2020 21:23:25 +0530
From:   Veerabhadrarao Badiganti <>
        Veerabhadrarao Badiganti <>,
        Andy Gross <>
Subject: [PATCH V1 1/4] mmc: sdhci-msm: Enable MMC_CAP_WAIT_WHILE_BUSY host capability

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 <>
 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;
Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc., is a member of Code Aurora Forum, a Linux Foundation Collaborative Project

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