mmc: sdhci-of-dwcmshc: set MMC_CAP_WAIT_WHILE_BUSY

The host supports HW busy detection of the device busy signaling over
dat0 line. Set MMC_CAP_wAIT_WHILE_BUSY host capability.

Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Link: https://lore.kernel.org/r/20210324154703.69f97fde@xhacker.debian
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/host/sdhci-of-dwcmshc.c b/drivers/mmc/host/sdhci-of-dwcmshc.c
index 34d26e3884a00bc8ee0ed762b9a981134874cfc8..bac874ab0b33a3d1b7128b3371094949147430fb 100644 (file)
--- a/drivers/mmc/host/sdhci-of-dwcmshc.c
+++ b/drivers/mmc/host/sdhci-of-dwcmshc.c
@@ -416,6 +416,8 @@ static int dwcmshc_probe(struct platform_device *pdev)
                        goto err_clk;
        }
 
+       host->mmc->caps |= MMC_CAP_WAIT_WHILE_BUSY;
+
        err = sdhci_add_host(host);
        if (err)
                goto err_clk;