[PATCH 5.5.18 2/2] sdhci: tegra: Enable MMC_CAP_WAIT_WHILE_BUSY host capability

From: Sowjanya Komatineni
Date: Wed Apr 22 2020 - 12:33:10 EST


commit ff124c31ccd7
("sdhci: tegra: Enable MMC_CAP_WAIT_WHILE_BUSY host capability")

Tegra sdhci host supports HW busy detection of the device busy
signaling over data0 lane.

So, this patch enables host capability MMC_CAP_wAIT_WHILE_BUSY.

Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Sowjanya Komatineni <skomatineni@xxxxxxxxxx>
---
drivers/mmc/host/sdhci-tegra.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c
index fa8f6a4..1c381f8 100644
--- a/drivers/mmc/host/sdhci-tegra.c
+++ b/drivers/mmc/host/sdhci-tegra.c
@@ -1580,6 +1580,8 @@ static int sdhci_tegra_probe(struct platform_device *pdev)
if (rc)
goto err_parse_dt;

+ host->mmc->caps |= MMC_CAP_WAIT_WHILE_BUSY;
+
if (tegra_host->soc_data->nvquirks & NVQUIRK_ENABLE_DDR50)
host->mmc->caps |= MMC_CAP_1_8V_DDR;

--
2.7.4