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.

Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Link: https://lore.kernel.org/r/1583941675-9884-2-git-send-email-skomatineni@nvidia.com
[Ulf: Lumped together the caps assignments]
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c
index fa8f6a4..3e2c510 100644 (file)
--- a/drivers/mmc/host/sdhci-tegra.c
+++ b/drivers/mmc/host/sdhci-tegra.c
@@ -1583,8 +1583,8 @@ static int sdhci_tegra_probe(struct platform_device *pdev)
        if (tegra_host->soc_data->nvquirks & NVQUIRK_ENABLE_DDR50)
                host->mmc->caps |= MMC_CAP_1_8V_DDR;
 
-       /* R1B responses is required to properly manage HW busy detection. */
-       host->mmc->caps |= MMC_CAP_NEED_RSP_BUSY;
+       /* HW busy detection is supported, but R1B responses are required. */
+       host->mmc->caps |= MMC_CAP_WAIT_WHILE_BUSY | MMC_CAP_NEED_RSP_BUSY;
 
        tegra_sdhci_parse_dt(host);