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authorSowjanya Komatineni <skomatineni@nvidia.com>2020-03-11 16:47:55 +0100
committerUlf Hansson <ulf.hansson@linaro.org>2020-03-24 14:39:52 +0100
commitff124c31ccd706c79c7a87c31a77b80fd89cd48b (patch)
tree148ff71ef400c9da2419e283632928c9d77c856a /drivers/mmc
parentsdhci: tegra: Implement Tegra specific set_timeout callback (diff)
downloadlinux-ff124c31ccd706c79c7a87c31a77b80fd89cd48b.tar.xz
linux-ff124c31ccd706c79c7a87c31a77b80fd89cd48b.zip
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>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/sdhci-tegra.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c
index fa8f6a4dcc7c..3e2c5101291d 100644
--- 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);