On 10/03/20 2:13 am, Sowjanya Komatineni wrote: > Some mmc operations take longer than maximum HW busy detection and > mmc core driver converts R1B type to R1 type response for these > operations based on host max busy timeout and command operation time > and uses SW poll for busy. > > Tegra host support long HW busy detection where host waits forever > till the card is busy. > > This patch enables MMC_CAP2_LONG_WAIT_HW_BUSY capability for Tegra > host. > > Signed-off-by: Sowjanya Komatineni <skomatineni@xxxxxxxxxx> Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx> > --- > drivers/mmc/host/sdhci-tegra.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c > index 40a221d..9d0f371 100644 > --- a/drivers/mmc/host/sdhci-tegra.c > +++ b/drivers/mmc/host/sdhci-tegra.c > @@ -1583,6 +1583,7 @@ 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; > > + host->mmc->caps2 |= MMC_CAP2_LONG_WAIT_HW_BUSY; > tegra_sdhci_parse_dt(host); > > tegra_host->power_gpio = devm_gpiod_get_optional(&pdev->dev, "power", >
