[PATCH AUTOSEL 4.9 18/20] mmc: f-sdh30: Add quirks for broken timeout clock capability

From: Sasha Levin
Date: Sun Dec 18 2022 - 12:13:43 EST


From: Kunihiko Hayashi <hayashi.kunihiko@xxxxxxxxxxxxx>

[ Upstream commit aae9d3a440736691b3c1cb09ae2c32c4f1ee2e67 ]

There is a case where the timeout clock is not supplied to the capability.
Add a quirk for that.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@xxxxxxxxxxxxx>
Acked-by: Jassi Brar <jaswinder.singh@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20221111081033.3813-7-hayashi.kunihiko@xxxxxxxxxxxxx
Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/mmc/host/sdhci_f_sdh30.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/mmc/host/sdhci_f_sdh30.c b/drivers/mmc/host/sdhci_f_sdh30.c
index 111b66f5439b..43e787954293 100644
--- a/drivers/mmc/host/sdhci_f_sdh30.c
+++ b/drivers/mmc/host/sdhci_f_sdh30.c
@@ -180,6 +180,9 @@ static int sdhci_f_sdh30_probe(struct platform_device *pdev)
if (reg & SDHCI_CAN_DO_8BIT)
priv->vendor_hs200 = F_SDH30_EMMC_HS200;

+ if (!(reg & SDHCI_TIMEOUT_CLK_MASK))
+ host->quirks |= SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK;
+
ret = sdhci_add_host(host);
if (ret)
goto err_add_host;
--
2.35.1