[PATCH 2/2] mmc: sdhci-esdhc-imx: add support for disabling HS400 mode via DT

[Lucas Stach]

On some boards the data strobe line isn't wired up, rendering HS400
support broken, even if both the controller and the eMMC claim to
support it. Allow to disable HS400 mode via DT.

Signed-off-by: Lucas Stach <dev at lynxeye.de>
---
 drivers/mmc/host/sdhci-esdhc-imx.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index a20459744d21..1d6068507fb6 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -1483,6 +1483,9 @@ sdhci_esdhc_imx_probe_dt(struct platform_device *pdev,
 	if (of_find_property(np, "no-1-8-v", NULL))
 		host->quirks2 |= SDHCI_QUIRK2_NO_1_8_V;
 
+	if (of_find_property(np, "no-mmc-hs400", NULL))
+		host->quirks2 &= ~SDHCI_QUIRK2_CAPS_BIT63_FOR_HS400;
+
 	if (of_property_read_u32(np, "fsl,delay-line", &boarddata->delay_line))
 		boarddata->delay_line = 0;
 
-- 
2.31.1