[PATCH 1/3] mmc: sdhci-esdhc-imx: disable card detect wake for S32G based platforms

[Ciprian Costea]

In case of S32G based platforms, GPIO CD used for card detect
wake mechanism is not available.

For this scenario the newly introduced flag
'ESDHC_FLAG_SKIP_CD_WAKE' is used.

Signed-off-by: Ciprian Costea <ciprianmarian.costea@xxxxxxxxxxx>
---
 drivers/mmc/host/sdhci-esdhc-imx.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 40a6e2f8145a..21d984a77be8 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -201,6 +201,9 @@
 /* ERR004536 is not applicable for the IP  */
 #define ESDHC_FLAG_SKIP_ERR004536	BIT(17)
 
+/* The IP does not have GPIO CD wake capabilities */
+#define ESDHC_FLAG_SKIP_CD_WAKE		BIT(18)
+
 enum wp_types {
 	ESDHC_WP_NONE,		/* no WP, neither controller nor gpio */
 	ESDHC_WP_CONTROLLER,	/* mmc controller internal WP */
@@ -298,7 +301,7 @@ static struct esdhc_soc_data usdhc_s32g2_data = {
 	.flags = ESDHC_FLAG_USDHC | ESDHC_FLAG_MAN_TUNING
 			| ESDHC_FLAG_HAVE_CAP1 | ESDHC_FLAG_HS200
 			| ESDHC_FLAG_HS400 | ESDHC_FLAG_HS400_ES
-			| ESDHC_FLAG_SKIP_ERR004536,
+			| ESDHC_FLAG_SKIP_ERR004536 | ESDHC_FLAG_SKIP_CD_WAKE,
 };
 
 static struct esdhc_soc_data usdhc_imx7ulp_data = {
@@ -1726,7 +1729,8 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev)
 		host->mmc->caps |= MMC_CAP_1_8V_DDR | MMC_CAP_3_3V_DDR;
 
 		/* GPIO CD can be set as a wakeup source */
-		host->mmc->caps |= MMC_CAP_CD_WAKE;
+		if (!(imx_data->socdata->flags & ESDHC_FLAG_SKIP_CD_WAKE))
+			host->mmc->caps |= MMC_CAP_CD_WAKE;
 
 		if (!(imx_data->socdata->flags & ESDHC_FLAG_HS200))
 			host->quirks2 |= SDHCI_QUIRK2_BROKEN_HS200;
-- 
2.45.2