mmc: sdhci-esdhc-imx: disable card detect wake for S32G based platforms

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@oss.nxp.com>
Reviewed-by: Haibo Chen <haibo.chen@nxp.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20240708121018.246476-2-ciprianmarian.costea@oss.nxp.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 40a6e2f8145a114feda347d86b0ebf6039c370b4..21d984a77be8565a9c72d7580a210cfdc04de97e 100644 (file)
--- 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;