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-rw-r--r--drivers/mmc/host/sdhci-pci-core.c29
1 files changed, 24 insertions, 5 deletions
diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c
index be19785227fe..d0f2edfe296c 100644
--- a/drivers/mmc/host/sdhci-pci-core.c
+++ b/drivers/mmc/host/sdhci-pci-core.c
@@ -616,16 +616,12 @@ static int intel_select_drive_strength(struct mmc_card *card,
return intel_host->drv_strength;
}
-static int bxt_get_cd(struct mmc_host *mmc)
+static int sdhci_get_cd_nogpio(struct mmc_host *mmc)
{
- int gpio_cd = mmc_gpio_get_cd(mmc);
struct sdhci_host *host = mmc_priv(mmc);
unsigned long flags;
int ret = 0;
- if (!gpio_cd)
- return 0;
-
spin_lock_irqsave(&host->lock, flags);
if (host->flags & SDHCI_DEVICE_DEAD)
@@ -638,6 +634,21 @@ out:
return ret;
}
+static int bxt_get_cd(struct mmc_host *mmc)
+{
+ int gpio_cd = mmc_gpio_get_cd(mmc);
+
+ if (!gpio_cd)
+ return 0;
+
+ return sdhci_get_cd_nogpio(mmc);
+}
+
+static int mrfld_get_cd(struct mmc_host *mmc)
+{
+ return sdhci_get_cd_nogpio(mmc);
+}
+
#define SDHCI_INTEL_PWR_TIMEOUT_CNT 20
#define SDHCI_INTEL_PWR_TIMEOUT_UDELAY 100
@@ -1341,6 +1352,14 @@ static int intel_mrfld_mmc_probe_slot(struct sdhci_pci_slot *slot)
MMC_CAP_1_8V_DDR;
break;
case INTEL_MRFLD_SD:
+ slot->cd_idx = 0;
+ slot->cd_override_level = true;
+ /*
+ * There are two PCB designs of SD card slot with the opposite
+ * card detection sense. Quirk this out by ignoring GPIO state
+ * completely in the custom ->get_cd() callback.
+ */
+ slot->host->mmc_host_ops.get_cd = mrfld_get_cd;
slot->host->quirks2 |= SDHCI_QUIRK2_NO_1_8_V;
break;
case INTEL_MRFLD_SDIO: