aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/mmc/host/sdhci.c2
-rw-r--r--drivers/mmc/host/sdhci.h2
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index fc7cb489bdb..c814220d214 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1149,6 +1149,8 @@ static int sdhci_get_ro(struct mmc_host *mmc)
spin_unlock_irqrestore(&host->lock, flags);
+ if (host->quirks & SDHCI_QUIRK_INVERTED_WRITE_PROTECT)
+ return !!(present & SDHCI_WRITE_PROTECT);
return !(present & SDHCI_WRITE_PROTECT);
}
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 968d713950f..6980f2725b8 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -216,6 +216,8 @@ struct sdhci_host {
#define SDHCI_QUIRK_NO_BUSY_IRQ (1<<14)
/* Controller has unreliable card detection */
#define SDHCI_QUIRK_BROKEN_CARD_DETECTION (1<<15)
+/* Controller reports inverted write-protect state */
+#define SDHCI_QUIRK_INVERTED_WRITE_PROTECT (1<<16)
int irq; /* Device IRQ */
void __iomem * ioaddr; /* Mapped address */