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-rw-r--r--drivers/mmc/host/sdhci.c3
-rw-r--r--include/linux/mmc/sdhci.h2
2 files changed, 4 insertions, 1 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 0ad412a4876f..5cf35e5ae267 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -3164,7 +3164,8 @@ int sdhci_add_host(struct sdhci_host *host)
/* Auto-CMD23 stuff only works in ADMA or PIO. */
if ((host->version >= SDHCI_SPEC_300) &&
((host->flags & SDHCI_USE_ADMA) ||
- !(host->flags & SDHCI_USE_SDMA))) {
+ !(host->flags & SDHCI_USE_SDMA)) &&
+ !(host->quirks2 & SDHCI_QUIRK2_ACMD23_BROKEN)) {
host->flags |= SDHCI_AUTO_CMD23;
DBG("%s: Auto-CMD23 available\n", mmc_hostname(mmc));
} else {
diff --git a/include/linux/mmc/sdhci.h b/include/linux/mmc/sdhci.h
index c3e3db196738..1bafb1e7716e 100644
--- a/include/linux/mmc/sdhci.h
+++ b/include/linux/mmc/sdhci.h
@@ -115,6 +115,8 @@ struct sdhci_host {
#define SDHCI_QUIRK2_TUNING_WORK_AROUND (1<<12)
/* disable the block count for single block transactions */
#define SDHCI_QUIRK2_SUPPORT_SINGLE (1<<13)
+/* Controller broken with using ACMD23 */
+#define SDHCI_QUIRK2_ACMD23_BROKEN (1<<14)
int irq; /* Device IRQ */
void __iomem *ioaddr; /* Mapped address */