mmc: sdhci: add a quirk for single block transactions

This patch defines a quirk to disable the block count
for single block transactions.
It is a preparation and will be used by Fujitsu
SDHCI controller f_sdh30 driver.

Signed-off-by: Vincent Yang <Vincent.Yang@tw.fujitsu.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/mmc/sdhci.h b/include/linux/mmc/sdhci.h
index 933b897ca095..c3e3db196738 100644
--- a/include/linux/mmc/sdhci.h
+++ b/include/linux/mmc/sdhci.h
@@ -113,6 +113,8 @@ struct sdhci_host {
 #define SDHCI_QUIRK2_CAPS_BIT63_FOR_HS400               (1<<11)
 /* forced tuned clock */
 #define SDHCI_QUIRK2_TUNING_WORK_AROUND                 (1<<12)
+/* disable the block count for single block transactions */
+#define SDHCI_QUIRK2_SUPPORT_SINGLE                     (1<<13)
 
         int irq;                /* Device IRQ */
         void __iomem *ioaddr;   /* Mapped address */