ARM: 7725/1: mmc: mmci: Cache MMCIDATACTRL register

Add a cache variable in the host struct that reflects the current data in
the MMCIDATACTRL register. This patch will not introduce any functional
change but instead provide an easy option to keep specific bits in the
register between each data transfer.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/mmc/host/mmci.h b/drivers/mmc/host/mmci.h
index 1383c9ce2646..0b6cc54be966 100644
--- a/drivers/mmc/host/mmci.h
+++ b/drivers/mmc/host/mmci.h
@@ -183,6 +183,7 @@ struct mmci_host {
         unsigned int            cclk;
         u32                     pwr_reg;
         u32                     clk_reg;
+        u32                     datactrl_reg;
         bool                    vqmmc_enabled;
         struct mmci_platform_data *plat;
         struct variant_data     *variant;