mmc: refine DDR support
One flaw with DDR support is that MMC core does not inform the driver
which DDR mode it has selected. This patch expands the ios->ddr flag
to do that.
Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 3ea58ce..df2a817 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -375,7 +375,7 @@
struct mmc_card *oldcard)
{
struct mmc_card *card;
- int err, ddr = 0;
+ int err, ddr = MMC_SDR_MODE;
u32 cid[4];
unsigned int max_dtr;
@@ -523,10 +523,10 @@
if (mmc_card_highspeed(card)) {
if ((card->ext_csd.card_type & EXT_CSD_CARD_TYPE_DDR_1_8V)
&& (host->caps & (MMC_CAP_1_8V_DDR)))
- ddr = 1;
+ ddr = MMC_1_8V_DDR_MODE;
else if ((card->ext_csd.card_type & EXT_CSD_CARD_TYPE_DDR_1_2V)
&& (host->caps & (MMC_CAP_1_2V_DDR)))
- ddr = 1;
+ ddr = MMC_1_2V_DDR_MODE;
}
/*