diff options
| author | Adrian Hunter <adrian.hunter@nokia.com> | 2010-10-11 12:43:50 +0300 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2010-10-23 21:11:16 +0800 |
| commit | 49e3b5a44f8abd33c8693edc575c6d06a210d778 (patch) | |
| tree | a68dfc6613a17d1c0eb68d87d63a3562eea26a80 /drivers/mmc/core/core.c | |
| parent | 0f8d8ea64ec7c77ca5beb59534d386fe0235961a (diff) | |
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>
Diffstat (limited to 'drivers/mmc/core/core.c')
| -rw-r--r-- | drivers/mmc/core/core.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 7cb352b3b247..3eb7a9be6d8d 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -653,10 +653,11 @@ void mmc_set_bus_mode(struct mmc_host *host, unsigned int mode) /* * Change data bus width and DDR mode of a host. */ -void mmc_set_bus_width_ddr(struct mmc_host *host, unsigned int width, int ddr) +void mmc_set_bus_width_ddr(struct mmc_host *host, unsigned int width, + unsigned int ddr) { host->ios.bus_width = width; - host->ios.ddr = ddr ? MMC_DDR_MODE : MMC_SDR_MODE; + host->ios.ddr = ddr; mmc_set_ios(host); } @@ -665,7 +666,7 @@ void mmc_set_bus_width_ddr(struct mmc_host *host, unsigned int width, int ddr) */ void mmc_set_bus_width(struct mmc_host *host, unsigned int width) { - mmc_set_bus_width_ddr(host, width, 0); + mmc_set_bus_width_ddr(host, width, MMC_SDR_MODE); } /** |