mmc: core: Factor out common code in drive strength selection
Make a new function out of common code used for drive
strength selection.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c
index 63f9163..9771b84 100644
--- a/drivers/mmc/core/sd.c
+++ b/drivers/mmc/core/sd.c
@@ -386,35 +386,14 @@
static int sd_select_driver_type(struct mmc_card *card, u8 *status)
{
- int host_drv_type = SD_DRIVER_TYPE_B;
int card_drv_type, drive_strength, drv_type;
int err;
- if (!card->host->ops->select_drive_strength)
- return 0;
-
- if (card->host->caps & MMC_CAP_DRIVER_TYPE_A)
- host_drv_type |= SD_DRIVER_TYPE_A;
-
- if (card->host->caps & MMC_CAP_DRIVER_TYPE_C)
- host_drv_type |= SD_DRIVER_TYPE_C;
-
- if (card->host->caps & MMC_CAP_DRIVER_TYPE_D)
- host_drv_type |= SD_DRIVER_TYPE_D;
-
card_drv_type = card->sw_caps.sd3_drv_type | SD_DRIVER_TYPE_B;
- /*
- * The drive strength that the hardware can support
- * depends on the board design. Pass the appropriate
- * information and let the hardware specific code
- * return what is possible given the options
- */
- mmc_host_clk_hold(card->host);
- drive_strength = card->host->ops->select_drive_strength(card,
- card->sw_caps.uhs_max_dtr,
- host_drv_type, card_drv_type, &drv_type);
- mmc_host_clk_release(card->host);
+ drive_strength = mmc_select_drive_strength(card,
+ card->sw_caps.uhs_max_dtr,
+ card_drv_type, &drv_type);
if (drive_strength) {
err = mmc_sd_switch(card, 1, 2, drive_strength, status);