mmc: dw_mmc: relocate where dw_mci_setup_bus() is called from

To ensure the stable clock need to enable before set the
DW_MMC_CARD_NEED_INIT flag.  If set DW_MMC_CARD_NEED_INIT flag,
wait for 80-clock before first command after power-up.
Signed-off-by: NJaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: NKyungmin Park <kyungmin.park@samsung.com>
Acked-by: NSeungwon Jeon <tgih.jun@samsung.com>
Acked-by: NWill Newton <will.newton@imgtec.com>
Signed-off-by: NChris Ball <cjb@laptop.org>

drivers/mmc/host/dw_mmc.c

@@ -683,9 +683,6 @@ static void __dw_mci_start_request(struct dw_mci *host,
 	if (host->pdata->select_slot)
 		host->pdata->select_slot(slot->id);
 
-	/* Slot specific timing and width adjustment */
-	dw_mci_setup_bus(slot, false);
-
 	host->cur_slot = slot;
 	host->mrq = mrq;
 
@@ -812,6 +809,9 @@ static void dw_mci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 	if (drv_data && drv_data->set_ios)
 		drv_data->set_ios(slot->host, ios);
 
+	/* Slot specific timing and width adjustment */
+	dw_mci_setup_bus(slot, false);
+
 	switch (ios->power_mode) {
 	case MMC_POWER_UP:
 		set_bit(DW_MMC_CARD_NEED_INIT, &slot->flags);