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Commit bf7cb224 authored by Jaehoon Chung's avatar Jaehoon Chung Committed by Chris Ball
Browse files

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: default avatarJaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
Acked-by: default avatarSeungwon Jeon <tgih.jun@samsung.com>
Acked-by: default avatarWill Newton <will.newton@imgtec.com>
Signed-off-by: default avatarChris Ball <cjb@laptop.org>
parent ccb52a00

drivers/mmc/host/dw_mmc.c

+3 −3
Original line number Diff line number Diff line
@@ -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);