[PATCH 1/2] mmc: rtsx: add delay before power on

[ricky_wu]

From: Ricky Wu <ricky...@realtek.com>

Make sure voltage below 0.5V before power on
when do power cycle

Signed-off-by: Ricky Wu <ricky...@realtek.com>
---
 drivers/mmc/host/rtsx_pci_sdmmc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c 
b/drivers/mmc/host/rtsx_pci_sdmmc.c
index e6f5bbce5685..d21b99962b36 100644
--- a/drivers/mmc/host/rtsx_pci_sdmmc.c
+++ b/drivers/mmc/host/rtsx_pci_sdmmc.c
@@ -906,6 +906,8 @@ static int sd_power_on(struct realtek_pci_sdmmc *host)
        if (host->power_state == SDMMC_POWER_ON)
                return 0;
 
+       mdelay(100);
+
        rtsx_pci_init_cmd(pcr);
        rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_SELECT, 0x07, SD_MOD_SEL);
        rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_SHARE_MODE,
-- 
2.17.1