From f49ff79935730279cca0e6a288bcc9ad4f4f63dd Mon Sep 17 00:00:00 2001
From: Anup Patel <Anup.Patel@wdc.com>
Date: Mon, 8 Jul 2019 04:10:43 +0000
Subject: [PATCH] mmc: skip select_mode_and_width for MMC SPI host
The MMC mode and width are fixed for MMC SPI host hence we skip
sd_select_mode_and_width() and mmc_select_mode_and_width() for
MMC SPI host.
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
---
drivers/mmc/mmc.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index cec39a9acf..2a1ba6e51d 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -1686,6 +1686,13 @@ static int sd_select_mode_and_width(struct mmc *mmc, uint card_caps)
mmc_dump_capabilities("host", mmc->host_caps);
#endif
+ if (mmc_host_is_spi(mmc)) {
+ mmc_set_bus_width(mmc, 1);
+ mmc_select_mode(mmc, SD_LEGACY);
+ mmc_set_clock(mmc, mmc->tran_speed, MMC_CLK_ENABLE);
+ return 0;
+ }
+
/* Restrict card's capabilities by what the host can do */
caps = card_caps & mmc->host_caps;
@@ -1948,6 +1955,13 @@ static int mmc_select_mode_and_width(struct mmc *mmc, uint card_caps)
mmc_dump_capabilities("host", mmc->host_caps);
#endif
+ if (mmc_host_is_spi(mmc)) {
+ mmc_set_bus_width(mmc, 1);
+ mmc_select_mode(mmc, MMC_LEGACY);
+ mmc_set_clock(mmc, mmc->tran_speed, MMC_CLK_ENABLE);
+ return 0;
+ }
+
/* Restrict card's capabilities by what the host can do */
card_caps &= mmc->host_caps;
--
2.39.5