shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-08 20:07:46 +09:00
Code Issues Packages Projects Releases Wiki Activity

mmc: host:rk_sdmmc: move out effect to sd/sdio

Browse Source
This commit is contained in:
lintao
2014-06-05 16:02:21 +08:00
parent 0927e5aff1
commit b8c4dede9e
1 changed files with 8 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/mmc/host/rk_sdmmc.c
View File

@@ -908,7 +908,10 @@ static void dw_mci_setup_bus(struct dw_mci_slot *slot, bool force_clkinit)
/* inform CIU */ /* inform CIU */
mci_send_cmd(slot, SDMMC_CMD_UPD_CLK | SDMMC_CMD_PRV_DAT_WAIT, 0); mci_send_cmd(slot, SDMMC_CMD_UPD_CLK | SDMMC_CMD_PRV_DAT_WAIT, 0);
if (!(host->mmc->restrict_caps & RESTRICT_CARD_TYPE_EMMC))
goto normal;
if(clock == 400*1000){ if(clock == 400*1000){
MMC_DBG_BOOT_FUNC(host->mmc, MMC_DBG_BOOT_FUNC(host->mmc,
"dw_mci_setup_bus: argue clk_mmc workaround out 800K for init[%s]", "dw_mci_setup_bus: argue clk_mmc workaround out 800K for init[%s]",
@@ -963,7 +966,7 @@ static void dw_mci_setup_bus(struct dw_mci_slot *slot, bool force_clkinit)
} }
normal:
/* set clock to desired speed */ /* set clock to desired speed */
mci_writel(host, CLKDIV, div); mci_writel(host, CLKDIV, div);
@@ -1559,6 +1562,9 @@ static int dw_mci_execute_tuning(struct mmc_host *mmc, u32 opcode)
struct dw_mci_tuning_data tuning_data; struct dw_mci_tuning_data tuning_data;
int err = -ENOSYS; int err = -ENOSYS;
if (!(mmc->restrict_caps & RESTRICT_CARD_TYPE_EMMC))
return 0;
if (opcode == MMC_SEND_TUNING_BLOCK_HS200) { if (opcode == MMC_SEND_TUNING_BLOCK_HS200) {
if (mmc->ios.bus_width == MMC_BUS_WIDTH_8) { if (mmc->ios.bus_width == MMC_BUS_WIDTH_8) {
tuning_data.blk_pattern = tuning_blk_pattern_8bit; tuning_data.blk_pattern = tuning_blk_pattern_8bit;