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mmc: read ssr for SD spi

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The content of ssr is useful only for erase operations.
This saves erase time.

Signed-off-by: Pragnesh Patel <pragnesh.patel@sifive.com>
Reviewed-by: Bin Meng <bin.meng@windriver.com>
Tested-by: Bin Meng <bin.meng@windriver.com>
This commit is contained in:
Pragnesh Patel
2020-06-29 15:17:26 +05:30
committed by Peng Fan
parent a236d834fa
commit 810bc13803
2 changed files with 6 additions and 0 deletions
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5
drivers/mmc/mmc.c
View File

@@ -1753,6 +1753,11 @@ static int sd_select_mode_and_width(struct mmc *mmc, uint card_caps)
mmc_set_bus_width(mmc, 1);
mmc_select_mode(mmc, MMC_LEGACY);
mmc_set_clock(mmc, mmc->tran_speed, MMC_CLK_ENABLE);
#if CONFIG_IS_ENABLED(MMC_WRITE)
err = sd_read_ssr(mmc);
if (err)
pr_warn("unable to read ssr\n");
#endif
return 0;
}

1
drivers/mmc/mmc_spi.c
View File

@@ -305,6 +305,7 @@ static int dm_mmc_spi_request(struct udevice *dev, struct mmc_cmd *cmd,
case MMC_CMD_READ_MULTIPLE_BLOCK:
case MMC_CMD_WRITE_SINGLE_BLOCK:
case MMC_CMD_WRITE_MULTIPLE_BLOCK:
case MMC_CMD_APP_CMD:
resp = &resp8;
resp_size = sizeof(resp8);
break;