[PATCH 3/6] mmc: read ssr for SD spi

Pragnesh Patel pragnesh.patel at sifive.com
Mon Jun 29 11:47:26 CEST 2020


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

Signed-off-by: Pragnesh Patel <pragnesh.patel at sifive.com>
Reviewed-by: Bin Meng <bin.meng at windriver.com>
---
 drivers/mmc/mmc.c     | 5 +++++
 drivers/mmc/mmc_spi.c | 1 +
 2 files changed, 6 insertions(+)

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 620bb93064..6b193d6d70 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -1746,6 +1746,11 @@ 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;
 	}
 
diff --git a/drivers/mmc/mmc_spi.c b/drivers/mmc/mmc_spi.c
index ddfebb6ed6..18d36878ef 100644
--- a/drivers/mmc/mmc_spi.c
+++ b/drivers/mmc/mmc_spi.c
@@ -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;
-- 
2.17.1



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