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authorMarek Vasut <marek.vasut+renesas@mailbox.org>2024-02-20 09:38:45 +0100
committerJaehoon Chung <jh80.chung@samsung.com>2024-04-15 15:19:12 +0900
commit12859c2219a61bf4ce8b33de267d2b0e3e11ef37 (patch)
treef7435f6be22e8d0fe9452bd6ade6293ecc89797f
parent60649a8d6cc975a36d06aad14ed55079e75bc4fa (diff)
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mmc: renesas-sdhi: Stop transmission in case tuning block transfer fails
The current code uses the state of tuning block received by SCC to determine whether or not to send transmission stop command. This is not correct. Use the state of tuning block transfer to determine whether or not to send transmission stop command instead, because the transmission stop command has to be sent in case the tuning block transfer failed. This requires two changes, separate variable to store and check the state of tuning block received by SCC, and another separate variable to store and check return value from transmission stop command. Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org> Reviewed-by: Paul Barker <paul.barker.ct@bp.renesas.com> Tested-by: Paul Barker <paul.barker.ct@bp.renesas.com> Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
-rw-r--r--drivers/mmc/renesas-sdhi.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/mmc/renesas-sdhi.c b/drivers/mmc/renesas-sdhi.c
index 4ee8657..7f37d7a 100644
--- a/drivers/mmc/renesas-sdhi.c
+++ b/drivers/mmc/renesas-sdhi.c
@@ -568,8 +568,8 @@ int renesas_sdhi_execute_tuning(struct udevice *dev, uint opcode)
struct mmc *mmc = upriv->mmc;
unsigned int tap_num;
unsigned int taps = 0;
- int i, ret = 0;
- u32 caps;
+ int i, ret = 0, sret;
+ u32 caps, reg;
/* Only supported on Renesas RCar */
if (!(priv->caps & TMIO_SD_CAP_RCAR_UHS))
@@ -612,8 +612,8 @@ int renesas_sdhi_execute_tuning(struct udevice *dev, uint opcode)
if (ret == 0)
taps |= BIT(i);
- ret = renesas_sdhi_compare_scc_data(priv);
- if (ret == 0)
+ reg = renesas_sdhi_compare_scc_data(priv);
+ if (reg == 0)
priv->smpcmp |= BIT(i);
mdelay(1);
@@ -624,9 +624,9 @@ int renesas_sdhi_execute_tuning(struct udevice *dev, uint opcode)
* eMMC.
*/
if (ret && (opcode == MMC_CMD_SEND_TUNING_BLOCK_HS200)) {
- ret = mmc_send_stop_transmission(mmc, false);
- if (ret < 0)
- dev_dbg(dev, "Tuning abort fail (%d)\n", ret);
+ sret = mmc_send_stop_transmission(mmc, false);
+ if (sret < 0)
+ dev_dbg(dev, "Tuning abort fail (%d)\n", sret);
}
}