Thread (118 messages) 118 messages, 3 authors, 2019-11-22
STALE2409d REVIEWED: 14 (14M)

[PATCH AUTOSEL 4.14 081/115] mmc: tmio: Fix SCC error detection

From: Sasha Levin <sashal@kernel.org>
Date: 2019-11-13 01:58:45
Also in: linux-mmc, lkml
Subsystem: multimedia card (mmc), secure digital (sd) and sdio subsystem, the rest, tmio/sdhi mmc driver · Maintainers: Ulf Hansson, Linus Torvalds, Wolfram Sang

From: Masaharu Hayakawa <redacted>

[ Upstream commit b85fb0a1c8aeaaa40d08945d51a6656b512173f0 ]

SDR104, HS200 and HS400 need to check for SCC error. If SCC error is
detected, retuning is necessary.

Signed-off-by: Masaharu Hayakawa <redacted>
[Niklas: update commit message]
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <redacted>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/mmc/host/tmio_mmc_core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/host/tmio_mmc_core.c b/drivers/mmc/host/tmio_mmc_core.c
index 2437fcde915a7..01e51b7945750 100644
--- a/drivers/mmc/host/tmio_mmc_core.c
+++ b/drivers/mmc/host/tmio_mmc_core.c
@@ -914,8 +914,8 @@ static void tmio_mmc_finish_request(struct tmio_mmc_host *host)
 	if (mrq->cmd->error || (mrq->data && mrq->data->error))
 		tmio_mmc_abort_dma(host);
 
-	if (host->check_scc_error)
-		host->check_scc_error(host);
+	if (host->check_scc_error && host->check_scc_error(host))
+		mrq->cmd->error = -EILSEQ;
 
 	/* If SET_BLOCK_COUNT, continue with main command */
 	if (host->mrq && !mrq->cmd->error) {
-- 
2.20.1
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help