diff mbox series

[v3,2/2] mmc: tmio: Fix SCC error detection

Message ID 20180827151321.18015-3-niklas.soderlund+renesas@ragnatech.se (mailing list archive)
State Superseded
Delegated to: Geert Uytterhoeven
Headers show
Series mmc: {tmio,renesas_sdhi}: retune if SCC error detected | expand

Commit Message

Niklas Söderlund Aug. 27, 2018, 3:13 p.m. UTC
From: Masaharu Hayakawa <masaharu.hayakawa.ry@renesas.com>

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

Signed-off-by: Masaharu Hayakawa <masaharu.hayakawa.ry@renesas.com>
[Niklas: update commit message]
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
---
 drivers/mmc/host/tmio_mmc_core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Wolfram Sang Aug. 29, 2018, 7:16 a.m. UTC | #1
On Mon, Aug 27, 2018 at 05:13:21PM +0200, Niklas Söderlund wrote:
> From: Masaharu Hayakawa <masaharu.hayakawa.ry@renesas.com>
> 
> SDR104 and HS200 need to check for SCC error. If SCC error is detected,
> retuning is necessary.

HS400, 8 taps, too, or am I missing something?
diff mbox series

Patch

diff --git a/drivers/mmc/host/tmio_mmc_core.c b/drivers/mmc/host/tmio_mmc_core.c
index 261b4d62d2b1061f..268c4a3b728c775f 100644
--- a/drivers/mmc/host/tmio_mmc_core.c
+++ b/drivers/mmc/host/tmio_mmc_core.c
@@ -919,8 +919,8 @@  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) {