The patch below does not apply to the 4.14-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@xxxxxxxxxxxxxxx>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From 3751e008da0df4384031bd66a516c0292f915605 Mon Sep 17 00:00:00 2001
From: Chaotian Jing <chaotian.jing@xxxxxxxxxxxx>
Date: Wed, 23 Jan 2019 20:05:25 +0800
Subject: [PATCH] mmc: mediatek: fix incorrect register setting of
hs400_cmd_int_delay
to set cmd internal delay, need set PAD_TUNE register but not PAD_CMD_TUNE
register.
Signed-off-by: Chaotian Jing <chaotian.jing@xxxxxxxxxxxx>
Fixes: 1ede5cb88a29 ("mmc: mediatek: Use data tune for CMD line tune")
Cc: stable@xxxxxxxxxxxxxxx # v4.12+
Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
index 8afeaf81ae66..833ef0590af8 100644
--- a/drivers/mmc/host/mtk-sd.c
+++ b/drivers/mmc/host/mtk-sd.c
@@ -846,7 +846,7 @@ static void msdc_set_mclk(struct msdc_host *host, unsigned char timing, u32 hz)
if (timing == MMC_TIMING_MMC_HS400 &&
host->dev_comp->hs400_tune)
- sdr_set_field(host->base + PAD_CMD_TUNE,
+ sdr_set_field(host->base + tune_reg,
MSDC_PAD_TUNE_CMDRRDLY,
host->hs400_cmd_int_delay);
dev_dbg(host->dev, "sclk: %d, timing: %d\n", host->mmc->actual_clock,
