FAILED: patch "[PATCH] mmc: sdhci-of-dwcmshc: Change DLL_STRBIN_TAPNUM_DEFAULT to" failed to apply to 5.15-stable tree

The patch below does not apply to the 5.15-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 <[email protected]>.

To reproduce the conflict and resubmit, you may use the following commands:

git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y
git checkout FETCH_HEAD
git cherry-pick -x a28352cf2d2f8380e7aca8cb61682396dca7a991
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<[email protected]>' --in-reply-to '2025112055-suspense-expiring-db69@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^..

Possible dependencies:

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From a28352cf2d2f8380e7aca8cb61682396dca7a991 Mon Sep 17 00:00:00 2001
From: Shawn Lin <[email protected]>
Date: Mon, 20 Oct 2025 09:49:41 +0800
Subject: [PATCH] mmc: sdhci-of-dwcmshc: Change DLL_STRBIN_TAPNUM_DEFAULT to
0x4

strbin signal delay under 0x8 configuration is not stable after massive test. The recommandation of it should be 0x4.

index eebd45389956..5b61401a7f3d 100644
@@ -94,7 +94,7 @@
 #define DLL_TXCLK_TAPNUM_DEFAULT	0x10
 #define DLL_TXCLK_TAPNUM_90_DEGREES	0xA
 #define DLL_TXCLK_TAPNUM_FROM_SW	BIT(24)
-#define DLL_STRBIN_TAPNUM_DEFAULT	0x8
+#define DLL_STRBIN_TAPNUM_DEFAULT	0x4
 #define DLL_STRBIN_TAPNUM_FROM_SW	BIT(24)
 #define DLL_STRBIN_DELAY_NUM_SEL	BIT(26)
 #define DLL_STRBIN_DELAY_NUM_OFFSET	16

From: Shawn Lin <[email protected]>

[ Upstream commit a28352cf2d2f8380e7aca8cb61682396dca7a991 ]

strbin signal delay under 0x8 configuration is not stable after massive test. The recommandation of it should be 0x4.

---
 drivers/mmc/host/sdhci-of-dwcmshc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

index 335c88fd849c4..eb7213a8b5ea8 100644
@@ -49,7 +49,7 @@
 #define DWCMSHC_EMMC_DLL_INC		8
 #define DWCMSHC_EMMC_DLL_DLYENA		BIT(27)
 #define DLL_TXCLK_TAPNUM_DEFAULT	0x8
-#define DLL_STRBIN_TAPNUM_DEFAULT	0x8
+#define DLL_STRBIN_TAPNUM_DEFAULT	0x4
 #define DLL_TXCLK_TAPNUM_FROM_SW	BIT(24)
 #define DLL_RXCLK_NO_INVERTER		1
 #define DLL_RXCLK_INVERTER		0

2.51.0