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From: <gregkh@linuxfoundation.org>
To: wsa+renesas@sang-engineering.com, fabrizio.castro@bp.renesas.com,
	geert+renesas@glider.be, niklas.soderlund+renesas@ragnatech.se,
	ulf.hansson@linaro.org
Cc: <stable@vger.kernel.org>
Subject: FAILED: patch "[PATCH] mmc: sdhi: disallow HS400 for M3-W ES1.2, RZ/G2M, and V3H" failed to apply to 4.19-stable tree
Date: Sun, 23 Jun 2019 13:47:29 +0200	[thread overview]
Message-ID: <156129044989128@kroah.com> (raw)


The patch below does not apply to the 4.19-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@vger.kernel.org>.

thanks,

greg k-h

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

From 97bf85b6ec9e6597ce81c79b26a28f7918fc4eaf Mon Sep 17 00:00:00 2001
From: Wolfram Sang <wsa+renesas@sang-engineering.com>
Date: Thu, 6 Jun 2019 13:35:35 +0200
Subject: [PATCH] mmc: sdhi: disallow HS400 for M3-W ES1.2, RZ/G2M, and V3H
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Our HW engineers informed us that HS400 is not working on these SoC
revisions.

Fixes: 0f4e2054c971 ("mmc: renesas_sdhi: disable HS400 on H3 ES1.x and M3-W ES1.[012]")
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/host/renesas_sdhi_core.c b/drivers/mmc/host/renesas_sdhi_core.c
index 5e9e36ed2107..5f8d57ac084f 100644
--- a/drivers/mmc/host/renesas_sdhi_core.c
+++ b/drivers/mmc/host/renesas_sdhi_core.c
@@ -620,11 +620,16 @@ static const struct renesas_sdhi_quirks sdhi_quirks_h3_es2 = {
 	.hs400_4taps = true,
 };
 
+static const struct renesas_sdhi_quirks sdhi_quirks_nohs400 = {
+	.hs400_disabled = true,
+};
+
 static const struct soc_device_attribute sdhi_quirks_match[]  = {
 	{ .soc_id = "r8a7795", .revision = "ES1.*", .data = &sdhi_quirks_h3_m3w_es1 },
 	{ .soc_id = "r8a7795", .revision = "ES2.0", .data = &sdhi_quirks_h3_es2 },
-	{ .soc_id = "r8a7796", .revision = "ES1.0", .data = &sdhi_quirks_h3_m3w_es1 },
-	{ .soc_id = "r8a7796", .revision = "ES1.1", .data = &sdhi_quirks_h3_m3w_es1 },
+	{ .soc_id = "r8a7796", .revision = "ES1.[012]", .data = &sdhi_quirks_h3_m3w_es1 },
+	{ .soc_id = "r8a774a1", .revision = "ES1.[012]", .data = &sdhi_quirks_h3_m3w_es1 },
+	{ .soc_id = "r8a77980", .data = &sdhi_quirks_nohs400 },
 	{ /* Sentinel. */ },
 };
 


                 reply	other threads:[~2019-06-23 11:47 UTC|newest]

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