linux-kernel - [PATCH 5.12 084/173] mmc: renesas

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Message-Id: <20210614102700.961426872@linuxfoundation.org>
Date:   Mon, 14 Jun 2021 12:26:56 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Niklas Söderlund 
        <niklas.soderlund+renesas@...natech.se>,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
        Ulf Hansson <ulf.hansson@...aro.org>
Subject: [PATCH 5.12 084/173] mmc: renesas_sdhi: Fix HS400 on R-Car M3-W+

From: Geert Uytterhoeven <geert+renesas@...der.be>

commit 6687cd72aa9112a454a4646986e0402dd1b07d0e upstream.

R-Car M3-W ES3.0 is marketed as R-Car M3-W+ (R8A77961), and has its own
compatible value "renesas,r8a77961".

Hence using soc_device_match() with soc_id = "r8a7796" and revision =
"ES3.*" does not actually match running on an R-Car M3-W+ SoC.

Fix this by matching with soc_id = "r8a77961" instead.

Fixes: a38c078fea0b1393 ("mmc: renesas_sdhi: Avoid bad TAP in HS400")
Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
Reviewed-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@...natech.se>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
Link: https://lore.kernel.org/r/ee8af5d631f5331139ffea714539030d97352e93.1622811525.git.geert+renesas@glider.be
Cc: stable@...r.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/mmc/host/renesas_sdhi_core.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/mmc/host/renesas_sdhi_core.c
+++ b/drivers/mmc/host/renesas_sdhi_core.c
@@ -931,7 +931,7 @@ static const struct soc_device_attribute
 	{ .soc_id = "r8a7795", .revision = "ES3.*", .data = &sdhi_quirks_bad_taps2367 },
 	{ .soc_id = "r8a7796", .revision = "ES1.[012]", .data = &sdhi_quirks_4tap_nohs400 },
 	{ .soc_id = "r8a7796", .revision = "ES1.*", .data = &sdhi_quirks_r8a7796_es13 },
-	{ .soc_id = "r8a7796", .revision = "ES3.*", .data = &sdhi_quirks_bad_taps1357 },
+	{ .soc_id = "r8a77961", .data = &sdhi_quirks_bad_taps1357 },
 	{ .soc_id = "r8a77965", .data = &sdhi_quirks_r8a77965 },
 	{ .soc_id = "r8a77980", .data = &sdhi_quirks_nohs400 },
 	{ .soc_id = "r8a77990", .data = &sdhi_quirks_r8a77990 },