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Thu, 14 May 2026 14:20:27 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Wolfram Sang , Ulf Hansson , Geert Uytterhoeven Cc: linux-mmc@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar , stable@vger.kernel.org Subject: [PATCH 1/3] mmc: renesas_sdhi: Apply bad taps quirk to RZ/G2H Date: Thu, 14 May 2026 22:20:22 +0100 Message-ID: <20260514212024.1624517-2-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260514212024.1624517-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20260514212024.1624517-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Lad Prabhakar Apply the sdhi_quirks_bad_taps2367 quirk to the RZ/G2H (R8A774E1) SoC. RZ/G2H is identical to the R-Car H3-N (R8A77951), which already uses this quirk to avoid unreliable tuning tap positions. Use the same quirk entry for RZ/G2H to ensure consistent SDHI tuning behaviour. Fixes: 31941342888d ("arm64: dts: renesas: r8a774e1: Add SDHI nodes") Cc: stable@vger.kernel.org Signed-off-by: Lad Prabhakar --- drivers/mmc/host/renesas_sdhi_internal_dmac.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mmc/host/renesas_sdhi_internal_dmac.c b/drivers/mmc/ho= st/renesas_sdhi_internal_dmac.c index f6ebb7bc7ede..e5aae7fce1cb 100644 --- a/drivers/mmc/host/renesas_sdhi_internal_dmac.c +++ b/drivers/mmc/host/renesas_sdhi_internal_dmac.c @@ -224,6 +224,7 @@ static const struct renesas_sdhi_quirks sdhi_quirks_rzg= 2l =3D { */ static const struct soc_device_attribute sdhi_quirks_match[] =3D { { .soc_id =3D "r8a774a1", .revision =3D "ES1.[012]", .data =3D &sdhi_quir= ks_4tap_nohs400 }, + { .soc_id =3D "r8a774e1", .data =3D &sdhi_quirks_bad_taps2367 }, { .soc_id =3D "r8a7795", .revision =3D "ES2.0", .data =3D &sdhi_quirks_4t= ap }, { .soc_id =3D "r8a7796", .revision =3D "ES1.0", .data =3D &sdhi_quirks_4t= ap_nohs400_one_rx }, { .soc_id =3D "r8a7796", .revision =3D "ES1.[12]", .data =3D &sdhi_quirks= _4tap_nohs400 }, --=20 2.54.0 From nobody Fri Jun 12 12:49:20 2026 Received: from mail-wm1-f47.google.com (mail-wm1-f47.google.com [209.85.128.47]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 603413B582F for ; 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charset="utf-8" From: Lad Prabhakar The RZ/G2N (r8a774b1) is identical to R-Car M3-N (r8a77965), so apply the same sdhi_quirks_r8a77965 quirk across all revisions, as is already done for R-Car M3-N. Fixes: c9af138c42f0 ("mmc: renesas_sdhi_internal_dmac: Add r8a774b1 support= ") Cc: stable@vger.kernel.org Signed-off-by: Lad Prabhakar --- drivers/mmc/host/renesas_sdhi_internal_dmac.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mmc/host/renesas_sdhi_internal_dmac.c b/drivers/mmc/ho= st/renesas_sdhi_internal_dmac.c index e5aae7fce1cb..b915e2e11d04 100644 --- a/drivers/mmc/host/renesas_sdhi_internal_dmac.c +++ b/drivers/mmc/host/renesas_sdhi_internal_dmac.c @@ -224,6 +224,7 @@ static const struct renesas_sdhi_quirks sdhi_quirks_rzg= 2l =3D { */ static const struct soc_device_attribute sdhi_quirks_match[] =3D { { .soc_id =3D "r8a774a1", .revision =3D "ES1.[012]", .data =3D &sdhi_quir= ks_4tap_nohs400 }, + { .soc_id =3D "r8a774b1", .data =3D &sdhi_quirks_r8a77965 }, { .soc_id =3D "r8a774e1", .data =3D &sdhi_quirks_bad_taps2367 }, { .soc_id =3D "r8a7795", .revision =3D "ES2.0", .data =3D &sdhi_quirks_4t= ap }, { .soc_id =3D "r8a7796", .revision =3D "ES1.0", .data =3D &sdhi_quirks_4t= ap_nohs400_one_rx }, --=20 2.54.0 From nobody Fri Jun 12 12:49:20 2026 Received: from mail-wr1-f41.google.com (mail-wr1-f41.google.com [209.85.221.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2A9BD3C2785 for ; 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Thu, 14 May 2026 14:20:29 -0700 (PDT) Received: from iku.Home ([2a06:5906:61b:2d00:4d56:d792:6583:2fd5]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-45da0fe13a7sm10216038f8f.29.2026.05.14.14.20.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 May 2026 14:20:28 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Wolfram Sang , Ulf Hansson , Geert Uytterhoeven Cc: linux-mmc@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar , stable@vger.kernel.org Subject: [PATCH 3/3] mmc: renesas_sdhi: Add SDHI quirk for RZ/G2E Date: Thu, 14 May 2026 22:20:24 +0100 Message-ID: <20260514212024.1624517-4-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260514212024.1624517-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20260514212024.1624517-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Lad Prabhakar The RZ/G2E (R8A774C0) is identical to R-Car E3 (R8A77990), so apply the same sdhi_quirks_r8a77965 quirk across all revisions, as is already done for R-Car E3. Fixes: ca804a5615a7 ("mmc: renesas_sdhi_internal_dmac: Whitelist r8a774c0") Cc: stable@vger.kernel.org Signed-off-by: Lad Prabhakar --- drivers/mmc/host/renesas_sdhi_internal_dmac.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mmc/host/renesas_sdhi_internal_dmac.c b/drivers/mmc/ho= st/renesas_sdhi_internal_dmac.c index b915e2e11d04..393d1c2238bd 100644 --- a/drivers/mmc/host/renesas_sdhi_internal_dmac.c +++ b/drivers/mmc/host/renesas_sdhi_internal_dmac.c @@ -225,6 +225,7 @@ static const struct renesas_sdhi_quirks sdhi_quirks_rzg= 2l =3D { static const struct soc_device_attribute sdhi_quirks_match[] =3D { { .soc_id =3D "r8a774a1", .revision =3D "ES1.[012]", .data =3D &sdhi_quir= ks_4tap_nohs400 }, { .soc_id =3D "r8a774b1", .data =3D &sdhi_quirks_r8a77965 }, + { .soc_id =3D "r8a774c0", .data =3D &sdhi_quirks_r8a77990 }, { .soc_id =3D "r8a774e1", .data =3D &sdhi_quirks_bad_taps2367 }, { .soc_id =3D "r8a7795", .revision =3D "ES2.0", .data =3D &sdhi_quirks_4t= ap }, { .soc_id =3D "r8a7796", .revision =3D "ES1.0", .data =3D &sdhi_quirks_4t= ap_nohs400_one_rx }, --=20 2.54.0