mmc: sdhi: disallow HS400 for M3-W ES1.2, RZ/G2M, and V3H
authorWolfram Sang <wsa+renesas@sang-engineering.com>
Thu, 6 Jun 2019 11:35:35 +0000 (13:35 +0200)
committerUlf Hansson <ulf.hansson@linaro.org>
Mon, 10 Jun 2019 15:08:20 +0000 (17:08 +0200)
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>
drivers/mmc/host/renesas_sdhi_core.c

index 5e9e36e..5f8d57a 100644 (file)
@@ -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. */ },
 };