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dts64: mt7622: fix slow sd card access
authorFrank Wunderlich <frank-w@public-files.de>
Wed, 13 Jan 2021 18:09:19 +0000 (19:09 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 4 Mar 2021 10:38:33 +0000 (11:38 +0100)
commit dc2e76175417e69c41d927dba75a966399f18354 upstream.

Fix extreme slow speed (200MB takes ~20 min) on writing sdcard on
bananapi-r64 by adding reset-control for mmc1 like it's done for mmc0/emmc.

Fixes: 2c002a3049f7 ("arm64: dts: mt7622: add mmc related device nodes")
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20210113180919.49523-1-linux@fw-web.de
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/arm64/boot/dts/mediatek/mt7622.dtsi patch | blob | history

diff --git a/arch/arm64/boot/dts/mediatek/mt7622.dtsi b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
index 5b9ec03..7c6d871 100644 (file)
--- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
@@ -698,6 +698,8 @@
                clocks = <&pericfg CLK_PERI_MSDC30_1_PD>,
                         <&topckgen CLK_TOP_AXI_SEL>;
                clock-names = "source", "hclk";
+               resets = <&pericfg MT7622_PERI_MSDC1_SW_RST>;
+               reset-names = "hrst";
                status = "disabled";
        };