Thread (673 messages) 673 messages, 6 authors, 2021-03-05
STALE1915d

[PATCH 5.10 556/663] dts64: mt7622: fix slow sd card access

From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2021-03-02 01:40:09
Also in: lkml

From: Frank Wunderlich <redacted>

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 <redacted>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20210113180919.49523-1-linux@fw-web.de (local)
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 |    2 ++
 1 file changed, 2 insertions(+)
--- 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";
 	};
 

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