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Date: Wed, 13 Jan 2021 19:09:19 +0100
From: Frank Wunderlich <linux@...web.de>
To: linux-mediatek@...ts.infradead.org
Cc: Frank Wunderlich <frank-w@...lic-files.de>,
Rob Herring <robh+dt@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
Sean Wang <sean.wang@...iatek.com>,
Jimin Wang <jimin.wang@...iatek.com>,
Ryder Lee <ryder.lee@...iatek.com>, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
sin_wenjiehu <sin_wenjiehu@...iatek.com>,
Wenbin.Mei@...iatek.com, skylake.huang@...iatek.com,
stable@...r.kernel.org
Subject: [PATCH v2] dts64: mt7622: fix slow sd card access
From: Frank Wunderlich <frank-w@...lic-files.de>
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.
Cc: stable@...r.kernel.org
Fixes: 2c002a3049f7 ("arm64: dts: mt7622: add mmc related device nodes")
Signed-off-by: Frank Wunderlich <frank-w@...lic-files.de>
---
changes since v1:
- drop change to uhs-mode because mt7622 does not support it
---
arch/arm64/boot/dts/mediatek/mt7622.dtsi | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt7622.dtsi b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
index 5b9ec032ce8d..7c6d871538a6 100644
--- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
@@ -698,6 +698,8 @@ mmc1: mmc@...40000 {
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";
};
--
2.25.1
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