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Subject: Re: [PATCH v2] dts64: mt7622: fix slow sd card access
To:     Frank Wunderlich <linux@fw-web.de>,
        linux-mediatek@lists.infradead.org
Cc:     Frank Wunderlich <frank-w@public-files.de>,
        Rob Herring <robh+dt@kernel.org>,
        Sean Wang <sean.wang@mediatek.com>,
        Jimin Wang <jimin.wang@mediatek.com>,
        Ryder Lee <ryder.lee@mediatek.com>, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        sin_wenjiehu <sin_wenjiehu@mediatek.com>,
        Wenbin.Mei@mediatek.com, skylake.huang@mediatek.com,
        stable@vger.kernel.org
References: <20210113180919.49523-1-linux@fw-web.de>
From:   Matthias Brugger <matthias.bgg@gmail.com>
Message-ID: <1109b776-b20d-91e1-d398-c48f3f5aa240@gmail.com>
Date:   Sun, 31 Jan 2021 16:02:06 +0100
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On 13/01/2021 19:09, Frank Wunderlich wrote:
> From: Frank Wunderlich <frank-w@public-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@vger.kernel.org
> Fixes: 2c002a3049f7 ("arm64: dts: mt7622: add mmc related device nodes")
> Signed-off-by: Frank Wunderlich <frank-w@public-files.de>

Applied to v5.11-next/dts64

Thanks!

> ---
> 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@11240000 {
>  		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";
>  	};
>  
>