linux-kernel - Re: [PATCH] dts64: mt7622: fix slow sd card access

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Message-ID: <059279A9-8530-41AB-9997-04B2D22BB11B@public-files.de>
Date:   Sun, 10 Jan 2021 09:35:46 +0100
From:   Frank Wunderlich <frank-w@...lic-files.de>
To:     linux-mediatek@...ts.infradead.org,
        Frank Wunderlich <linux@...web.de>
CC:     devicetree@...r.kernel.org, Ryder Lee <ryder.lee@...iatek.com>,
        Wenbin.Mei@...iatek.com, sin_wenjiehu <sin_wenjiehu@...iatek.com>,
        Sean Wang <sean.wang@...iatek.com>,
        linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        linux-arm-kernel@...ts.infradead.org,
        Matthias Brugger <matthias.bgg@...il.com>,
        Jimin Wang <jimin.wang@...iatek.com>
Subject: Re: [PATCH] dts64: mt7622: fix slow sd card access

I guess issue is caused by incompatible setting in uboot,but have not found which exactly so i handled it like emmc.

If patch is ready to be applied please add 

Cc: stable@...r.kernel.org

because all kernel versions are affected (tested at least in 5.4 and 5.9). If i need to create a v2,i will add it

@sean/ryder/wenbin can you tell me if sd on mt7622/bpi-r64 is maybe capable of hs400?
regards Frank