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Bug#1033504: SD card reader support for the Banana Pi M5



Package: linux-source-6.1
Version: 6.1.15-1
Severity: normal
Tags: patch upstream

The good news is that the Banana Pi M5 is almost fully supported by 
Bookworm, if the Debian kernel is loaded by a working u-boot like the 
one built by Armbian.

The bad news is that the SD card reader does not work with the Debian 
kernel (6.1.0-6-arm64) while it works fine with the Armbian kernel 
(6.2.0-rc3-meson64).

The symptoms are this message printed every second:

mmc0: error -84 whilst initialising SD card

and no card being detected.

I have identified these relevant patches applied by Armbian:

https://github.com/armbian/build/blob/main/patch/kernel/archive/meson64-6.2/general-meson-gx-mmc-fix-deferred-probing.patch
https://github.com/armbian/build/blob/main/patch/kernel/archive/meson64-6.2/general-meson-mmc-1-arm64-amlogic-mmc-meson-gx-Add-core-tx-rx-eMMC-SD-SD.patch
https://github.com/armbian/build/blob/main/patch/kernel/archive/meson64-6.2/general-meson-mmc-2-arm64-amlogic-dts-meson-update-meson-axg-device-tree.patch
https://github.com/armbian/build/blob/main/patch/kernel/archive/meson64-6.2/general-meson-mmc-3-arm64-dts-docs-Update-mmc-meson-gx-documentation-for.patch
https://github.com/armbian/build/blob/main/patch/kernel/archive/meson64-6.2/board-bananapim5-sd-use-270-mmc-clock-phase-via-dt.patch

-- 
ciao,
Marco

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