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(parent: d8c5406) | patch
rockchip: disable UHS modes for NanoPi R4S
authorDavid Bauer <mail@david-bauer.net>
Tue, 25 Jan 2022 20:46:54 +0000 (21:46 +0100)
committerDavid Bauer <mail@david-bauer.net>
Thu, 27 Jan 2022 00:44:28 +0000 (01:44 +0100)
commit2b583ab8a74a6bd41f1c9629b3b66ba561d6fceb
tree5cdeca41abbe5fddf42ceb963378643a7b1df73etree | snapshot
parentd8c5406a93d7d99c5abbec6d3a042922b6b4f8e2commit | diff
rockchip: disable UHS modes for NanoPi R4S

The NanoPi R4S leaves the SD card in 1.8V signalling when rebooting
while U-Boot requires the card to be in 3.3V mode.

Remove UHS support from the SD controller so the card remains in 3.3V
mode. This reduces transfer speeds but ensures a reboot whether from
userspace or following a kernel panic is always working.

Signed-off-by: David Bauer <mail@david-bauer.net>
target/linux/rockchip/patches-5.10/105-nanopi-r4s-sd-signalling.patch [new file with mode: 0644] blob
Staging tree of Daniel Golle