On Wed, Oct 19, 2022 at 04:27:27PM +0200, Quentin Schulz wrote:
> From: Quentin Schulz <quentin.schulz@xxxxxxxxxxxxxxxxxxxxx>
>
> From: Jakob Unterwurzacher <jakob.unterwurzacher@xxxxxxxxxxxxxxxxxxxxx>
You can not have 2 authors :(
>
> CRC errors (code -84 EILSEQ) have been observed for some SanDisk
> Ultra A1 cards when running at 50MHz.
>
> Waveform analysis suggest that the level shifters that are used on the
> RK3399-Q7 module for voltage translation between 3.0 and 3.3V don't
> handle clock rates at or above 48MHz properly. Back off to 40MHz for
> some safety margin.
>
> Cc: stable@xxxxxxxxxxxxxxx
> Fixes: 60fd9f72ce8a ("arm64: dts: rockchip: add Haikou baseboard with RK3399-Q7 SoM")
> Signed-off-by: Jakob Unterwurzacher <jakob.unterwurzacher@xxxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Quentin Schulz <quentin.schulz@xxxxxxxxxxxxxxxxxxxxx>
> ---
> We've been carrying this patch downstream for years and completely forgot to
> upstream it. This is now done.
It has to be accepted before you are done :)
thanks,
greg k-h
