Re: [PATCH] ARM: dts: rockchip: increase SD clock frequency on Radxa Rock

Heiko Stuebner
2017-03-22T16:48:11Z

Hi,

Am Dienstag, 21. März 2017, 18:40:22 CET schrieb Alexander Kochetkov:
> The patch set SD clock frequency to maximum possible to SD-card
> (50MHz). This change actual clock frequency from 32MHz to 48MHz
> (speedup 1.5X).
>
> Banner line before patch: 'mmc_host mmc0: Bus speed (slot 0) = 32000000Hz
> (slot req 50000000Hz, actual 32000000HZ div = 0)'.
> Banner line after patch: 'mmc_host mmc0: Bus speed (slot 0) = 96000000Hz
> (slot req 50000000Hz, actual 48000000HZ div = 1)'
>
> Signed-off-by: Alexander Kochetkov <al.kochet@gmail.com>

sorry, but I will not apply this patch at this time.

When testing on my radxarock with the card I always use upon entering the
rootfs everything explodes with -110 errors, while without that patch the card
runs stable as far as I can tell.

I also don't have the time to investigate further right now though.

Heiko