On Wed, Feb 19, 2020 at 01:11:24PM +0000, Oleksandr Suvorov wrote:
> SD/MMC on Colibri iMX7S/D modules successfully support
> 200Mhz frequency in HS200 mode.
>
> Removing the unnecessary max-frequency limit significantly
> increases the performance:
>
> == before fix ====
> root@colibri-imx7-emmc:~# hdparm -t /dev/mmcblk0
> /dev/mmcblk0:
> Timing buffered disk reads: 252 MB in 3.02 seconds = 83.54 MB/sec
> ==================
>
> === after fix ====
> root@colibri-imx7-emmc:~# hdparm -t /dev/mmcblk0
> /dev/mmcblk0:
> Timing buffered disk reads: 408 MB in 3.00 seconds = 135.94 MB/sec
> ==================
>
> Fixes: f928a4a377e4 ("ARM: dts: imx7: add Toradex Colibri iMX7D 1GB (eMMC) support")
> Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@xxxxxxxxxxx>
> Reviewed-by: Fabio Estevam <festevam@xxxxxxxxx>
Applied, thanks.
