[PATCH v2] Revert "mmc: fsl_esdhc_imx: use VENDORSPEC_FRC_SDCLK_ON to control card clock output"
Peng Fan (OSS)
peng.fan at oss.nxp.com
Tue Jun 15 02:23:38 CEST 2021
On 2021/6/8 10:07, Fabio Estevam wrote:
> Hi Haibo,
> On Mon, Jun 7, 2021 at 10:57 PM Bough Chen <haibo.chen at nxp.com> wrote:
>> Hi Fabio,
>> Force clock on did help us fix some issue, like voltage switch for UHS card.
>> According to your commit log, seems this patch affect the booting time, do
>> you mean
>> the API readx_poll_timeout() cost a lot time? Can you show us the detail
>> info about
>> booting time effected by this patch?
> If I revert the patch SPL/U-Boot boot in one second.
> With this patch, it takes around 20 seconds, which is unacceptable.
Do you have a chance to see where it consumes so much time?
More information about the U-Boot