[U-Boot] [PATCH 1/2] mmc: Fix timeout values passed to mmc_wait_dat0()

Peng Fan peng.fan at nxp.com
Fri Aug 30 01:11:43 UTC 2019


> Subject: Re: [PATCH 1/2] mmc: Fix timeout values passed to mmc_wait_dat0()
> 
> Hi Peng,
> 
> On Tue, Aug 27, 2019 at 10:40 AM Peng Fan <peng.fan at nxp.com> wrote:
> >
> > > Subject: [PATCH 1/2] mmc: Fix timeout values passed to
> > > mmc_wait_dat0()
> > >
> > > mmc_wait_dat0() expects timeout argument to be in usec units. But
> > > some overlying functions operate on timeout in msec units. Convert
> > > timeout from msec to usec when passing it to mmc_wait_dat0().
> > >
> > > This fixes 'avb' commands on BeagleBoard X15, because next chain was
> > > failing:
> > >
> > >     get_partition() -> mmc_switch_part() -> __mmc_switch() ->
> > >     mmc_wait_dat0()
> > >
> > > when passing incorrect timeout from __mmc_switch() to
> mmc_wait_dat0().
> > >
> > > Fixes: bb98b8c5c06a ("mmc: During a switch, poll on dat0 if
> > > available and check the final status")
> > > Signed-off-by: Sam Protsenko <semen.protsenko at linaro.org>
> >
> > Applied to mmc/master.
> >
> 
> Thanks for taking care of this. Quick question: does it mean that this patch will
> find its way to v2019.10? Because this patch is a bug fix to me (it actually fixes
> AVB, which doesn't work at all right now).

Yes. It will land in 2019.10, I'll send pull request to Tom later.

Regards,
Peng.

> 
> Thanks!
> 
> > Thanks,
> > Peng.


More information about the U-Boot mailing list