RE: [PATCH 2/2] mmc: block: add CMD13 polling for ioctl() cmd with R1B response

From: Avri Altman
Date: Thu Sep 05 2019 - 02:21:16 EST



> On Wed, 2019-09-04 at 14:11 +0000, Avri Altman wrote:
> > > static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct
> > > mmc_blk_data *md,
> > > struct mmc_blk_ioc_data *idata)
> > > {
> > > @@ -623,6 +675,9 @@ static int __mmc_blk_ioctl_cmd(struct
> mmc_card
> > > *card, struct mmc_blk_data *md,
> > > __func__, status, err);
> > > }
> > >
> > > + if (!err && (cmd.flags & MMC_RSP_R1B))
> > > + err = card_busy_detect(card, MMC_BLK_TIMEOUT_MS,
> NULL);
> > > +
> > > return err;
> > > }
> > You have both the R1B flag check, and status poll (for rpmb) few line
> above.
> > Maybe you could re-use it.
> > It will both simplify this patch, and save the tad optimization of your
> first patch.
> >
> > Thanks,
> > Avri
>
> So that we can drop the ioctl_rpmb_card_status_poll() as it do almost
> the same thing with card_busy_detect().
>
right