Re: [PATCH v2 4/4] mmc: renesas_sdhi: skip SCC error check when retuning

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Hi Simon,

Thanks for your feedback.

On 2018-07-12 14:57:22 +0200, Simon Horman wrote:
> On Thu, Jul 05, 2018 at 04:18:41PM +0200, Niklas Söderlund wrote:
> > From: Masaharu Hayakawa <masaharu.hayakawa.ry@xxxxxxxxxxx>
> > 
> > Checking for SCC error during retuning is unnecessary.
> > 
> > Signed-off-by: Masaharu Hayakawa <masaharu.hayakawa.ry@xxxxxxxxxxx>
> > [Niklas: fix small style issue]
> > Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>
> > ---
> >  drivers/mmc/host/renesas_sdhi_core.c | 7 +++++++
> >  1 file changed, 7 insertions(+)
> > 
> > diff --git a/drivers/mmc/host/renesas_sdhi_core.c b/drivers/mmc/host/renesas_sdhi_core.c
> > index 589da18bd636c2f4..ef711c532a26babe 100644
> > --- a/drivers/mmc/host/renesas_sdhi_core.c
> > +++ b/drivers/mmc/host/renesas_sdhi_core.c
> > @@ -445,6 +445,13 @@ static bool renesas_sdhi_check_scc_error(struct tmio_mmc_host *host)
> >  {
> >  	struct renesas_sdhi *priv = host_to_priv(host);
> >  
> > +	if (!(host->mmc->ios.timing == MMC_TIMING_UHS_SDR104) &&
> > +	    !(host->mmc->ios.timing == MMC_TIMING_MMC_HS200))
> > +		return false;
> > +
> > +	if (host->mmc->doing_retune)
> > +		return false;
> > +
> 
> I believe this patch needs to be updaed now that HS400 support has
> been merged.

Thanks I missed that HS400 had been merged, will update for next 
version.

> 
> >  	/* Check SCC error */
> >  	if (sd_scc_read32(host, priv, SH_MOBILE_SDHI_SCC_RVSCNTL) &
> >  	    SH_MOBILE_SDHI_SCC_RVSCNTL_RVSEN &&
> > -- 
> > 2.17.0
> > 

-- 
Regards,
Niklas Söderlund
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