RE: [PATCH 3/4 v5] SDHCI: add sdhci_get_cd callback to detect the card

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> -----Original Message-----
> From: Anton Vorontsov [mailto:cbouatmailru@xxxxxxxxx]
> Sent: Monday, November 19, 2012 10:58 AM
> To: Huang Changming-R66093
> Cc: Chris Ball; linux-mmc@xxxxxxxxxxxxxxx
> Subject: Re: [PATCH 3/4 v5] SDHCI: add sdhci_get_cd callback to detect
> the card
> 
> On Mon, Nov 19, 2012 at 02:50:18AM +0000, Huang Changming-R66093 wrote:
> [...]
> > > diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
> index
> > > f05a377..cc9c8a6 100644
> > > --- a/drivers/mmc/host/sdhci.c
> > > +++ b/drivers/mmc/host/sdhci.c
> > > @@ -1573,6 +1573,26 @@ static int sdhci_get_ro(struct mmc_host *mmc)
> > >  	return ret;
> > >  }
> > >
> > > +/* Return values for the sdjco_get_cd callback:
> > > + *   0 for a absent card
> > > + *   1 for a present card
> > > + *   -ENOSYS when not supported (equal to NULL callback)
> > > + */
> 
> Incorrect style.
Hi, Anton, you mean the comment style is incrorrect?
It should be:
/*
 * xxxxx
 * xxxxxx
 */

> > > +static int sdhci_get_cd(struct mmc_host *mmc) {
> 
> ditto
I don't see the issue, could you explain it?

> 
> > > +	struct sdhci_host *host = mmc_priv(mmc);
> > > +	unsigned long flags;
> > > +	int present = -ENOSYS;
> 
> 	if (!host->ops->get_cd)
> 		return -ENOSYS;
> 
> 	...
> 	...
> 
> Otherwise, it looks good.
> 
> Reviewed-by: Anton Vorontsov <cbouatmailru@xxxxxxxxx>

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