Best Regards Jerry Huang > -----Original Message----- > From: Ulf Hansson [mailto:ulf.hansson@xxxxxxxxxx] > Sent: Wednesday, October 31, 2012 7:09 AM > To: Huang Changming-R66093 > Cc: linux-mmc@xxxxxxxxxxxxxxx; Huang Changming-R66093; Anton Vorontsov; > Chris Ball > Subject: Re: [PATCH 1/4 v3] MMC/core: Add f_min to mmc_power_on() > > On 30 October 2012 09:12, <r66093@xxxxxxxxxxxxx> wrote: > > From: Jerry Huang <Chang-Ming.Huang@xxxxxxxxxxxxx> > > > > When f_init is zero, the SDHC can't work correctly. So f_min will > replace > > f_init, when f_init is zero. > > > > Signed-off-by: Jerry Huang <Chang-Ming.Huang@xxxxxxxxxxxxx> > > CC: Anton Vorontsov <cbouatmailru@xxxxxxxxx> > > CC: Chris Ball <cjb@xxxxxxxxxx> > > --- > > changes for v2: > > - add the CC > > changes for v3: > > - enalbe the controller clock in platform, instead of core > > > > drivers/mmc/core/core.c | 5 ++++- > > 1 file changed, 4 insertions(+), 1 deletion(-) > > > > diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c > > index 06c42cf..9c162cd 100644 > > --- a/drivers/mmc/core/core.c > > +++ b/drivers/mmc/core/core.c > > @@ -1319,7 +1319,10 @@ static void mmc_power_up(struct mmc_host *host) > > */ > > mmc_delay(10); > > > > - host->ios.clock = host->f_init; > > + if (host->f_init) > > + host->ios.clock = host->f_init; > > + else > > + host->ios.clock = host->f_min; > > This should not be needed. host->f_init should never become zero, I > believe. > Uh, this patch can be removed. -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
