> -----Original Message----- > From: Aaron Lu [mailto:aaron...@amd.com] > Sent: Friday, January 13, 2012 2:32 PM > To: Huang Changming-R66093 > Cc: linux-mmc@vger.kernel.org; Chris Ball > Subject: Re: [PATCH 1/4 v3] MMC/core: Add f_min to mmc_power_on() > > Hi, > > On Fri, Jan 13, 2012 at 03:39:53AM +0000, Huang Changming-R66093 wrote: > > > > > > > -----Original Message----- > > > From: Aaron Lu [mailto:aaron...@amd.com] > > > Sent: Friday, January 13, 2012 11:27 AM > > > To: Huang Changming-R66093 > > > Cc: linux-mmc@vger.kernel.org; Chris Ball > > > Subject: Re: [PATCH 1/4 v3] MMC/core: Add f_min to mmc_power_on() > > > > > > Hi, > > > > > > On Fri, Jan 13, 2012 at 02:24:46AM +0000, Huang Changming-R66093 > wrote: > > > > Hi, Chris, > > > > Could you have any comment about this patch? > > > > Can it go into 3.3 or 3.4? > > > > > > > > > -----Original Message----- > > > > > From: Huang Changming-R66093 > > > > > Sent: Friday, December 09, 2011 10:54 AM > > > > > To: linux-mmc@vger.kernel.org > > > > > Cc: Huang Changming-R66093; Chris Ball > > > > > Subject: [PATCH 1/4 v3] MMC/core: Add f_min to mmc_power_on() > > > > > > > > > > From: Jerry Huang <chang-ming.hu...@freescale.com> > > > > > > > > > > When f_init is zero, the SDHC can't work correctly. So f_min > > > > > will replace f_init, when f_init is zero. > > > > > > What about setting f_init before your call to mmc_power_up? > > f_init is initialized only by mmc_rescan_try_freq, and mmc_power_up > will use it. > > But mmc_power_up will called not only by mmc_rescan_try_freq, but also > by other functions. > > You will see it in my previous email about it. > > > > Yes, I know there are other callers for mmc_power_up. > Either you set host->f_init in mmc_power_up, or you set it before you > call mmc_power_up. I prefer the latter one but I'm not sure which one > should be used. Maybe Chris can comment on this. > First, if the f_init is initialized, mmc_power_up will use it, if not, just the f_min is used. I think it is reasonable.
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