RE: [PATCH 1/4 v3] MMC/core: Add f_min to mmc_power_on()

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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@xxxxxxxxxxxxxxx
> 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.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: 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 files changed, 4 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
> index a08e6b1..2d40c04 100644
> --- a/drivers/mmc/core/core.c
> +++ b/drivers/mmc/core/core.c
> @@ -1253,7 +1253,10 @@ 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;
> 
>  	host->ios.power_mode = MMC_POWER_ON;
>  	mmc_set_ios(host);
> --
> 1.7.5.4


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