[Uboot-stm32] [PATCH 1/3] env: mmc: allow support of mmc_get_env_dev with OF_CONTROL

Peng Fan peng.fan at nxp.com
Tue Apr 21 12:35:40 CEST 2020


> Subject: Re: [Uboot-stm32] [PATCH 1/3] env: mmc: allow support of
> mmc_get_env_dev with OF_CONTROL
> 
> Hi Tom
> 
> I just noticed that this env series is delegated to Peng Fan (mmc maintainer)
> instead of Joe Hershberger (env maintainer).
> 
> Is there any reason for this or perhaps is it just an error ?

Ah, I not notice the delegation issue. if you are concerned about this. 
I'll leave this to Joe and drop the patchset from my CI.

Thanks,
Peng.

> 
> Thanks
> 
> Patrice
> 
> On 3/19/20 10:59 AM, Patrick Delaunay wrote:
> > Use the weak function mmc_get_env_dev in mmc_offset_try_partition
> > function to allow dynamic selection of mmc device to use and no more
> > use directly the define CONFIG_SYS_MMC_ENV_DEV.
> >
> > Signed-off-by: Patrick Delaunay <patrick.delaunay at st.com>
> > ---
> >
> >  env/mmc.c | 18 ++++++++++++------
> >  1 file changed, 12 insertions(+), 6 deletions(-)
> >
> > diff --git a/env/mmc.c b/env/mmc.c
> > index 251ad07d7c..902cca23ad 100644
> > --- a/env/mmc.c
> > +++ b/env/mmc.c
> > @@ -24,14 +24,25 @@
> >
> >  DECLARE_GLOBAL_DATA_PTR;
> >
> > +#if !defined(CONFIG_SYS_MMC_ENV_DEV)
> > +#define CONFIG_SYS_MMC_ENV_DEV 0
> > +#endif
> > +
> > +__weak int mmc_get_env_dev(void)
> > +{
> > +	return CONFIG_SYS_MMC_ENV_DEV;
> > +}
> > +
> >  #if CONFIG_IS_ENABLED(OF_CONTROL)
> >  static inline int mmc_offset_try_partition(const char *str, s64 *val)
> > {
> >  	disk_partition_t info;
> >  	struct blk_desc *desc;
> >  	int len, i, ret;
> > +	char dev_str[4];
> >
> > -	ret = blk_get_device_by_str("mmc", STR(CONFIG_SYS_MMC_ENV_DEV),
> &desc);
> > +	snprintf(dev_str, sizeof(dev_str), "%d", mmc_get_env_dev());
> > +	ret = blk_get_device_by_str("mmc", dev_str, &desc);
> >  	if (ret < 0)
> >  		return (ret);
> >
> > @@ -114,11 +125,6 @@ __weak int mmc_get_env_addr(struct mmc
> *mmc, int copy, u32 *env_addr)
> >  	return 0;
> >  }
> >
> > -__weak int mmc_get_env_dev(void)
> > -{
> > -	return CONFIG_SYS_MMC_ENV_DEV;
> > -}
> > -
> >  #ifdef CONFIG_SYS_MMC_ENV_PART
> >  __weak uint mmc_get_env_part(struct mmc *mmc){


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