[U-Boot] [PATCH 3/4] dfu: Find DFU alt setting number by passing its name

[Marek Vasut <marex@denx.de>]

Dear Lukasz Majewski,

> Hi Marek,
> 
> > Dear Lukasz Majewski,
> > 
> > > New function - dfu_get_alt() has been added to dfu core. If proper
> > > alt setting is present, this function returns its number
> > > corresponding to passed name.
> > > 
> > > Change-Id: Icd75f3aa3a6f6e306c77b28cabe620e4e6a253ea
> > > Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
> > > ---
> > > 
> > >  drivers/dfu/dfu.c |   12 ++++++++++++
> > >  include/dfu.h     |    1 +
> > >  2 files changed, 13 insertions(+)
> > > 
> > > diff --git a/drivers/dfu/dfu.c b/drivers/dfu/dfu.c
> > > index 2f1e2af..180d083 100644
> > > --- a/drivers/dfu/dfu.c
> > > +++ b/drivers/dfu/dfu.c
> > > @@ -414,3 +414,15 @@ struct dfu_entity *dfu_get_entity(int alt)
> > > 
> > >  	return NULL;
> > >  
> > >  }
> > > 
> > > +
> > > +int dfu_get_alt(const char *name)
> > > +{
> > > +	struct dfu_entity *dfu;
> > > +
> > > +	list_for_each_entry(dfu, &dfu_list, list) {
> > > +		if (!strncmp(dfu->name, name, strlen(dfu->name)))
> > > +			return dfu->alt;
> > > +	}
> > > +
> > > +	return -ENODEV;
> > > +}
> > > diff --git a/include/dfu.h b/include/dfu.h
> > > index 7779710..8838f9c 100644
> > > --- a/include/dfu.h
> > > +++ b/include/dfu.h
> > > @@ -112,6 +112,7 @@ const char *dfu_get_layout(enum dfu_layout l);
> > > 
> > >  struct dfu_entity *dfu_get_entity(int alt);
> > >  char *dfu_extract_token(char** e, int *n);
> > >  void dfu_trigger_reset(void);
> > > 
> > > +int dfu_get_alt(const char *name);
> > > 
> > >  bool dfu_reset(void);
> > >  
> > >  int dfu_read(struct dfu_entity *de, void *buf, int size, int
> > > 
> > > blk_seq_num);
> > 
> > Is this code used anywhere ?
> 
> Hmm.... By mistake I've added part of my ongoing USB related work to
> DFU fixes (as you see it is DFU related).
> 
> Since it is (for now) a dead code, please don't consider this patch.
> 
> Shall I prepare v2 without this patch or will you be so kind and
> review other patches in the current patch set?

Rest is OK, I'd like to know Heiko's opinion too before applying though.

Best regards,
Marek Vasut