[PATCH v2 03/17] dfu: rename dfu_tftp_write() to dfu_write_by_name()

[Lukasz Majewski <lukma@denx.de>]

Hi Sughosh,

> On Wed, 17 Jun 2020 at 08:25, AKASHI Takahiro
> <takahiro.akashi@linaro.org> wrote:
> 
> > This function is essentially independent from tffp, and will also be
> > utilised in implementing UEFI capsule update in a later commit.
> > So just give it a more generic name.
> > In addition, a new configuration option, CONFIG_DFU_ALT, was
> > introduced so that the file will be compiled with different
> > options, particularly one added in a later commit.
> >
> > Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
> > ---
> >  drivers/dfu/Kconfig                   |  5 +++++
> >  drivers/dfu/Makefile                  |  2 +-
> >  drivers/dfu/{dfu_tftp.c => dfu_alt.c} | 17 ++++++++++++--
> >  include/dfu.h                         | 32
> > +++++++++++++-------------- 4 files changed, 37 insertions(+), 19
> > deletions(-) rename drivers/dfu/{dfu_tftp.c => dfu_alt.c} (67%)
> >  
> 
> You are renaming dfu_tftp.c to dfu_alt.c. Can the two api's not be
> added to dfu.c directly. Is there a need for a separate dfu_alt.c. It
> finally depends on what Lukasz thinks.

If this rename is going to provide a common code to be used in both
use cases - then I'm fine with it.

UEFI seems to be different from tftp. And dfu_tftp.c name indicates
that it shall be used with tftp protocol.

However, I don't know what rationale is behind dfu_alt.c name?


> 
> <snip>
> 
> 
> > index ffae4bb54f80..5b1b13d7170d 100644
> > --- a/drivers/dfu/dfu_tftp.c
> > +++ b/drivers/dfu/dfu_alt.c
> > @@ -10,8 +10,21 @@
> >  #include <errno.h>
> >  #include <dfu.h>
> >
> > -int dfu_tftp_write(char *dfu_entity_name, unsigned int addr,
> > unsigned int len,
> > -                  char *interface, char *devstring)
> > +/**
> > + * dfu_write_by_name() - write data to DFU medium
> > + * @dfu_entity_name:    Name of DFU entity to write
> > + * @addr:               Address of data buffer to write
> > + * @len:                Number of bytes
> > + * @interface:          Destination DFU medium (e.g. "mmc")
> > + * @devstring:          Instance number of destination DFU medium
> > (e.g. "1")
> > + *
> > + * This function is storing data received on DFU supported medium
> > which
> > + * is specified by @dfu_entity_name.
> > + *
> > + * Return:              0 - on success, error code - otherwise
> > + */
> > +int dfu_write_by_name(char *dfu_entity_name, unsigned int addr,
> > +                     unsigned int len, char *interface, char
> > *devstring) {
> >  
> 
> I know that this has been taken from the original dfu_tftp.c, but the
> addr parameter needs to be a void pointer. The unsigned int does not
> work when addr is greater than 4GB. This needs to be changed for both
> the api's that are being added.
> 
> -sughosh




Best regards,

Lukasz Majewski

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