[U-Boot] [PATCH 1/4] sf: Enable prints on erase and write functions

Jagan Teki jagannadh.teki at gmail.com
Tue Dec 11 07:37:15 CET 2012


Hi Simon,

I understand your concern.

But currently there is no prints a/f reading/writing/erasing the SPI flash.
User's are unable to confirm whether that particular sf commands are
properly done/not.

Thanks,
Jagan.

On Tue, Dec 11, 2012 at 12:56 AM, Simon Glass <sjg at chromium.org> wrote:

> Hi,
>
> On Mon, Dec 10, 2012 at 6:41 AM, Jagannadha Sutradharudu Teki
> <jagannadh.teki at gmail.com> wrote:
> > This patch provides to enabled the prints on erase and write
> > functions to make sure that how many bytes erase/write into flash device.
> >
> > Signed-off-by: Jagannadha Sutradharudu Teki <jagannadh.teki at gmail.com>
> > ---
> >  drivers/mtd/spi/spi_flash.c |    4 ++--
> >  1 files changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c
> > index 00aece9..464c2ab 100644
> > --- a/drivers/mtd/spi/spi_flash.c
> > +++ b/drivers/mtd/spi/spi_flash.c
> > @@ -115,7 +115,7 @@ int spi_flash_cmd_write_multi(struct spi_flash
> *flash, u32 offset,
> >                 byte_addr = 0;
> >         }
> >
> > -       debug("SF: program %s %zu bytes @ %#x\n",
> > +       printf("SF: program %s %zu bytes @ %#x\n",
> >               ret ? "failure" : "success", len, offset);
>
> I don't think we want this - it will make programming very slow and
> verbose.
>
> >
> >         spi_release_bus(flash->spi);
> > @@ -235,7 +235,7 @@ int spi_flash_cmd_erase(struct spi_flash *flash, u32
> offset, size_t len)
> >                         goto out;
> >         }
> >
> > -       debug("SF: Successfully erased %zu bytes @ %#x\n", len, start);
> > +       printf("SF: Successfully erased %zu bytes @ %#x\n", len, start);
>
> You may want to put this code into cmd_sf instead, where it is
> reasonable to add messages. You are changing core spi code which might
> be used from many places.
>
> >
> >   out:
> >         spi_release_bus(flash->spi);
> > --
> > 1.7.0.4
> >
> > _______________________________________________
> > U-Boot mailing list
> > U-Boot at lists.denx.de
> > http://lists.denx.de/mailman/listinfo/u-boot
>
> Regards,
> Simon
>


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