[U-Boot] env: sf: fix environment in SPI NOR

[Tom Rini]

On Mon, Jan 21, 2019 at 10:53:12AM +0100, Heiko Schocher wrote:
> Hello Tom,
> 
> Am 19.01.2019 um 03:54 schrieb Tom Rini:
> >On Fri, Jan 18, 2019 at 10:45:56AM +0100, Heiko Schocher wrote:
> >
> >>commit 9a9d66f5eff0 ("env: add spi_flash_read_env function")
> >>
> >>breaks Environment functionality, as it reads only
> >>until 2 \0 are found, but fills the buffer with 0x0
> >>instead 0xff which leads in an incorrect crc sum.
> >>
> >>Fix: init the read buffer with 0xff instead 0x00
> >>
> >>Signed-off-by: Heiko Schocher <hs at denx.de>
> >
> >Applied to u-boot/master, thanks!
> 
> I am sorry, this patch was nonsense. After erasing the flash, and
> saving a default Environment, the CONFIG_ENV_SIZE bytes are filled
> with 0x00. So the memset with 0x00 should be OK. I have no idea
> what gone wrong on my board :-(
> 
> I am not sure what gone wrong here, so, please can you revert this
> patch?

OK, thanks!

> 
> bye,
> Heiko
> -- 
> DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
> Phone: +49-8142-66989-52   Fax: +49-8142-66989-80   Email: hs at denx.de

-- 
Tom
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