[PATCH] doc:fix typo in 'mmc write' example

[Shirokov Alexander]

> Hi Shirokov,
>
> On Fri, 21 Apr 2023 at 22:48, Shirokov Alexander
> <shirokovalexs at gmail.com> wrote:
> >
> > Hello Simon,
> >
> > Thanks for your answer.Using 0x explicitly shows that we are working
> with HEX.
> > But without the prefix, it looks like a decimal number. And it's more
> confusing
> > when the number of blocks looks like a decimal but is interpreted as HEX.
> >
> > Here is an example:
> >
> >     mmc write 0x40000000 0x5000 16
> >     MMC write: dev # 1, block # 20480, count 22 ... 22 blocks written: OK
> >
> > This looks better. If we know that all number is HEX by default
> >     mmc write 40000000 5000 16
> >
> > Do we have to use something like this?
>
> The convention in U-Boot is to use hex, since it is a bootloader. So
> when you add 0x prefixes it confuses people into thinking that
> otherwise it would be decimal.
>
> BTW we did discuss adding a decimal prefix but they did not get much
> support at the time.
>
> Regards,
> Simon
>
> [1]
> https://patchwork.ozlabs.org/project/uboot/patch/20210720132940.1171011-13-sjg@chromium.org/
> [2]
> https://patchwork.ozlabs.org/project/uboot/patch/20210724150341.243074-13-sjg@chromium.org/
>

Thanks a lot, Simon

I prepared the patch without 0x prefix:
http://patchwork.ozlabs.org/project/uboot/patch/20230425100030.22403-1-shirokovalexs@gmail.com/

-- 
Regards,
Alexander