[U-Boot] [PATCH] cmd/fdt: Make fdt get value endian-safe for single-cell properties

[Simon Glass]

Hi Andreas,

On 15 November 2016 at 10:07, Andreas Färber <afaerber at suse.de> wrote:
> Hi Simon,
>
> Am 28.10.2016 um 03:52 schrieb Simon Glass:
>> On 27 October 2016 at 05:44, Andreas Färber <afaerber at suse.de> wrote:
>>> Am 26.10.2016 um 21:19 schrieb Simon Glass:
>>>> On 26 October 2016 at 09:02, Andreas Färber <afaerber at suse.de> wrote:
>>>>> On a Raspberry Pi 2 disagreements on cell endianness can be observed:
>>>>>
>>>>>   U-Boot> fdt print /soc/gpio at 7e200000 phandle
>>>>>   phandle = <0x0000000d>
>>>>>   U-Boot> fdt get value myvar /soc/gpio at 7e200000 phandle; printenv myvar
>>>>>   myvar=0x0D000000
>>>>>
>>>>> Fix this by always treating the pointer as __be32 and converting it in
>>>>> fdt_value_setenv(), like its counterpart fdt_parse_prop() already does.
>>>>>
>>>>> Fixes: bc80295 ("fdt: Add get commands to fdt")
>>>>> Cc: Joe Hershberger <joe.hershberger at ni.com>
>>>>> Cc: Gerald Van Baren <gvb at unssw.com>
>>>>> Signed-off-by: Andreas Färber <afaerber at suse.de>
>>>>> ---
>>>>>  cmd/fdt.c | 2 +-
>>>>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>>>
>>>> The patch looks good, but please can you add a function comment to
>>>> fdt_value_setenv() ?
>>>
>>> Where and what should it say? There is a general comment above the
>>> function already, and by choosing __be32* instead of uint32_t* I thought
>>> my code was fairly self-documenting.
>>
>> It should explain what the function does and, importantly, what the
>> arguments and return value are.
>
> Can you please do general documentation updates in a separate patch on
> top of this bug fix, so that we can get this merged soonish?

Actually that is what I was asking you to do. A separate patch is fine :-)

Regards,
Simon