Hi Maxime,
On 5 January 2018 at 02:29, Maxime Ripard
<maxime.rip...@free-electrons.com> wrote:
> Hi Simon,
>
> On Thu, Dec 28, 2017 at 08:13:42PM -0700, Simon Glass wrote:
>> Hi Maxime,
>>
>> On 28 November 2017 at 03:24, Maxime Ripard
>> <maxime.rip...@free-electrons.com> wrote:
>> > Allow boards and architectures to override the default environment lookup
>> > code by overriding env_get_location.
>> >
>> > Reviewed-by: Lukasz Majewski <lu...@denx.de>
>> > Signed-off-by: Maxime Ripard <maxime.rip...@free-electrons.com>
>> > ---
>> > env/env.c | 2 +-
>> > 1 file changed, 1 insertion(+), 1 deletion(-)
>> >
>> > diff --git a/env/env.c b/env/env.c
>> > index b4d8886e7a69..9b8b38cf3c2b 100644
>> > --- a/env/env.c
>> > +++ b/env/env.c
>> > @@ -62,7 +62,7 @@ static enum env_location env_locations[] = {
>> >
>> > static enum env_location env_load_location;
>> >
>> > -static enum env_location env_get_location(enum env_operation op, int prio)
>> > +__weak enum env_location env_get_location(enum env_operation op, int prio)
>>
>> Is it possible instead to make this deterministic, so that the board
>> sets up the location during boot?
>
> I'm not really sure what you mean here. The default implementation is
> deterministic, and the board implementations should make sure that it
> is if it's of any value to them.
>
> Do you want me to add a comment to make that clearer?
I mean that the board presumably knows the location, so could set it
up (perhaps in global_data). Then env_get_location() can use it.
Making functions weak means everything becomes non-deterministic -
e.g. I cannot tell from the code what it is going to do.
>
> Thanks!
> Maxime
>
> --
> Maxime Ripard, Free Electrons
> Embedded Linux and Kernel engineering
> http://free-electrons.com
Regards,
Simon
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