[U-Boot] [PATCH] dm: README: recommend u-boot.dtb to try driver-model on sandbox

[Simon Glass]

On 19 December 2014 at 06:39, Masahiro Yamada <yamada.m at jp.panasonic.com> wrote:
> Jagan,
>
> On Fri, 19 Dec 2014 18:43:37 +0530
> Jagan Teki <jagannadh.teki at gmail.com> wrote:
>
>> On 19 December 2014 at 10:46, Masahiro Yamada <yamada.m at jp.panasonic.com> wrote:
>> > To enjoy driver-model on sandbox, using device tree is recommended.
>> > While we are here, change sandbox_config to sandbox_defconfig too.
>> >
>> > Signed-off-by: Masahiro Yamada <yamada.m at jp.panasonic.com>
>> > ---
>> >
>> >  doc/driver-model/README.txt | 4 ++--
>> >  1 file changed, 2 insertions(+), 2 deletions(-)
>> >
>> > diff --git a/doc/driver-model/README.txt b/doc/driver-model/README.txt
>> > index 3e2f622..eafa825 100644
>> > --- a/doc/driver-model/README.txt
>> > +++ b/doc/driver-model/README.txt
>> > @@ -36,9 +36,9 @@ How to try it
>> >
>> >  Build U-Boot sandbox and run it:
>> >
>> > -   make sandbox_config
>> > +   make sandbox_defconfig
>> >     make
>> > -   ./u-boot
>> > +   ./u-boot -d u-boot.dtb
>>
>> this -d is an optional I suppose without dtb we can able to access dm isn't it?
>
>
> Without -d, DM can still have access to platform data, but
> arch/sandbox/sandbox.dts provies us more features.
> With "-d u-boot.dtb", you will notice a difference at glance: "cyan" terminal.

Acked-by: Simon Glass <sjg at chromium.org>

Masahiro, do you think U-Boot should automatically pick up u-boot.dtb
in the same directory as the executable, unless -d gives another file?
I suppose we could add a '--nodtb' option too.

Regards,
Simon