[U-Boot] [PATCH] gpio: mxc_gpio: enable DM gpio before relocation

[Markus Niebel <list-09_u-boot@tqsc.de>]

Hello Simon,

Am 16.06.2015 um 23:44 schrieb Simon Glass:
> Hi Markus,
> 
> On 16 June 2015 at 01:08, Markus Niebel <list-09_u-boot@tqsc.de> wrote:
>> From: Markus Niebel <Markus.Niebel@tq-group.com>
>>
>> gpio often are needed to detect revision and variants.
>> Therefore gpio should be available ASAP.
>>
>> Signed-off-by: Markus Niebel <Markus.Niebel@tq-group.com>
>> ---
>>  drivers/gpio/mxc_gpio.c | 1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/gpio/mxc_gpio.c b/drivers/gpio/mxc_gpio.c
>> index 2012f99..925758a 100644
>> --- a/drivers/gpio/mxc_gpio.c
>> +++ b/drivers/gpio/mxc_gpio.c
>> @@ -330,6 +330,7 @@ U_BOOT_DRIVER(gpio_mxc) = {
>>         .priv_auto_alloc_size = sizeof(struct mxc_bank_info),
>>         .of_match = mxc_gpio_ids,
>>         .bind   = mxc_gpio_bind,
>> +       .flags  = DM_FLAG_PRE_RELOC,
>>  };
>>
>>  #ifndef CONFIG_OF_CONTROL
>> --
>> 2.3.0
>>
> 
> This should really be done in the device tree with the
> u-boot,dm-pre-reloc property for the particular GPIO banks you need. I
> don't think this should be a global setting.
> 

I totally agree for the longer run - but tegra gpio does it the same way.

Regards,
Markus