[U-Boot] [PATCH v2 7/7] rpi: Force skip_init on serial devices

[Simon Glass]

Hi Alex,

On 17 January 2018 at 15:08, Alexander Graf <agraf at suse.de> wrote:
>
>
> On 17.01.18 20:40, Simon Glass wrote:
>> Hi Alex,
>>
>> On 17 January 2018 at 00:54, Alexander Graf <agraf at suse.de> wrote:
>>> The serial devices on the raspberry pi are based on clocks we can't easily
>>> read and influence in U-Boot. However, the serial devices are always already
>>> properly set up when coming up, so all we need to do is leave them alone.
>>>
>>> The way to do that is to specify "skip-init" in device tree usually, but
>>> if we set CONFIG_OF_BOARD to get the device tree from the RPi firmware,
>>> that does not have skip-init properly set.
>>>
>>> So instead we just force it in board specific code. That way serial devices
>>> also work fine when skip-init is not passed explicitly in DT.
>>>
>>> Signed-off-by: Alexander Graf <agraf at suse.de>
>>> ---
>>>  board/raspberrypi/rpi/rpi.c        | 7 +++++++
>>>  drivers/serial/serial_bcm283x_mu.c | 2 +-
>>>  drivers/serial/serial_pl01x.c      | 2 +-
>>>  3 files changed, 9 insertions(+), 2 deletions(-)
>>
>> Would you mind converting these drivers to livetree before adding these patches?
>
> Uh, why? I don't quite see how it's related - and I'm not sure I'll make
> the rc1 cut-off even with just the pile I have right now :)

I'm trying to make sure that people that touch drivers convert them,
since otherwise it won't get done. I hope we can accept v2/v3 patches
which just miss rc1.

Regards,
Simon