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

[Alexander Graf]

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 :)


Alex