[PATCH v4 2/9] reset: Add Raspberry Pi 4 firmware reset controller

Nicolas Saenz Julienne nsaenzjulienne at suse.de
Mon Jun 22 11:08:09 EDT 2020


Hi Andy,

On Mon, 2020-06-22 at 17:42 +0300, Andy Shevchenko wrote:
> On Mon, Jun 22, 2020 at 5:26 PM Nicolas Saenz Julienne
> <nsaenzjulienne at suse.de> wrote:
> > Raspberry Pi 4's co-processor controls some of the board's HW
> > initialization process, but it's up to Linux to trigger it when
> > relevant. Introduce a reset controller capable of interfacing with
> > RPi4's co-processor that models these firmware initialization routines as
> > reset lines.
> 
> ...
> 
> > +       struct device_node *fw_node;
> 
> If you are going to use fwnode (as it should be), make sure the proper
> data type is in use, i.e. struct fwnode_handle.
> 
> Otherwise, if you want to be OF centric (I discourage this, don't know
> if RPi4 is ever going to run RHEL or other distros that require non-DT
> firmwares), don't name fw_node. It's confusing.

I agree it is confusing. I'll rename it. On the other hand, this is strictly DT
centric.

Regards,
Nicolas

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