[PATCH v3 1/7] firmware: raspberrypi: Introduce rpi_firmware_find_node()

[Maxime Ripard]

Hi Florian

On Fri, Oct 14, 2022 at 12:43:38PM -0700, Florian Fainelli wrote:
> On 10/13/22 02:13, Maxime Ripard wrote:
> > A significant number of RaspberryPi drivers using the firmware don't
> > have a phandle to it, so end up scanning the device tree to find a node
> > with the firmware compatible.
> > 
> > That code is duplicated everywhere, so let's introduce a helper instead.
> > 
> > Signed-off-by: Maxime Ripard <maxime at cerno.tech>
> > ---
> >   drivers/firmware/raspberrypi.c             | 7 +++++++
> >   include/soc/bcm2835/raspberrypi-firmware.h | 7 +++++++
> >   2 files changed, 14 insertions(+)
> > 
> > diff --git a/drivers/firmware/raspberrypi.c b/drivers/firmware/raspberrypi.c
> > index 4b8978b254f9..b916e1e171f8 100644
> > --- a/drivers/firmware/raspberrypi.c
> > +++ b/drivers/firmware/raspberrypi.c
> > @@ -311,6 +311,13 @@ static int rpi_firmware_remove(struct platform_device *pdev)
> >   	return 0;
> >   }
> > +static const struct of_device_id rpi_firmware_of_match[];
> 
> This shadows the same variable that is used later for matching the firmware
> driver and probe it as a platform_driver, what am I missing here?

I'm not shadowing the variable, but it's a forward-declaration.

Maxime