Re: [PATCH v4 3/6] mfd: at91-usart: added mfd driver for usart

From: Alexandre Belloni
Date: Tue May 29 2018 - 05:32:38 EST


On 28/05/2018 11:00:49+0300, Andy Shevchenko wrote:
> On Fri, May 25, 2018 at 8:19 PM, Radu Pirea <radu.pirea@xxxxxxxxxxxxx> wrote:
> > This mfd driver is just a wrapper over atmel_serial driver and
> > spi-at91-usart driver. Selection of one of the drivers is based on a
> > property from device tree. If the property is not specified, the default
> > driver is atmel_serial.
>
> > + depends on OF
>
> What makes this driver OF specific?
>
> > + err = of_property_read_u32(np, "atmel,usart-mode", &opmode);
>
> Check unified device property API.
>

We don't care, this makes the driver OF specific and this is the correct
thing to do.


--
Alexandre Belloni, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com