Re: [PATCHv4 1/6] spi: add ancillary device support

From: Andy Shevchenko
Date: Sun Jun 13 2021 - 10:19:02 EST


On Wed, Jun 9, 2021 at 7:07 PM Sebastian Reichel
<sebastian.reichel@xxxxxxxxxxxxx> wrote:
>
> Introduce support for ancillary devices, similar to existing
> implementation for I2C. This is useful for devices having
> multiple chip-selects, for example some microcontrollers
> provide a normal SPI interface and a flashing SPI interface.

...

> @@ -1993,7 +2019,7 @@ static int of_spi_parse_dt(struct spi_controller *ctlr, struct spi_device *spi,
> }
>
> /* Device address */
> - rc = of_property_read_u32(nc, "reg", &value);
> + rc = of_property_read_u32_index(nc, "reg", 0, &value);
> if (rc) {
> dev_err(&ctlr->dev, "%pOF has no valid 'reg' property (%d)\n",
> nc, rc);

Unrelated change.

--
With Best Regards,
Andy Shevchenko