Thread (16 messages) 16 messages, 5 authors, 2021-06-22

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

From: Andy Shevchenko <hidden>
Date: 2021-06-13 14:18:38
Also in: linux-spi, lkml

On Wed, Jun 9, 2021 at 7:07 PM Sebastian Reichel
[off-list ref] 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.
...
quoted hunk ↗ jump to hunk
@@ -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
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