Try to get the device's data using OF API. In case of failure, fallback
to the spi_get_device_id() method.
Signed-off-by: Slawomir Stepien <sst@xxxxxxxxx>
---
drivers/iio/potentiometer/mcp4131.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/iio/potentiometer/mcp4131.c b/drivers/iio/potentiometer/mcp4131.c
index b3e30db246cc..55f526a59215 100644
--- a/drivers/iio/potentiometer/mcp4131.c
+++ b/drivers/iio/potentiometer/mcp4131.c
@@ -42,6 +42,7 @@
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/of.h>
+#include <linux/of_device.h>
#include <linux/spi/spi.h>
#define MCP4131_WRITE (0x00 << 2)
@@ -254,7 +255,9 @@ static int mcp4131_probe(struct spi_device *spi)
data = iio_priv(indio_dev);
spi_set_drvdata(spi, indio_dev);
data->spi = spi;
- data->cfg = &mcp4131_cfg[devid];
+ data->cfg = of_device_get_match_data(&spi->dev);
+ if (!data->cfg)
+ data->cfg = &mcp4131_cfg[devid];
mutex_init(&data->lock);
@@ -273,7 +276,6 @@ static int mcp4131_probe(struct spi_device *spi)
return 0;
}
-#if defined(CONFIG_OF)
static const struct of_device_id mcp4131_dt_ids[] = {
{ .compatible = "microchip,mcp4131-502",
.data = &mcp4131_cfg[MCP413x_502] },
@@ -406,7 +408,6 @@ static const struct of_device_id mcp4131_dt_ids[] = {
{}
};
MODULE_DEVICE_TABLE(of, mcp4131_dt_ids);
-#endif /* CONFIG_OF */
static const struct spi_device_id mcp4131_id[] = {
{ "mcp4131-502", MCP413x_502 },
--
2.19.1
