iio: adc: mcp320x: Drop unnecessary of_device_id attributes

The driver sets a .data pointer for each .compatible string but never
calls of_device_get_match_data().  Instead, ADC properties are looked up
with spi_get_device_id().  The .data pointer is therefore unnecessary,
so drop it.

Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/adc/mcp320x.c b/drivers/iio/adc/mcp320x.c
index 78a4955..40a0cd7 100644 (file)
--- a/drivers/iio/adc/mcp320x.c
+++ b/drivers/iio/adc/mcp320x.c
@@ -356,62 +356,25 @@ static int mcp320x_remove(struct spi_device *spi)
 #if defined(CONFIG_OF)
 static const struct of_device_id mcp320x_dt_ids[] = {
        /* NOTE: The use of compatibles with no vendor prefix is deprecated. */
-       {
-               .compatible = "mcp3001",
-               .data = &mcp320x_chip_infos[mcp3001],
-       }, {
-               .compatible = "mcp3002",
-               .data = &mcp320x_chip_infos[mcp3002],
-       }, {
-               .compatible = "mcp3004",
-               .data = &mcp320x_chip_infos[mcp3004],
-       }, {
-               .compatible = "mcp3008",
-               .data = &mcp320x_chip_infos[mcp3008],
-       }, {
-               .compatible = "mcp3201",
-               .data = &mcp320x_chip_infos[mcp3201],
-       }, {
-               .compatible = "mcp3202",
-               .data = &mcp320x_chip_infos[mcp3202],
-       }, {
-               .compatible = "mcp3204",
-               .data = &mcp320x_chip_infos[mcp3204],
-       }, {
-               .compatible = "mcp3208",
-               .data = &mcp320x_chip_infos[mcp3208],
-       }, {
-               .compatible = "mcp3301",
-               .data = &mcp320x_chip_infos[mcp3301],
-       }, {
-               .compatible = "microchip,mcp3001",
-               .data = &mcp320x_chip_infos[mcp3001],
-       }, {
-               .compatible = "microchip,mcp3002",
-               .data = &mcp320x_chip_infos[mcp3002],
-       }, {
-               .compatible = "microchip,mcp3004",
-               .data = &mcp320x_chip_infos[mcp3004],
-       }, {
-               .compatible = "microchip,mcp3008",
-               .data = &mcp320x_chip_infos[mcp3008],
-       }, {
-               .compatible = "microchip,mcp3201",
-               .data = &mcp320x_chip_infos[mcp3201],
-       }, {
-               .compatible = "microchip,mcp3202",
-               .data = &mcp320x_chip_infos[mcp3202],
-       }, {
-               .compatible = "microchip,mcp3204",
-               .data = &mcp320x_chip_infos[mcp3204],
-       }, {
-               .compatible = "microchip,mcp3208",
-               .data = &mcp320x_chip_infos[mcp3208],
-       }, {
-               .compatible = "microchip,mcp3301",
-               .data = &mcp320x_chip_infos[mcp3301],
-       }, {
-       }
+       { .compatible = "mcp3001" },
+       { .compatible = "mcp3002" },
+       { .compatible = "mcp3004" },
+       { .compatible = "mcp3008" },
+       { .compatible = "mcp3201" },
+       { .compatible = "mcp3202" },
+       { .compatible = "mcp3204" },
+       { .compatible = "mcp3208" },
+       { .compatible = "mcp3301" },
+       { .compatible = "microchip,mcp3001" },
+       { .compatible = "microchip,mcp3002" },
+       { .compatible = "microchip,mcp3004" },
+       { .compatible = "microchip,mcp3008" },
+       { .compatible = "microchip,mcp3201" },
+       { .compatible = "microchip,mcp3202" },
+       { .compatible = "microchip,mcp3204" },
+       { .compatible = "microchip,mcp3208" },
+       { .compatible = "microchip,mcp3301" },
+       { }
 };
 MODULE_DEVICE_TABLE(of, mcp320x_dt_ids);
 #endif