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path: root/drivers/mfd/arizona-spi.c
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Diffstat (limited to 'drivers/mfd/arizona-spi.c')
-rw-r--r--drivers/mfd/arizona-spi.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/mfd/arizona-spi.c b/drivers/mfd/arizona-spi.c
index 1e845f6d407b..850a63a3235e 100644
--- a/drivers/mfd/arizona-spi.c
+++ b/drivers/mfd/arizona-spi.c
@@ -27,7 +27,7 @@ static int arizona_spi_probe(struct spi_device *spi)
{
const struct spi_device_id *id = spi_get_device_id(spi);
struct arizona *arizona;
- const struct regmap_config *regmap_config;
+ const struct regmap_config *regmap_config = NULL;
unsigned long type;
int ret;
@@ -37,23 +37,27 @@ static int arizona_spi_probe(struct spi_device *spi)
type = id->driver_data;
switch (type) {
-#ifdef CONFIG_MFD_WM5102
case WM5102:
- regmap_config = &wm5102_spi_regmap;
+ if (IS_ENABLED(CONFIG_MFD_WM5102))
+ regmap_config = &wm5102_spi_regmap;
break;
-#endif
-#ifdef CONFIG_MFD_WM5110
case WM5110:
case WM8280:
- regmap_config = &wm5110_spi_regmap;
+ if (IS_ENABLED(CONFIG_MFD_WM5110))
+ regmap_config = &wm5110_spi_regmap;
break;
-#endif
default:
dev_err(&spi->dev, "Unknown device type %ld\n",
id->driver_data);
return -EINVAL;
}
+ if (!regmap_config) {
+ dev_err(&spi->dev,
+ "No kernel support for device type %ld\n", type);
+ return -EINVAL;
+ }
+
arizona = devm_kzalloc(&spi->dev, sizeof(*arizona), GFP_KERNEL);
if (arizona == NULL)
return -ENOMEM;