[PATCH v3 4/6] iio: accel: adxl345: Remove single info instances

[Lothar Rubusch <l.rubusch@gmail.com>]

Add a common array adxl3x5_chip_info and an enum for
indexing. This allows to remove local redundantly
initialized code in the bus specific modules.

Signed-off-by: Lothar Rubusch <l.rubusch@gmail.com>
---
 drivers/iio/accel/adxl345.h      |  7 +++++++
 drivers/iio/accel/adxl345_core.c | 12 ++++++++++++
 drivers/iio/accel/adxl345_i2c.c  | 20 +++++---------------
 drivers/iio/accel/adxl345_spi.c  | 20 +++++---------------
 4 files changed, 29 insertions(+), 30 deletions(-)

diff --git a/drivers/iio/accel/adxl345.h b/drivers/iio/accel/adxl345.h
index 6b84a2cee..de6b1767d 100644
--- a/drivers/iio/accel/adxl345.h
+++ b/drivers/iio/accel/adxl345.h
@@ -26,11 +26,18 @@
  */
 #define ADXL375_USCALE	480000
 
+enum adxl345_device_type {
+	ADXL345,
+	ADXL375,
+};
+
 struct adxl345_chip_info {
 	const char *name;
 	int uscale;
 };
 
+extern const struct adxl345_chip_info adxl3x5_chip_info[];
+
 int adxl345_core_probe(struct device *dev, struct regmap *regmap,
 		       int (*setup)(struct device*, struct regmap*));
 
diff --git a/drivers/iio/accel/adxl345_core.c b/drivers/iio/accel/adxl345_core.c
index 33424edca..e3718d0dd 100644
--- a/drivers/iio/accel/adxl345_core.c
+++ b/drivers/iio/accel/adxl345_core.c
@@ -62,6 +62,18 @@ struct adxl345_data {
 		BIT(IIO_CHAN_INFO_SAMP_FREQ),				\
 }
 
+const struct adxl345_chip_info adxl3x5_chip_info[] = {
+	[ADXL345] = {
+		.name = "adxl345",
+		.uscale = ADXL345_USCALE,
+	},
+	[ADXL375] = {
+		.name = "adxl375",
+		.uscale = ADXL375_USCALE,
+	},
+};
+EXPORT_SYMBOL_NS_GPL(adxl3x5_chip_info, IIO_ADXL345);
+
 static const struct iio_chan_spec adxl345_channels[] = {
 	ADXL345_CHANNEL(0, X),
 	ADXL345_CHANNEL(1, Y),
diff --git a/drivers/iio/accel/adxl345_i2c.c b/drivers/iio/accel/adxl345_i2c.c
index 4065b8f7c..afb2d0b79 100644
--- a/drivers/iio/accel/adxl345_i2c.c
+++ b/drivers/iio/accel/adxl345_i2c.c
@@ -30,32 +30,22 @@ static int adxl345_i2c_probe(struct i2c_client *client)
 	return adxl345_core_probe(&client->dev, regmap, NULL);
 }
 
-static const struct adxl345_chip_info adxl345_i2c_info = {
-	.name = "adxl345",
-	.uscale = ADXL345_USCALE,
-};
-
-static const struct adxl345_chip_info adxl375_i2c_info = {
-	.name = "adxl375",
-	.uscale = ADXL375_USCALE,
-};
-
 static const struct i2c_device_id adxl345_i2c_id[] = {
-	{ "adxl345", (kernel_ulong_t)&adxl345_i2c_info },
-	{ "adxl375", (kernel_ulong_t)&adxl375_i2c_info },
+	{ "adxl345", (kernel_ulong_t)&adxl3x5_chip_info[ADXL345] },
+	{ "adxl375", (kernel_ulong_t)&adxl3x5_chip_info[ADXL375] },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, adxl345_i2c_id);
 
 static const struct of_device_id adxl345_of_match[] = {
-	{ .compatible = "adi,adxl345", .data = &adxl345_i2c_info },
-	{ .compatible = "adi,adxl375", .data = &adxl375_i2c_info },
+	{ .compatible = "adi,adxl345", .data = &adxl3x5_chip_info[ADXL345] },
+	{ .compatible = "adi,adxl375", .data = &adxl3x5_chip_info[ADXL375] },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, adxl345_of_match);
 
 static const struct acpi_device_id adxl345_acpi_match[] = {
-	{ "ADS0345", (kernel_ulong_t)&adxl345_i2c_info },
+	{ "ADS0345", (kernel_ulong_t)&adxl3x5_chip_info[ADXL345] },
 	{ }
 };
 MODULE_DEVICE_TABLE(acpi, adxl345_acpi_match);
diff --git a/drivers/iio/accel/adxl345_spi.c b/drivers/iio/accel/adxl345_spi.c
index 1094396ac..5c1109136 100644
--- a/drivers/iio/accel/adxl345_spi.c
+++ b/drivers/iio/accel/adxl345_spi.c
@@ -46,32 +46,22 @@ static int adxl345_spi_probe(struct spi_device *spi)
 	return adxl345_core_probe(&spi->dev, regmap, &adxl345_spi_setup);
 }
 
-static const struct adxl345_chip_info adxl345_spi_info = {
-	.name = "adxl345",
-	.uscale = ADXL345_USCALE,
-};
-
-static const struct adxl345_chip_info adxl375_spi_info = {
-	.name = "adxl375",
-	.uscale = ADXL375_USCALE,
-};
-
 static const struct spi_device_id adxl345_spi_id[] = {
-	{ "adxl345", (kernel_ulong_t)&adxl345_spi_info },
-	{ "adxl375", (kernel_ulong_t)&adxl375_spi_info },
+	{ "adxl345", (kernel_ulong_t)&adxl3x5_chip_info[ADXL345] },
+	{ "adxl375", (kernel_ulong_t)&adxl3x5_chip_info[ADXL375] },
 	{ }
 };
 MODULE_DEVICE_TABLE(spi, adxl345_spi_id);
 
 static const struct of_device_id adxl345_of_match[] = {
-	{ .compatible = "adi,adxl345", .data = &adxl345_spi_info },
-	{ .compatible = "adi,adxl375", .data = &adxl375_spi_info },
+	{ .compatible = "adi,adxl345", .data = &adxl3x5_chip_info[ADXL345] },
+	{ .compatible = "adi,adxl375", .data = &adxl3x5_chip_info[ADXL375] },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, adxl345_of_match);
 
 static const struct acpi_device_id adxl345_acpi_match[] = {
-	{ "ADS0345", (kernel_ulong_t)&adxl345_spi_info },
+	{ "ADS0345", (kernel_ulong_t)&adxl3x5_chip_info[ADXL345] },
 	{ }
 };
 MODULE_DEVICE_TABLE(acpi, adxl345_acpi_match);
-- 
2.25.1