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

From: Lothar Rubusch
Date: Sat Mar 23 2024 - 08:22:06 EST


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@xxxxxxxxx>
---
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