[PATCH v4 5/6] iio: adc: ad7173: refactor device info structs

From: Dumitru Ceclan via B4 Relay
Date: Fri May 31 2024 - 15:43:23 EST

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From: Dumitru Ceclan <dumitru.ceclan@xxxxxxxxxx>

Drop array of device info structs and use individual structs for all;
drop models enum as no longer needed. This improves readability as the
structs are pointed directly.

Signed-off-by: Dumitru Ceclan <dumitru.ceclan@xxxxxxxxxx>
---
drivers/iio/adc/ad7173.c | 267 ++++++++++++++++++++++-------------------------
1 file changed, 127 insertions(+), 140 deletions(-)

diff --git a/drivers/iio/adc/ad7173.c b/drivers/iio/adc/ad7173.c
index ebfd2d5f9632..ed8ff8c5f343 100644
--- a/drivers/iio/adc/ad7173.c
+++ b/drivers/iio/adc/ad7173.c
@@ -129,16 +129,6 @@
#define AD7173_FILTER_ODR0_MASK GENMASK(5, 0)
#define AD7173_MAX_CONFIGS 8

-enum ad7173_ids {
- ID_AD7172_2,
- ID_AD7172_4,
- ID_AD7173_8,
- ID_AD7175_2,
- ID_AD7175_8,
- ID_AD7176_2,
- ID_AD7177_2,
-};
-
struct ad7173_device_info {
const unsigned int *sinc5_data_rates;
unsigned int num_sinc5_data_rates;
@@ -211,115 +201,119 @@ static const unsigned int ad7175_sinc5_data_rates[] = {
5000, /* 20 */
};

-static const struct ad7173_device_info ad7173_device_info[] = {
- [ID_AD7172_2] = {
- .name = "ad7172-2",
- .id = AD7172_2_ID,
- .num_inputs = 5,
- .num_channels = 4,
- .num_configs = 4,
- .num_gpios = 2,
- .has_temp = true,
- .has_input_buf = true,
- .has_int_ref = true,
- .has_common_input = true,
- .clock = 2 * HZ_PER_MHZ,
- .sinc5_data_rates = ad7173_sinc5_data_rates,
- .num_sinc5_data_rates = ARRAY_SIZE(ad7173_sinc5_data_rates),
- },
- [ID_AD7172_4] = {
- .name = "ad7172-4",
- .id = AD7172_4_ID,
- .num_inputs = 9,
- .num_channels = 8,
- .num_configs = 8,
- .num_gpios = 4,
- .has_temp = false,
- .has_input_buf = true,
- .has_ref2 = true,
- .has_common_input = true,
- .clock = 2 * HZ_PER_MHZ,
- .sinc5_data_rates = ad7173_sinc5_data_rates,
- .num_sinc5_data_rates = ARRAY_SIZE(ad7173_sinc5_data_rates),
- },
- [ID_AD7173_8] = {
- .name = "ad7173-8",
- .id = AD7173_ID,
- .num_inputs = 17,
- .num_channels = 16,
- .num_configs = 8,
- .num_gpios = 4,
- .has_temp = true,
- .has_input_buf = true,
- .has_int_ref = true,
- .has_ref2 = true,
- .has_common_input = false,
- .clock = 2 * HZ_PER_MHZ,
- .sinc5_data_rates = ad7173_sinc5_data_rates,
- .num_sinc5_data_rates = ARRAY_SIZE(ad7173_sinc5_data_rates),
- },
- [ID_AD7175_2] = {
- .name = "ad7175-2",
- .id = AD7175_2_ID,
- .num_inputs = 5,
- .num_channels = 4,
- .num_configs = 4,
- .num_gpios = 2,
- .has_temp = true,
- .has_input_buf = true,
- .has_int_ref = true,
- .has_common_input = true,
- .clock = 16 * HZ_PER_MHZ,
- .sinc5_data_rates = ad7175_sinc5_data_rates,
- .num_sinc5_data_rates = ARRAY_SIZE(ad7175_sinc5_data_rates),
- },
- [ID_AD7175_8] = {
- .name = "ad7175-8",
- .id = AD7175_8_ID,
- .num_inputs = 17,
- .num_channels = 16,
- .num_configs = 8,
- .num_gpios = 4,
- .has_temp = true,
- .has_input_buf = true,
- .has_int_ref = true,
- .has_ref2 = true,
- .has_common_input = true,
- .clock = 16 * HZ_PER_MHZ,
- .sinc5_data_rates = ad7175_sinc5_data_rates,
- .num_sinc5_data_rates = ARRAY_SIZE(ad7175_sinc5_data_rates),
- },
- [ID_AD7176_2] = {
- .name = "ad7176-2",
- .id = AD7176_ID,
- .num_inputs = 5,
- .num_channels = 4,
- .num_configs = 4,
- .num_gpios = 2,
- .has_temp = false,
- .has_input_buf = false,
- .has_int_ref = true,
- .has_common_input = false,
- .clock = 16 * HZ_PER_MHZ,
- .sinc5_data_rates = ad7175_sinc5_data_rates,
- .num_sinc5_data_rates = ARRAY_SIZE(ad7175_sinc5_data_rates),
- },
- [ID_AD7177_2] = {
- .name = "ad7177-2",
- .id = AD7177_ID,
- .num_inputs = 5,
- .num_channels = 4,
- .num_configs = 4,
- .num_gpios = 2,
- .has_temp = true,
- .has_input_buf = true,
- .has_int_ref = true,
- .has_common_input = true,
- .clock = 16 * HZ_PER_MHZ,
- .odr_start_value = AD7177_ODR_START_VALUE,
- .sinc5_data_rates = ad7175_sinc5_data_rates,
- .num_sinc5_data_rates = ARRAY_SIZE(ad7175_sinc5_data_rates),
- },
+static const struct ad7173_device_info ad7172_2_device_info = {
+ .name = "ad7172-2",
+ .id = AD7172_2_ID,
+ .num_inputs = 5,
+ .num_channels = 4,
+ .num_configs = 4,
+ .num_gpios = 2,
+ .has_temp = true,
+ .has_input_buf = true,
+ .has_int_ref = true,
+ .has_common_input = true,
+ .clock = 2 * HZ_PER_MHZ,
+ .sinc5_data_rates = ad7173_sinc5_data_rates,
+ .num_sinc5_data_rates = ARRAY_SIZE(ad7173_sinc5_data_rates),
+};
+
+static const struct ad7173_device_info ad7172_4_device_info = {
+ .name = "ad7172-4",
+ .id = AD7172_4_ID,
+ .num_inputs = 9,
+ .num_channels = 8,
+ .num_configs = 8,
+ .num_gpios = 4,
+ .has_temp = false,
+ .has_input_buf = true,
+ .has_ref2 = true,
+ .has_common_input = true,
+ .clock = 2 * HZ_PER_MHZ,
+ .sinc5_data_rates = ad7173_sinc5_data_rates,
+ .num_sinc5_data_rates = ARRAY_SIZE(ad7173_sinc5_data_rates),
+};
+
+static const struct ad7173_device_info ad7173_8_device_info = {
+ .name = "ad7173-8",
+ .id = AD7173_ID,
+ .num_inputs = 17,
+ .num_channels = 16,
+ .num_configs = 8,
+ .num_gpios = 4,
+ .has_temp = true,
+ .has_input_buf = true,
+ .has_int_ref = true,
+ .has_ref2 = true,
+ .has_common_input = false,
+ .clock = 2 * HZ_PER_MHZ,
+ .sinc5_data_rates = ad7173_sinc5_data_rates,
+ .num_sinc5_data_rates = ARRAY_SIZE(ad7173_sinc5_data_rates),
+};
+
+static const struct ad7173_device_info ad7175_2_device_info = {
+ .name = "ad7175-2",
+ .id = AD7175_2_ID,
+ .num_inputs = 5,
+ .num_channels = 4,
+ .num_configs = 4,
+ .num_gpios = 2,
+ .has_temp = true,
+ .has_input_buf = true,
+ .has_int_ref = true,
+ .has_common_input = true,
+ .clock = 16 * HZ_PER_MHZ,
+ .sinc5_data_rates = ad7175_sinc5_data_rates,
+ .num_sinc5_data_rates = ARRAY_SIZE(ad7175_sinc5_data_rates),
+};
+
+static const struct ad7173_device_info ad7175_8_device_info = {
+ .name = "ad7175-8",
+ .id = AD7175_8_ID,
+ .num_inputs = 17,
+ .num_channels = 16,
+ .num_configs = 8,
+ .num_gpios = 4,
+ .has_temp = true,
+ .has_input_buf = true,
+ .has_int_ref = true,
+ .has_ref2 = true,
+ .has_common_input = true,
+ .clock = 16 * HZ_PER_MHZ,
+ .sinc5_data_rates = ad7175_sinc5_data_rates,
+ .num_sinc5_data_rates = ARRAY_SIZE(ad7175_sinc5_data_rates),
+};
+
+static const struct ad7173_device_info ad7176_2_device_info = {
+ .name = "ad7176-2",
+ .id = AD7176_ID,
+ .num_inputs = 5,
+ .num_channels = 4,
+ .num_configs = 4,
+ .num_gpios = 2,
+ .has_temp = false,
+ .has_input_buf = false,
+ .has_int_ref = true,
+ .has_common_input = false,
+ .clock = 16 * HZ_PER_MHZ,
+ .sinc5_data_rates = ad7175_sinc5_data_rates,
+ .num_sinc5_data_rates = ARRAY_SIZE(ad7175_sinc5_data_rates),
+};
+
+static const struct ad7173_device_info ad7177_2_device_info = {
+ .name = "ad7177-2",
+ .id = AD7177_ID,
+ .num_inputs = 5,
+ .num_channels = 4,
+ .num_configs = 4,
+ .num_gpios = 2,
+ .has_temp = true,
+ .has_input_buf = true,
+ .has_int_ref = true,
+ .has_common_input = true,
+ .clock = 16 * HZ_PER_MHZ,
+ .odr_start_value = AD7177_ODR_START_VALUE,
+ .sinc5_data_rates = ad7175_sinc5_data_rates,
+ .num_sinc5_data_rates = ARRAY_SIZE(ad7175_sinc5_data_rates),
};

static const char *const ad7173_ref_sel_str[] = {
@@ -1190,32 +1184,25 @@ static int ad7173_probe(struct spi_device *spi)
}

static const struct of_device_id ad7173_of_match[] = {
- { .compatible = "adi,ad7172-2",
- .data = &ad7173_device_info[ID_AD7172_2]},
- { .compatible = "adi,ad7172-4",
- .data = &ad7173_device_info[ID_AD7172_4]},
- { .compatible = "adi,ad7173-8",
- .data = &ad7173_device_info[ID_AD7173_8]},
- { .compatible = "adi,ad7175-2",
- .data = &ad7173_device_info[ID_AD7175_2]},
- { .compatible = "adi,ad7175-8",
- .data = &ad7173_device_info[ID_AD7175_8]},
- { .compatible = "adi,ad7176-2",
- .data = &ad7173_device_info[ID_AD7176_2]},
- { .compatible = "adi,ad7177-2",
- .data = &ad7173_device_info[ID_AD7177_2]},
+ { .compatible = "adi,ad7172-2", .data = &ad7172_2_device_info},
+ { .compatible = "adi,ad7172-4", .data = &ad7172_4_device_info},
+ { .compatible = "adi,ad7173-8", .data = &ad7173_8_device_info},
+ { .compatible = "adi,ad7175-2", .data = &ad7175_2_device_info},
+ { .compatible = "adi,ad7175-8", .data = &ad7175_8_device_info},
+ { .compatible = "adi,ad7176-2", .data = &ad7176_2_device_info},
+ { .compatible = "adi,ad7177-2", .data = &ad7177_2_device_info},
{ }
};
MODULE_DEVICE_TABLE(of, ad7173_of_match);

static const struct spi_device_id ad7173_id_table[] = {
- { "ad7172-2", (kernel_ulong_t)&ad7173_device_info[ID_AD7172_2]},
- { "ad7172-4", (kernel_ulong_t)&ad7173_device_info[ID_AD7172_4]},
- { "ad7173-8", (kernel_ulong_t)&ad7173_device_info[ID_AD7173_8]},
- { "ad7175-2", (kernel_ulong_t)&ad7173_device_info[ID_AD7175_2]},
- { "ad7175-8", (kernel_ulong_t)&ad7173_device_info[ID_AD7175_8]},
- { "ad7176-2", (kernel_ulong_t)&ad7173_device_info[ID_AD7176_2]},
- { "ad7177-2", (kernel_ulong_t)&ad7173_device_info[ID_AD7177_2]},
+ { "ad7172-2", (kernel_ulong_t)&ad7172_2_device_info},
+ { "ad7172-4", (kernel_ulong_t)&ad7172_4_device_info},
+ { "ad7173-8", (kernel_ulong_t)&ad7173_8_device_info},
+ { "ad7175-2", (kernel_ulong_t)&ad7175_2_device_info},
+ { "ad7175-8", (kernel_ulong_t)&ad7175_8_device_info},
+ { "ad7176-2", (kernel_ulong_t)&ad7176_2_device_info},
+ { "ad7177-2", (kernel_ulong_t)&ad7177_2_device_info},
{ }
};
MODULE_DEVICE_TABLE(spi, ad7173_id_table);

--
2.43.0

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