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iio: amplifiers: hmc425a: use pointers in match table

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Change the match table to use pointers instead of device ids.
Remove type from state as it is not used anymore.

Also make the chip_info structures const.

Signed-off-by: Dumitru Ceclan <mitrutzceclan@gmail.com>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240220153553.2432-4-mitrutzceclan@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Dumitru Ceclan 2024-02-20 17:34:51 +02:00 committed by Jonathan Cameron
parent 2edb22571e
commit 09ac57ac01
1 changed files with 16 additions and 15 deletions
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31
drivers/iio/amplifiers/hmc425a.c
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@ -41,15 +41,14 @@ struct hmc425a_chip_info {
struct hmc425a_state {
struct mutex lock; /* protect sensor state */
struct hmc425a_chip_info *chip_info;
const struct hmc425a_chip_info *chip_info;
struct gpio_descs *gpios;
enum hmc425a_type type;
u32 gain;
};
static int gain_dB_to_code(struct hmc425a_state *st, int val, int val2, int *code)
{
struct hmc425a_chip_info *inf = st->chip_info;
const struct hmc425a_chip_info *inf = st->chip_info;
int gain;
if (val < 0)
@ -206,16 +205,7 @@ static const struct iio_chan_spec hmc425a_channels[] = {
HMC425A_CHAN(0),
};
/* Match table for of_platform binding */
static const struct of_device_id hmc425a_of_match[] = {
{ .compatible = "adi,hmc425a", .data = (void *)ID_HMC425A },
{ .compatible = "adi,hmc540s", .data = (void *)ID_HMC540S },
{ .compatible = "adi,adrf5740", .data = (void *)ID_ADRF5740 },
{},
};
MODULE_DEVICE_TABLE(of, hmc425a_of_match);
static struct hmc425a_chip_info hmc425a_chip_info_tbl[] = {
static const struct hmc425a_chip_info hmc425a_chip_info_tbl[] = {
[ID_HMC425A] = {
.name = "hmc425a",
.channels = hmc425a_channels,
@ -262,9 +252,8 @@ static int hmc425a_probe(struct platform_device *pdev)
return -ENOMEM;
st = iio_priv(indio_dev);
st->type = (uintptr_t)device_get_match_data(&pdev->dev);
st->chip_info = &hmc425a_chip_info_tbl[st->type];
st->chip_info = device_get_match_data(&pdev->dev);
indio_dev->num_channels = st->chip_info->num_channels;
indio_dev->channels = st->chip_info->channels;
indio_dev->name = st->chip_info->name;
@ -296,6 +285,18 @@ static int hmc425a_probe(struct platform_device *pdev)
return devm_iio_device_register(&pdev->dev, indio_dev);
}
/* Match table for of_platform binding */
static const struct of_device_id hmc425a_of_match[] = {
{ .compatible = "adi,hmc425a",
.data = &hmc425a_chip_info_tbl[ID_HMC425A]},
{ .compatible = "adi,hmc540s",
.data = &hmc425a_chip_info_tbl[ID_HMC540S]},
{ .compatible = "adi,adrf5740",
.data = &hmc425a_chip_info_tbl[ID_ADRF5740]},
{}
};
MODULE_DEVICE_TABLE(of, hmc425a_of_match);
static struct platform_driver hmc425a_driver = {
.driver = {
.name = KBUILD_MODNAME,