[PATCH v4 1/4] hwmon: (pmbus/mpq7932) Get page count based on chip info

From: Saravanan Sekar
Date: Wed Oct 11 2023 - 12:48:31 EST


Get page count using compatible match to support the series of chipsets
which differs in number of regualator/page.

Signed-off-by: Saravanan Sekar <saravanan@xxxxxxxxxxx>
---
drivers/hwmon/pmbus/mpq7932.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/hwmon/pmbus/mpq7932.c b/drivers/hwmon/pmbus/mpq7932.c
index 6c62f01da7c6..723c314a57a2 100644
--- a/drivers/hwmon/pmbus/mpq7932.c
+++ b/drivers/hwmon/pmbus/mpq7932.c
@@ -105,7 +105,7 @@ static int mpq7932_probe(struct i2c_client *client)
return -ENOMEM;

info = &data->info;
- info->pages = MPQ7932_NUM_PAGES;
+ info->pages = (int)(unsigned long)device_get_match_data(&client->dev);
info->format[PSC_VOLTAGE_OUT] = direct;
info->m[PSC_VOLTAGE_OUT] = 160;
info->b[PSC_VOLTAGE_OUT] = -33;
@@ -115,7 +115,7 @@ static int mpq7932_probe(struct i2c_client *client)
}

#if IS_ENABLED(CONFIG_SENSORS_MPQ7932_REGULATOR)
- info->num_regulators = ARRAY_SIZE(mpq7932_regulators_desc);
+ info->num_regulators = info->pages;
info->reg_desc = mpq7932_regulators_desc;
#endif

@@ -129,7 +129,7 @@ static int mpq7932_probe(struct i2c_client *client)
}

static const struct of_device_id mpq7932_of_match[] = {
- { .compatible = "mps,mpq7932"},
+ { .compatible = "mps,mpq7932", .data = (void *)MPQ7932_NUM_PAGES },
{},
};
MODULE_DEVICE_TABLE(of, mpq7932_of_match);
--
2.34.1