hwmon: (pmbus/mpq7932) Get page count based on chip info

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@linumiz.com>
Link: https://lore.kernel.org/r/20231011164754.449399-2-saravanan@linumiz.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

diff --git a/drivers/hwmon/pmbus/mpq7932.c b/drivers/hwmon/pmbus/mpq7932.c
index 6c62f01da7c6123f9e7083ce0cc606ba92f33ccd..723c314a57a22e99f3ba9667c8592c9eed396ea5 100644 (file)
--- 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);