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From: Andrew Davis <afd@ti.com>
To: Jean Delvare <jdelvare@suse.com>, Guenter Roeck <linux@roeck-us.net>,
        Juerg Haefliger <juergh@proton.me>, Riku Voipio <riku.voipio@iki.fi>
CC: <linux-hwmon@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        Andrew
 Davis <afd@ti.com>
Subject: [PATCH 03/31] hwmon: (adm1031) Remove use of i2c_match_id()
Date: Wed, 3 Apr 2024 15:36:05 -0500
Message-ID: <20240403203633.914389-4-afd@ti.com>
In-Reply-To: <20240403203633.914389-1-afd@ti.com>
References: <20240403203633.914389-1-afd@ti.com>
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The function i2c_match_id() is used to fetch the matching ID from
the i2c_device_id table. This is often used to then retrieve the
matching driver_data. This can be done in one step with the helper
i2c_get_match_data().

This helper has a couple other benefits:
 * It doesn't need the i2c_device_id passed in so we do not need
   to have that forward declared, allowing us to remove those or
   move the i2c_device_id table down to its more natural spot
   with the other module info.
 * It also checks for device match data, which allows for OF and
   ACPI based probing. That means we do not have to manually check
   those first and can remove those checks.

Signed-off-by: Andrew Davis <afd@ti.com>
---
 drivers/hwmon/adm1031.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/hwmon/adm1031.c b/drivers/hwmon/adm1031.c
index 88c7e0d62d089..343118532cdb4 100644
--- a/drivers/hwmon/adm1031.c
+++ b/drivers/hwmon/adm1031.c
@@ -1021,8 +1021,6 @@ static void adm1031_init_client(struct i2c_client *client)
 	data->update_interval = update_intervals[i];
 }
 
-static const struct i2c_device_id adm1031_id[];
-
 static int adm1031_probe(struct i2c_client *client)
 {
 	struct device *dev = &client->dev;
@@ -1035,7 +1033,7 @@ static int adm1031_probe(struct i2c_client *client)
 
 	i2c_set_clientdata(client, data);
 	data->client = client;
-	data->chip_type = i2c_match_id(adm1031_id, client)->driver_data;
+	data->chip_type = (uintptr_t)i2c_get_match_data(client);
 	mutex_init(&data->update_lock);
 
 	if (data->chip_type == adm1030)
-- 
2.39.2