linux-kernel - [PATCH v4 4/4] mfd: max8998: Simplify obtaining I2C match data and drop max8998_i2c_get_driver

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Date:   Sat, 23 Sep 2023 18:49:28 +0100
From:   Biju Das <biju.das.jz@...renesas.com>
To:     Lee Jones <lee@...nel.org>
Cc:     Biju Das <biju.das.jz@...renesas.com>,
        linux-kernel@...r.kernel.org, Biju Das <biju.das.au@...il.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v4 4/4] mfd: max8998: Simplify obtaining I2C match data and drop max8998_i2c_get_driver_data()

Simplify probe() by using i2c_get_match_data() instead of
max8998_i2c_get_driver_data() for retrieving match data from
OF/ID tables.

Signed-off-by: Biju Das <biju.das.jz@...renesas.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
Note:
 This patch is only compile tested.

v3->v4:
 * Updated commit header.
V2->v3:
 * Added Rb tag from Andy.
v1->v2:
 * Used uintptr_t for enum casting.
---
 drivers/mfd/max8998.c | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/drivers/mfd/max8998.c b/drivers/mfd/max8998.c
index 4cc426a6c767..6ba27171da28 100644
--- a/drivers/mfd/max8998.c
+++ b/drivers/mfd/max8998.c
@@ -152,18 +152,8 @@ static struct max8998_platform_data *max8998_i2c_parse_dt_pdata(
 	return pd;
 }
 
-static inline unsigned long max8998_i2c_get_driver_data(struct i2c_client *i2c,
-						const struct i2c_device_id *id)
-{
-	if (i2c->dev.of_node)
-		return (unsigned long)of_device_get_match_data(&i2c->dev);
-
-	return id->driver_data;
-}
-
 static int max8998_i2c_probe(struct i2c_client *i2c)
 {
-	const struct i2c_device_id *id = i2c_client_get_device_id(i2c);
 	struct max8998_platform_data *pdata = dev_get_platdata(&i2c->dev);
 	struct max8998_dev *max8998;
 	int ret = 0;
@@ -183,7 +173,7 @@ static int max8998_i2c_probe(struct i2c_client *i2c)
 	max8998->dev = &i2c->dev;
 	max8998->i2c = i2c;
 	max8998->irq = i2c->irq;
-	max8998->type = max8998_i2c_get_driver_data(i2c, id);
+	max8998->type = (uintptr_t)i2c_get_match_data(i2c);
 	max8998->pdata = pdata;
 	if (pdata) {
 		max8998->ono = pdata->ono;
-- 
2.25.1