linux-kernel - [PATCH v2] eeprom: at24: use of_match

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Message-Id: <20231123103032.11396-1-brgl@bgdev.pl>
Date:   Thu, 23 Nov 2023 11:30:32 +0100
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Wolfram Sang <wsa@...-dreams.de>, Peter Rosin <peda@...ntia.se>
Cc:     linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org,
        Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH v2] eeprom: at24: use of_match_ptr()

From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>

This driver does not depend on CONFIG_OF so using of_match_ptr() makes
sense to reduce the size a bit.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
---
v1 -> v2:
- use __maybe_unused to avoid warnings about at24_of_match not being used

 drivers/misc/eeprom/at24.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c
index f61a80597a22..8279adade07e 100644
--- a/drivers/misc/eeprom/at24.c
+++ b/drivers/misc/eeprom/at24.c
@@ -18,6 +18,7 @@
 #include <linux/module.h>
 #include <linux/mutex.h>
 #include <linux/nvmem-provider.h>
+#include <linux/of.h>
 #include <linux/of_device.h>
 #include <linux/pm_runtime.h>
 #include <linux/property.h>
@@ -242,7 +243,7 @@ static const struct i2c_device_id at24_ids[] = {
 };
 MODULE_DEVICE_TABLE(i2c, at24_ids);
 
-static const struct of_device_id at24_of_match[] = {
+static const struct of_device_id __maybe_unused at24_of_match[] = {
 	{ .compatible = "atmel,24c00",		.data = &at24_data_24c00 },
 	{ .compatible = "atmel,24c01",		.data = &at24_data_24c01 },
 	{ .compatible = "atmel,24cs01",		.data = &at24_data_24cs01 },
@@ -812,7 +813,7 @@ static struct i2c_driver at24_driver = {
 	.driver = {
 		.name = "at24",
 		.pm = &at24_pm_ops,
-		.of_match_table = at24_of_match,
+		.of_match_table = of_match_ptr(at24_of_match),
 		.acpi_match_table = ACPI_PTR(at24_acpi_ids),
 	},
 	.probe = at24_probe,
-- 
2.40.1