linux-kernel - [PATCH 606/606] [DON'T APPLY] i2c: Switch .probe() to not take an id parameter

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Date:   Fri, 18 Nov 2022 23:45:40 +0100
From:   Uwe Kleine-König <uwe@...ine-koenig.org>
To:     Angel Iglesias <ang.iglesiasg@...il.com>,
        Lee Jones <lee.jones@...aro.org>,
        Grant Likely <grant.likely@...aro.org>,
        Wolfram Sang <wsa@...nel.org>
Cc:     linux-i2c@...r.kernel.org, kernel@...gutronix.de,
        linux-kernel@...r.kernel.org
Subject: [PATCH 606/606] [DON'T APPLY] i2c: Switch .probe() to not take an id parameter

---
 drivers/i2c/i2c-core-base.c | 11 ++---------
 include/linux/i2c.h         | 12 +++++++-----
 2 files changed, 9 insertions(+), 14 deletions(-)

diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c
index 087e480b624c..1fbe16221085 100644
--- a/drivers/i2c/i2c-core-base.c
+++ b/drivers/i2c/i2c-core-base.c
@@ -558,15 +558,8 @@ static int i2c_device_probe(struct device *dev)
 		goto err_detach_pm_domain;
 	}
 
-	/*
-	 * When there are no more users of probe(),
-	 * rename probe_new to probe.
-	 */
-	if (driver->probe_new)
-		status = driver->probe_new(client);
-	else if (driver->probe)
-		status = driver->probe(client,
-				       i2c_match_id(driver->id_table, client));
+	if (driver->probe)
+		status = driver->probe(client);
 	else
 		status = -EINVAL;
 
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index d84e0e99f084..7414ec3ba858 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -272,14 +272,16 @@ enum i2c_driver_flags {
 struct i2c_driver {
 	unsigned int class;
 
+	union {
 	/* Standard driver model interfaces */
-	int (*probe)(struct i2c_client *client, const struct i2c_device_id *id);
+		int (*probe)(struct i2c_client *client);
+		/* New driver model interface to aid the seamless removal of the
+		 * current probe()'s, more commonly unused than used second parameter.
+		 */
+		int (*probe_new)(struct i2c_client *client);
+	};
 	void (*remove)(struct i2c_client *client);
 
-	/* New driver model interface to aid the seamless removal of the
-	 * current probe()'s, more commonly unused than used second parameter.
-	 */
-	int (*probe_new)(struct i2c_client *client);
 
 	/* driver model interfaces that don't relate to enumeration  */
 	void (*shutdown)(struct i2c_client *client);
-- 
2.38.1