i2c: stm32: Minor refactor of i2c_stm32_transfer function

sgilbert182 · carlescufi · commit 446a5ec49dae · 2025-03-20T12:17:50.000+01:00
Tidy up of i2c_stm32_transfer and added TX and RX semaphore inits

Signed-off-by: Simon Gilbert &lt;srdgilbert@gmail.com&gt;
diff --git a/drivers/i2c/i2c_ll_stm32.c b/drivers/i2c/i2c_ll_stm32.c
@@ -145,7 +145,8 @@ static int i2c_stm32_transfer(const struct device *dev, struct i2c_msg *msg,
 			      uint8_t num_msgs, uint16_t slave)
 {
 	struct i2c_stm32_data *data = dev->data;
-	struct i2c_msg *current, *next;
+	struct i2c_msg *current;
+	struct i2c_msg *next = NULL;
 	int ret = 0;
 
 	/* Check for validity of all messages, to prevent having to abort

Original file line number	Diff line number	Diff line change
`@@ -145,7 +145,8 @@ static int i2c_stm32_transfer(const struct device dev, struct i2c_msg msg,`
`145`	`145`	`uint8_t num_msgs, uint16_t slave)`
`146`	`146`	`{`
`147`	`147`	`struct i2c_stm32_data *data = dev->data;`
`148`		`- struct i2c_msg current, next;`
	`148`	`+ struct i2c_msg *current;`
	`149`	`+ struct i2c_msg *next = NULL;`
`149`	`150`	`int ret = 0;`
`150`	`151`
`151`	`152`	`/* Check for validity of all messages, to prevent having to abort`