i3c: master: replace ENOTSUPP with SUSV4-compliant EOPNOTSUPP

Replace non-standard ENOTSUPP with the SUSV4-defined error code
EOPNOTSUPP to fix below checkpatch warning:
  "ENOTSUPP is not a SUSV4 error code, prefer EOPNOTSUPP"

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20250628192027.3932-6-wsa+renesas@sang-engineering.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

Author: Wolfram Sang

drivers/i3c/master.c

@@ -837,14 +837,14 @@ static int i3c_master_send_ccc_cmd_locked(struct i3c_master_controller *master,
 		return -EINVAL;
 
 	if (!master->ops->send_ccc_cmd)
-		return -ENOTSUPP;
+		return -EOPNOTSUPP;
 
 	if ((cmd->id & I3C_CCC_DIRECT) && (!cmd->dests || !cmd->ndests))
 		return -EINVAL;
 
 	if (master->ops->supports_ccc_cmd &&
 	    !master->ops->supports_ccc_cmd(master, cmd))
-		return -ENOTSUPP;
+		return -EOPNOTSUPP;
 
 	ret = master->ops->send_ccc_cmd(master, cmd);
 	if (ret) {
@@ -1439,7 +1439,7 @@ static int i3c_master_retrieve_dev_info(struct i3c_dev_desc *dev)
 
 	if (dev->info.bcr & I3C_BCR_HDR_CAP) {
 		ret = i3c_master_gethdrcap_locked(master, &dev->info);
-		if (ret && ret != -ENOTSUPP)
+		if (ret && ret != -EOPNOTSUPP)
 			return ret;
 	}
 
@@ -2210,7 +2210,7 @@ of_i3c_master_add_i2c_boardinfo(struct i3c_master_controller *master,
 	 */
 	if (boardinfo->base.flags & I2C_CLIENT_TEN) {
 		dev_err(dev, "I2C device with 10 bit address not supported.");
-		return -ENOTSUPP;
+		return -EOPNOTSUPP;
 	}
 
 	/* LVR is encoded in reg[2]. */
@@ -2340,13 +2340,13 @@ static int i3c_master_i2c_adapter_xfer(struct i2c_adapter *adap,
 		return -EINVAL;
 
 	if (!master->ops->i2c_xfers)
-		return -ENOTSUPP;
+		return -EOPNOTSUPP;
 
 	/* Doing transfers to different devices is not supported. */
 	addr = xfers[0].addr;
 	for (i = 1; i < nxfers; i++) {
 		if (addr != xfers[i].addr)
-			return -ENOTSUPP;
+			return -EOPNOTSUPP;
 	}
 
 	i3c_bus_normaluse_lock(&master->bus);
@@ -2768,7 +2768,7 @@ static int i3c_master_check_ops(const struct i3c_master_controller_ops *ops)
  *	    controller)
  * @ops: the master controller operations
  * @secondary: true if you are registering a secondary master. Will return
- *	       -ENOTSUPP if set to true since secondary masters are not yet
+ *	       -EOPNOTSUPP if set to true since secondary masters are not yet
  *	       supported
  *
  * This function takes care of everything for you:
@@ -2795,7 +2795,7 @@ int i3c_master_register(struct i3c_master_controller *master,
 
 	/* We do not support secondary masters yet. */
 	if (secondary)
-		return -ENOTSUPP;
+		return -EOPNOTSUPP;
 
 	ret = i3c_master_check_ops(ops);
 	if (ret)
@@ -2956,7 +2956,7 @@ int i3c_dev_do_priv_xfers_locked(struct i3c_dev_desc *dev,
 		return -EINVAL;
 
 	if (!master->ops->priv_xfers)
-		return -ENOTSUPP;
+		return -EOPNOTSUPP;
 
 	return master->ops->priv_xfers(dev, xfers, nxfers);
 }
@@ -3006,7 +3006,7 @@ int i3c_dev_request_ibi_locked(struct i3c_dev_desc *dev,
 	int ret;
 
 	if (!master->ops->request_ibi)
-		return -ENOTSUPP;
+		return -EOPNOTSUPP;
 
 	if (dev->ibi)
 		return -EBUSY;