[PATCH 04/11] drm/bridge: analogix-anx78xx: convert to i2c_new_dummy_device

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The i2c_new_dummy() function is deprecated since it returns NULL on
error. Change this to use the recommended replacement
i2c_new_dummy_device() that returns an error code that can be read with
PTR_ERR() and friends.

Signed-off-by: Brian Masney <masneyb@xxxxxxxxxxxxx>
---
 drivers/gpu/drm/bridge/analogix-anx78xx.c | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/bridge/analogix-anx78xx.c b/drivers/gpu/drm/bridge/analogix-anx78xx.c
index 62dfced91384..8daee6b1fa88 100644
--- a/drivers/gpu/drm/bridge/analogix-anx78xx.c
+++ b/drivers/gpu/drm/bridge/analogix-anx78xx.c
@@ -1355,15 +1355,18 @@ static int anx78xx_i2c_probe(struct i2c_client *client,
 
 	/* Map slave addresses of ANX7814 */
 	for (i = 0; i < I2C_NUM_ADDRESSES; i++) {
-		anx78xx->i2c_dummy[i] = i2c_new_dummy(client->adapter,
-						anx78xx_i2c_addresses[i] >> 1);
-		if (!anx78xx->i2c_dummy[i]) {
-			err = -ENOMEM;
-			DRM_ERROR("Failed to reserve I2C bus %02x\n",
-				  anx78xx_i2c_addresses[i]);
+		struct i2c_client *i2c_dummy;
+
+		i2c_dummy = i2c_new_dummy_device(client->adapter,
+						 anx78xx_i2c_addresses[i] >> 1);
+		if (IS_ERR(i2c_dummy)) {
+			err = PTR_ERR(i2c_dummy);
+			DRM_ERROR("Failed to reserve I2C bus %02x: %d\n",
+				  anx78xx_i2c_addresses[i], err);
 			goto err_unregister_i2c;
 		}
 
+		anx78xx->i2c_dummy[i] = i2c_dummy;
 		anx78xx->map[i] = devm_regmap_init_i2c(anx78xx->i2c_dummy[i],
 						       &anx78xx_regmap_config);
 		if (IS_ERR(anx78xx->map[i])) {
-- 
2.21.0




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