OMAPDSS: picodlp: use devm_kzalloc for allocating driver data

Use devm_kzalloc instead of kzalloc to allocate driver data for the picodlp
panel driver. This simplifies the driver's probe and remove functions.

Signed-off-by: Archit Taneja <archit@ti.com>

diff --git a/drivers/video/omap2/displays/panel-picodlp.c b/drivers/video/omap2/displays/panel-picodlp.c
index 974ac29..56d536c 100644 (file)
--- a/drivers/video/omap2/displays/panel-picodlp.c
+++ b/drivers/video/omap2/displays/panel-picodlp.c
@@ -423,11 +423,11 @@ static int picodlp_panel_probe(struct omap_dss_device *dssdev)
        struct picodlp_panel_data *picodlp_pdata = get_panel_data(dssdev);
        struct i2c_adapter *adapter;
        struct i2c_client *picodlp_i2c_client;
-       int r = 0, picodlp_adapter_id;
+       int picodlp_adapter_id;
 
        dssdev->panel.timings = pico_ls_timings;
 
-       picod =  kzalloc(sizeof(struct picodlp_data), GFP_KERNEL);
+       picod = devm_kzalloc(&dssdev->dev, sizeof(*picod), GFP_KERNEL);
        if (!picod)
                return -ENOMEM;
 
@@ -438,25 +438,21 @@ static int picodlp_panel_probe(struct omap_dss_device *dssdev)
        adapter = i2c_get_adapter(picodlp_adapter_id);
        if (!adapter) {
                dev_err(&dssdev->dev, "can't get i2c adapter\n");
-               r = -ENODEV;
-               goto err;
+               return -ENODEV;
        }
 
        picodlp_i2c_client = i2c_new_device(adapter, &picodlp_i2c_board_info);
        if (!picodlp_i2c_client) {
                dev_err(&dssdev->dev, "can't add i2c device::"
                                         " picodlp_i2c_client is NULL\n");
-               r = -ENODEV;
-               goto err;
+               return -ENODEV;
        }
 
        picod->picodlp_i2c_client = picodlp_i2c_client;
 
        dev_set_drvdata(&dssdev->dev, picod);
-       return r;
-err:
-       kfree(picod);
-       return r;
+
+       return 0;
 }
 
 static void picodlp_panel_remove(struct omap_dss_device *dssdev)