drm/imx: imx-ldb: reduce scope of edid_len

The edid_len variable is never used again. Use a local variable instead
of storing it in the device structure.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>

diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c
index af757d1e21fedfc3e7d0e0a95a9560ce768d6266..41e2978cb1ebf278fa93ac803d6ea74d06ad5ecd 100644 (file)
--- a/drivers/gpu/drm/imx/imx-ldb.c
+++ b/drivers/gpu/drm/imx/imx-ldb.c
@@ -62,7 +62,6 @@ struct imx_ldb_channel {
        struct i2c_adapter *ddc;
        int chno;
        void *edid;
-       int edid_len;
        struct drm_display_mode mode;
        int mode_valid;
        u32 bus_format;
@@ -536,15 +535,14 @@ static int imx_ldb_panel_ddc(struct device *dev,
        }
 
        if (!channel->ddc) {
+               int edid_len;
+
                /* if no DDC available, fallback to hardcoded EDID */
                dev_dbg(dev, "no ddc available\n");
 
-               edidp = of_get_property(child, "edid",
-                                       &channel->edid_len);
+               edidp = of_get_property(child, "edid", &edid_len);
                if (edidp) {
-                       channel->edid = kmemdup(edidp,
-                                               channel->edid_len,
-                                               GFP_KERNEL);
+                       channel->edid = kmemdup(edidp, edid_len, GFP_KERNEL);
                } else if (!channel->panel) {
                        /* fallback to display-timings node */
                        ret = of_get_drm_display_mode(child,