staging: fbtft: fb_watterott: define backlight_ops statically

instead of devm_kzalloc'ing them

Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/fbtft/fb_watterott.c b/drivers/staging/fbtft/fb_watterott.c
index 33c21f1..3000f75 100644 (file)
--- a/drivers/staging/fbtft/fb_watterott.c
+++ b/drivers/staging/fbtft/fb_watterott.c
@@ -253,31 +253,24 @@ static int backlight_chip_update_status(struct backlight_device *bd)
        return 0;
 }
 
+static const struct backlight_ops bl_ops = {
+       .update_status = backlight_chip_update_status,
+};
+
 static void register_chip_backlight(struct fbtft_par *par)
 {
        struct backlight_device *bd;
        struct backlight_properties bl_props = { 0, };
-       struct backlight_ops *bl_ops;
 
        fbtft_par_dbg(DEBUG_BACKLIGHT, par, "%s()\n", __func__);
 
-       bl_ops = devm_kzalloc(par->info->device, sizeof(struct backlight_ops),
-                               GFP_KERNEL);
-       if (!bl_ops) {
-               dev_err(par->info->device,
-                       "%s: could not allocate memory for backlight operations.\n",
-                       __func__);
-               return;
-       }
-
-       bl_ops->update_status = backlight_chip_update_status;
        bl_props.type = BACKLIGHT_RAW;
        bl_props.power = FB_BLANK_POWERDOWN;
        bl_props.max_brightness = 100;
        bl_props.brightness = DEFAULT_BRIGHTNESS;
 
        bd = backlight_device_register(dev_driver_string(par->info->device),
-                               par->info->device, par, bl_ops, &bl_props);
+                               par->info->device, par, &bl_ops, &bl_props);
        if (IS_ERR(bd)) {
                dev_err(par->info->device,
                        "cannot register backlight device (%ld)\n",