video: da8xx-fb: store struct device *

store struct device pointer so that dev_dbg/err can be used outside
of probe.
Signed-off-by: Afzal Mohammed <afzal@ti.com>
Signed-off-by: Darren Etheridge <detheridge@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

drivers/video/da8xx-fb.c

@@ -150,6 +150,7 @@ static inline void lcdc_write(unsigned int val, unsigned int addr)
 }
 
 struct da8xx_fb_par {
+	struct device		*dev;
 	resource_size_t p_palette_base;
 	unsigned char *v_palette_base;
 	dma_addr_t		vram_phys;
@@ -1291,6 +1292,7 @@ static int fb_probe(struct platform_device *device)
 	}
 
 	par = da8xx_fb_info->par;
+	par->dev = &device->dev;
 	par->lcdc_clk = fb_clk;
 	par->lcd_fck_rate = clk_get_rate(fb_clk);
 	if (fb_pdata->panel_power_ctrl) {