drm: omapdrm: dss: Make dss_dump_clocks() function static

The function isn't used outside of its compilation unit, make it static.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

drivers/gpu/drm/omapdrm/dss/dss.c

@@ -368,7 +368,8 @@ const char *dss_get_clk_source_name(enum dss_clk_source clk_src)
 	return dss_generic_clk_source_names[clk_src];
 }
 
-void dss_dump_clocks(struct seq_file *s)
+#if defined(CONFIG_OMAP2_DSS_DEBUGFS)
+static void dss_dump_clocks(struct seq_file *s)
 {
 	const char *fclk_name;
 	unsigned long fclk_rate;
@@ -387,6 +388,7 @@ void dss_dump_clocks(struct seq_file *s)
 
 	dss_runtime_put();
 }
+#endif
 
 static void dss_dump_regs(struct seq_file *s)
 {

drivers/gpu/drm/omapdrm/dss/dss.h

@@ -277,7 +277,6 @@ int dss_dpi_select_source(int port, enum omap_channel channel);
 void dss_select_hdmi_venc_clk_source(enum dss_hdmi_venc_clk_source_select);
 enum dss_hdmi_venc_clk_source_select dss_get_hdmi_venc_clk_source(void);
 const char *dss_get_clk_source_name(enum dss_clk_source clk_src);
-void dss_dump_clocks(struct seq_file *s);
 
 /* DSS VIDEO PLL */
 struct dss_pll *dss_video_pll_init(struct platform_device *pdev, int id,