OMAPDSS: move the creation of debugfs files

Instead of having an ugly #ifdef mess in the core.c for creating debugfs
files, add a dss_debugfs_create_file() function that the dss drivers
can use to create the debugfs files.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c
index 9fdeb21..d5d80f9 100644
--- a/drivers/video/omap2/dss/dsi.c
+++ b/drivers/video/omap2/dss/dsi.c
@@ -1852,22 +1852,6 @@
 
 	dsi_dump_dsidev_irqs(dsidev, s);
 }
-
-void dsi_create_debugfs_files_irq(struct dentry *debugfs_dir,
-		const struct file_operations *debug_fops)
-{
-	struct platform_device *dsidev;
-
-	dsidev = dsi_get_dsidev_from_id(0);
-	if (dsidev)
-		debugfs_create_file("dsi1_irqs", S_IRUGO, debugfs_dir,
-			&dsi1_dump_irqs, debug_fops);
-
-	dsidev = dsi_get_dsidev_from_id(1);
-	if (dsidev)
-		debugfs_create_file("dsi2_irqs", S_IRUGO, debugfs_dir,
-			&dsi2_dump_irqs, debug_fops);
-}
 #endif
 
 static void dsi_dump_dsidev_regs(struct platform_device *dsidev,
@@ -1968,21 +1952,6 @@
 	dsi_dump_dsidev_regs(dsidev, s);
 }
 
-void dsi_create_debugfs_files_reg(struct dentry *debugfs_dir,
-		const struct file_operations *debug_fops)
-{
-	struct platform_device *dsidev;
-
-	dsidev = dsi_get_dsidev_from_id(0);
-	if (dsidev)
-		debugfs_create_file("dsi1_regs", S_IRUGO, debugfs_dir,
-			&dsi1_dump_regs, debug_fops);
-
-	dsidev = dsi_get_dsidev_from_id(1);
-	if (dsidev)
-		debugfs_create_file("dsi2_regs", S_IRUGO, debugfs_dir,
-			&dsi2_dump_regs, debug_fops);
-}
 enum dsi_cio_power_state {
 	DSI_COMPLEXIO_POWER_OFF		= 0x0,
 	DSI_COMPLEXIO_POWER_ON		= 0x1,
@@ -4733,6 +4702,17 @@
 
 	dsi_runtime_put(dsidev);
 
+	if (dsi_module == 0)
+		dss_debugfs_create_file("dsi1_regs", dsi1_dump_regs);
+	else if (dsi_module == 1)
+		dss_debugfs_create_file("dsi2_regs", dsi2_dump_regs);
+
+#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS
+	if (dsi_module == 0)
+		dss_debugfs_create_file("dsi1_irqs", dsi1_dump_irqs);
+	else if (dsi_module == 1)
+		dss_debugfs_create_file("dsi2_irqs", dsi2_dump_irqs);
+#endif
 	return 0;
 
 err_runtime_get: