ARM: OMAP2+: gpmc: Introduce gpmc_set_legacy()

Introduce a helper function to complete the setting of some GPMC
parameters, only used when the gpmc is probed from a board file.
As such, it will go away once the DT conversion is completed.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/gpmc-nand.c

@@ -65,6 +65,17 @@ static bool gpmc_hwecc_bch_capable(enum omap_ecc ecc_opt)
 	return 1;
 }
 
+/* This function will go away once the device-tree convertion is complete */
+static void gpmc_set_legacy(struct omap_nand_platform_data *gpmc_nand_data,
+			    struct gpmc_settings *s)
+{
+	/* Enable RD PIN Monitoring Reg */
+	if (gpmc_nand_data->dev_ready) {
+		s->wait_on_read = true;
+		s->wait_on_write = true;
+	}
+}
+
 int gpmc_nand_init(struct omap_nand_platform_data *gpmc_nand_data,
 		   struct gpmc_timings *gpmc_t)
 {
@@ -100,15 +111,10 @@ int gpmc_nand_init(struct omap_nand_platform_data *gpmc_nand_data,
 		}
 	}
 
-	if (gpmc_nand_data->of_node) {
+	if (gpmc_nand_data->of_node)
 		gpmc_read_settings_dt(gpmc_nand_data->of_node, &s);
-	} else {
-		/* Enable RD PIN Monitoring Reg */
-		if (gpmc_nand_data->dev_ready) {
-			s.wait_on_read = true;
-			s.wait_on_write = true;
-		}
-	}
+	else
+		gpmc_set_legacy(gpmc_nand_data, &s);
 
 	s.device_nand = true;