usb: dwc3: omap: add dwc3_omap_map_offset() function

Move map offset to its own separate function.
Improve code readability, decrease the dwc3_probe() size.

Signed-off-by: George Cherian <george.cherian@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index 25a6075ef319cfed3ad96935f6b84abaf0bcbae3..22fca6291ff5c66dcedddc1dce754ffb1c5a00d9 100644 (file)
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -378,6 +378,27 @@ static int dwc3_omap_vbus_notifier(struct notifier_block *nb,
        return NOTIFY_DONE;
 }
 
+static void dwc3_omap_map_offset(struct dwc3_omap *omap)
+{
+       struct device_node      *node = omap->dev->of_node;
+
+       /*
+        * Differentiate between OMAP5 and AM437x.
+        *
+        * For OMAP5(ES2.0) and AM437x wrapper revision is same, even
+        * though there are changes in wrapper register offsets.
+        *
+        * Using dt compatible to differentiate AM437x.
+        */
+       if (of_device_is_compatible(node, "ti,am437x-dwc3")) {
+               omap->irq_eoi_offset = USBOTGSS_EOI_OFFSET;
+               omap->irq0_offset = USBOTGSS_IRQ0_OFFSET;
+               omap->irqmisc_offset = USBOTGSS_IRQMISC_OFFSET;
+               omap->utmi_otg_offset = USBOTGSS_UTMI_OTG_OFFSET;
+               omap->debug_offset = USBOTGSS_DEBUG_OFFSET;
+       }
+}
+
 static int dwc3_omap_probe(struct platform_device *pdev)
 {
        struct device_node      *node = pdev->dev.of_node;
@@ -442,22 +463,7 @@ static int dwc3_omap_probe(struct platform_device *pdev)
                goto err0;
        }
 
-       /*
-        * Differentiate between OMAP5 and AM437x.
-        *
-        * For OMAP5(ES2.0) and AM437x wrapper revision is same, even
-        * though there are changes in wrapper register offsets.
-        *
-        * Using dt compatible to differentiate AM437x.
-        */
-
-       if (of_device_is_compatible(node, "ti,am437x-dwc3")) {
-               omap->irq_eoi_offset = USBOTGSS_EOI_OFFSET;
-               omap->irq0_offset = USBOTGSS_IRQ0_OFFSET;
-               omap->irqmisc_offset = USBOTGSS_IRQMISC_OFFSET;
-               omap->utmi_otg_offset = USBOTGSS_UTMI_OTG_OFFSET;
-               omap->debug_offset = USBOTGSS_DEBUG_OFFSET;
-       }
+       dwc3_omap_map_offset(omap);
 
        reg = dwc3_omap_read_utmi_status(omap);