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authorGeorge Cherian <george.cherian@ti.com>2014-07-16 18:37:06 +0530
committerFelipe Balbi <balbi@ti.com>2014-07-16 09:56:49 -0500
commit30fef1a97fb6551abb50b5208993726b878fe40f (patch)
tree3052c12d01f3b33dfd7b8d4b3a510e4492d4a5ba /drivers
parentca632a0d2fec10e62377a78a424d68c90f2e4345 (diff)
downloadblackbird-op-linux-30fef1a97fb6551abb50b5208993726b878fe40f.tar.gz
blackbird-op-linux-30fef1a97fb6551abb50b5208993726b878fe40f.zip
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/usb/dwc3/dwc3-omap.c38
1 files changed, 22 insertions, 16 deletions
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index 25a6075ef319..22fca6291ff5 100644
--- 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);
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