Move find and set the utmi mode to its own seperate function.
Improve code readability, decrease the dwc3_probe() size.
Signed-off-by: George Cherian <george.cherian@xxxxxx>
---
drivers/usb/dwc3/dwc3-omap.c | 44 +++++++++++++++++++++++++-------------------
1 file changed, 25 insertions(+), 19 deletions(-)
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index 0df8adf..2223ab8 100644
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -396,6 +396,30 @@ static void dwc3_omap_map_offset(struct dwc3_omap *omap)
}
}
+static void dwc3_omap_set_utmi_mode(struct dwc3_omap *omap)
+{
+ u32 reg;
+ struct device_node *node = omap->dev->of_node;
+ int utmi_mode = 0;
+
+ reg = dwc3_omap_read_utmi_status(omap);
+
+ of_property_read_u32(node, "utmi-mode", &utmi_mode);
+
+ switch (utmi_mode) {
+ case DWC3_OMAP_UTMI_MODE_SW:
+ reg |= USBOTGSS_UTMI_OTG_STATUS_SW_MODE;
+ break;
+ case DWC3_OMAP_UTMI_MODE_HW:
+ reg &= ~USBOTGSS_UTMI_OTG_STATUS_SW_MODE;
+ break;
+ default:
+ dev_dbg(omap->dev, "UNKNOWN utmi mode %d\n", utmi_mode);
+ }
+
+ dwc3_omap_write_utmi_status(omap, reg);
+}
+
static int dwc3_omap_probe(struct platform_device *pdev)
{
struct device_node *node = pdev->dev.of_node;
@@ -409,8 +433,6 @@ static int dwc3_omap_probe(struct platform_device *pdev)
int ret = -ENOMEM;
int irq;
- int utmi_mode = 0;
-
u32 reg;
void __iomem *base;
@@ -461,23 +483,7 @@ static int dwc3_omap_probe(struct platform_device *pdev)
}
dwc3_omap_map_offset(omap);
-
- reg = dwc3_omap_read_utmi_status(omap);
-
- of_property_read_u32(node, "utmi-mode", &utmi_mode);
-
- switch (utmi_mode) {
- case DWC3_OMAP_UTMI_MODE_SW:
- reg |= USBOTGSS_UTMI_OTG_STATUS_SW_MODE;
- break;
- case DWC3_OMAP_UTMI_MODE_HW:
- reg &= ~USBOTGSS_UTMI_OTG_STATUS_SW_MODE;
- break;
- default:
- dev_dbg(dev, "UNKNOWN utmi mode %d\n", utmi_mode);
- }
-
- dwc3_omap_write_utmi_status(omap, reg);
+ dwc3_omap_set_utmi_mode(omap);
/* check the DMA Status */
reg = dwc3_omap_readl(omap->base, USBOTGSS_SYSCONFIG);
--
1.8.3.1
--
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