[U-Boot] [PATCH v4 06/15] usb: dwc3-generic: factorize code

[Jean-Jacques Hiblot]

Factor code for re-usability.
This is another step toward adding host support.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot at ti.com>
---

Changes in v4: None
Changes in v3: None
Changes in v2: None

 drivers/usb/dwc3/dwc3-generic.c | 55 +++++++++++++++++++++------------
 1 file changed, 35 insertions(+), 20 deletions(-)

diff --git a/drivers/usb/dwc3/dwc3-generic.c b/drivers/usb/dwc3/dwc3-generic.c
index f29b93d191..d5c71d024f 100644
--- a/drivers/usb/dwc3/dwc3-generic.c
+++ b/drivers/usb/dwc3/dwc3-generic.c
@@ -28,27 +28,17 @@ struct dwc3_generic_plat {
 	enum usb_dr_mode dr_mode;
 };
 
-#if CONFIG_IS_ENABLED(DM_USB_GADGET)
 struct dwc3_generic_priv {
+	void *base;
 	struct dwc3 dwc3;
 	struct phy *phys;
 	int num_phys;
 };
 
-int dm_usb_gadget_handle_interrupts(struct udevice *dev)
-{
-	struct dwc3_generic_priv *priv = dev_get_priv(dev);
-	struct dwc3 *dwc3 = &priv->dwc3;
-
-	dwc3_gadget_uboot_handle_interrupt(dwc3);
-
-	return 0;
-}
-
-static int dwc3_generic_peripheral_probe(struct udevice *dev)
+static int dwc3_generic_probe(struct udevice *dev,
+			      struct dwc3_generic_priv *priv)
 {
 	int rc;
-	struct dwc3_generic_priv *priv = dev_get_priv(dev);
 	struct dwc3_generic_plat *plat = dev_get_platdata(dev);
 	struct dwc3 *dwc3 = &priv->dwc3;
 
@@ -59,22 +49,22 @@ static int dwc3_generic_peripheral_probe(struct udevice *dev)
 	if (rc)
 		return rc;
 
-	dwc3->regs = map_physmem(plat->base, DWC3_OTG_REGS_END, MAP_NOCACHE);
-	dwc3->regs += DWC3_GLOBALS_REGS_START;
+	priv->base = map_physmem(plat->base, DWC3_OTG_REGS_END, MAP_NOCACHE);
+	dwc3->regs = priv->base + DWC3_GLOBALS_REGS_START;
 	dwc3->dev = dev;
 
 	rc =  dwc3_init(dwc3);
 	if (rc) {
-		unmap_physmem(dwc3->regs, MAP_NOCACHE);
+		unmap_physmem(priv->base, MAP_NOCACHE);
 		return rc;
 	}
 
 	return 0;
 }
 
-static int dwc3_generic_peripheral_remove(struct udevice *dev)
+static int dwc3_generic_remove(struct udevice *dev,
+			       struct dwc3_generic_priv *priv)
 {
-	struct dwc3_generic_priv *priv = dev_get_priv(dev);
 	struct dwc3 *dwc3 = &priv->dwc3;
 
 	dwc3_remove(dwc3);
@@ -84,7 +74,7 @@ static int dwc3_generic_peripheral_remove(struct udevice *dev)
 	return 0;
 }
 
-static int dwc3_generic_peripheral_ofdata_to_platdata(struct udevice *dev)
+static int dwc3_generic_ofdata_to_platdata(struct udevice *dev)
 {
 	struct dwc3_generic_plat *plat = dev_get_platdata(dev);
 	int node = dev_of_offset(dev);
@@ -106,10 +96,35 @@ static int dwc3_generic_peripheral_ofdata_to_platdata(struct udevice *dev)
 	return 0;
 }
 
+#if CONFIG_IS_ENABLED(DM_USB_GADGET)
+int dm_usb_gadget_handle_interrupts(struct udevice *dev)
+{
+	struct dwc3_generic_priv *priv = dev_get_priv(dev);
+	struct dwc3 *dwc3 = &priv->dwc3;
+
+	dwc3_gadget_uboot_handle_interrupt(dwc3);
+
+	return 0;
+}
+
+static int dwc3_generic_peripheral_probe(struct udevice *dev)
+{
+	struct dwc3_generic_priv *priv = dev_get_priv(dev);
+
+	return dwc3_generic_probe(dev, priv);
+}
+
+static int dwc3_generic_peripheral_remove(struct udevice *dev)
+{
+	struct dwc3_generic_priv *priv = dev_get_priv(dev);
+
+	return dwc3_generic_remove(dev, priv);
+}
+
 U_BOOT_DRIVER(dwc3_generic_peripheral) = {
 	.name	= "dwc3-generic-peripheral",
 	.id	= UCLASS_USB_GADGET_GENERIC,
-	.ofdata_to_platdata = dwc3_generic_peripheral_ofdata_to_platdata,
+	.ofdata_to_platdata = dwc3_generic_ofdata_to_platdata,
 	.probe = dwc3_generic_peripheral_probe,
 	.remove = dwc3_generic_peripheral_remove,
 	.priv_auto_alloc_size = sizeof(struct dwc3_generic_priv),
-- 
2.17.1