[PATCHv2 05/13] usb: dwc2: Add the appropriate init calls in platform code

[dinguyen]

From: Dinh Nguyen <dingu...@altera.com>

Add the proper init calls for either host, gadget or both in platform.c

Signed-off-by: Dinh Nguyen <dingu...@altera.com>
---
 drivers/usb/dwc2/core.h     |   13 +++++++++++++
 drivers/usb/dwc2/gadget.c   |    2 +-
 drivers/usb/dwc2/platform.c |   28 ++++++++++++++++++++++++----
 3 files changed, 38 insertions(+), 5 deletions(-)

diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h
index 8d901b3..28541a8 100644
--- a/drivers/usb/dwc2/core.h
+++ b/drivers/usb/dwc2/core.h
@@ -956,6 +956,19 @@ extern void dwc2_dump_global_registers(struct dwc2_hsotg 
*hsotg);
  */
 extern u16 dwc2_get_otg_version(struct dwc2_hsotg *hsotg);
 
+/* Gadget defines */
+#if defined(CONFIG_USB_DWC2_PERIPHERAL) || defined(CONFIG_USB_DWC2_DUAL_ROLE)
+extern int s3c_hsotg_remove(struct dwc2_hsotg *hsotg);
+extern void s3c_hsotg_core_init(struct dwc2_hsotg *dwc2);
+extern int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq);
+#else
+static inline void s3c_hsotg_core_init(struct dwc2_hsotg *dwc2) {}
+static inline int s3c_hsotg_remove(struct dwc2_hsotg *dwc2)
+{ return 0; }
+static inline int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq)
+{ return 0; }
+#endif
+
 #if defined(CONFIG_USB_DWC2_HOST) || defined(CONFIG_USB_DWC2_DUAL_ROLE)
 /**
  * dwc2_hcd_get_frame_number() - Returns current frame number
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index c9c0d51..e8abbe8 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -3581,7 +3581,7 @@ err_clk:
  * s3c_hsotg_remove - remove function for hsotg driver
  * @pdev: The platform information for the driver
  */
-static int s3c_hsotg_remove(struct dwc2_hsotg *hsotg)
+int s3c_hsotg_remove(struct dwc2_hsotg *hsotg)
 {
        usb_del_gadget_udc(&hsotg->gadget);
 
diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c
index b531632..eb2a131 100644
--- a/drivers/usb/dwc2/platform.c
+++ b/drivers/usb/dwc2/platform.c
@@ -90,7 +90,14 @@ static int dwc2_driver_remove(struct platform_device *dev)
 {
        struct dwc2_hsotg *hsotg = platform_get_drvdata(dev);
 
-       dwc2_hcd_remove(hsotg);
+       if (IS_ENABLED(CONFIG_USB_DWC2_PERIPHERAL))
+               s3c_hsotg_remove(hsotg);
+       else if (IS_ENABLED(CONFIG_USB_DWC2_HOST))
+               dwc2_hcd_remove(hsotg);
+       else { /* dual role */
+               dwc2_hcd_remove(hsotg);
+               s3c_hsotg_remove(hsotg);
+       }
 
        return 0;
 }
@@ -172,9 +179,22 @@ static int dwc2_driver_probe(struct platform_device *dev)
        dev_dbg(&dev->dev, "mapped PA %08lx to VA %p\n",
                (unsigned long)res->start, hsotg->regs);
 
-       retval = dwc2_hcd_init(hsotg, irq, params);
-       if (retval)
-               return retval;
+       if (IS_ENABLED(CONFIG_USB_DWC2_DUAL_ROLE)) {
+               retval = dwc2_gadget_init(hsotg, irq);
+               if (retval)
+                       return retval;
+               retval = dwc2_hcd_init(hsotg, irq, params);
+               if (retval)
+                       return retval;
+       } else if (IS_ENABLED(CONFIG_USB_DWC2_HOST)) {
+               retval = dwc2_hcd_init(hsotg, irq, params);
+               if (retval)
+                       return retval;
+       } else if (IS_ENABLED(CONFIG_USB_DWC2_PERIPHERAL)) {
+               retval = dwc2_gadget_init(hsotg, irq);
+               if (retval)
+                       return retval;
+       }
 
        platform_set_drvdata(dev, hsotg);
 
-- 
1.7.9.5

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