From: Kishon Vijay Abraham I <kishon@ti.com>
Date: Mon, 23 Feb 2015 13:10:06 +0000 (+0530)
Subject: dwc3: core: added an API to invoke irq handlers
X-Git-Tag: submit/tizen/20160318.071304~181
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=418705f97fe56bc4cdd65e313908cb2e331f849d;p=profile%2Fcommon%2Fplatform%2Fkernel%2Fu-boot-artik.git

dwc3: core: added an API to invoke irq handlers

Since interrupt support is not present in u-boot, added an
API to handle the interrupts in dwc3 core. This API can be
polled to handle the interrupts.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Reviewed-by: Lukasz Majewski <l.majewski@samsung.com>
---

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index bd34dbd23..5a8d5ea88 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -758,6 +758,27 @@ void dwc3_uboot_exit(int index)
 	}
 }
 
+/**
+ * dwc3_uboot_handle_interrupt - handle dwc3 core interrupt
+ * @index: index of this controller
+ *
+ * Invokes dwc3 gadget interrupts.
+ *
+ * Generally called from board file.
+ */
+void dwc3_uboot_handle_interrupt(int index)
+{
+	struct dwc3 *dwc = NULL;
+
+	list_for_each_entry(dwc, &dwc3_list, list) {
+		if (dwc->index != index)
+			continue;
+
+		dwc3_gadget_uboot_handle_interrupt(dwc);
+		break;
+	}
+}
+
 MODULE_ALIAS("platform:dwc3");
 MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>");
 MODULE_LICENSE("GPL v2");
diff --git a/include/dwc3-uboot.h b/include/dwc3-uboot.h
index 272a0207b..09ff8a74d 100644
--- a/include/dwc3-uboot.h
+++ b/include/dwc3-uboot.h
@@ -38,4 +38,5 @@ struct dwc3_device {
 
 int dwc3_uboot_init(struct dwc3_device *dev);
 void dwc3_uboot_exit(int index);
+void dwc3_uboot_handle_interrupt(int index);
 #endif /* __DWC3_UBOOT_H_ */