usb: dwc3: dwc3-omap: add interrupt status API to check for interrupts

Added an API to check for interrupt status. This API is generally called from board file to check for interrupt status. Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Reviewed-by: Lukasz Majewski <l.majewski@samsung.com>

usb: dwc3: dwc3-omap: add interrupt status API to check for interrupts
Added an API to check for interrupt status. This API is generally called from board file to check for interrupt status. Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Reviewed-by: Lukasz Majewski <l.majewski@samsung.com>
Kishon Vijay Abraham I · Marek Vasut
1 parent 57207657a1
Showing 2 changed files with 21 additions and 0 deletions Side-by-side Diff
drivers/usb/dwc3/dwc3-omap.c
include/dwc3-omap-uboot.h
@@ -415,6 +415,26 @@
 	}
 }
  
+/**
+ * dwc3_omap_uboot_interrupt_status - check the status of interrupt
+ * @index: index of this controller
+ *
+ * Checks the status of interrupts and returns true if an interrupt
+ * is detected or false otherwise.
+ *
+ * Generally called from board file.
+ */
+int dwc3_omap_uboot_interrupt_status(int index)
+{
+	struct dwc3_omap *omap = NULL;
+
+	list_for_each_entry(omap, &dwc3_omap_list, list)
+		if (omap->index == index)
+			return dwc3_omap_interrupt(-1, omap);
+
+	return 0;
+}
+
 MODULE_ALIAS("platform:omap-dwc3");
 MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>");
 MODULE_LICENSE("GPL v2");
@@ -28,5 +28,6 @@
  
 int dwc3_omap_uboot_init(struct dwc3_omap_device *dev);
 void dwc3_omap_uboot_exit(int index);
+int dwc3_omap_uboot_interrupt_status(int index);
 #endif /* __DWC3_OMAP_UBOOT_H_ */
...	...	@@ -415,6 +415,26 @@
415	415	}
416	416	}
417	417
	418	+/**
	419	+ * dwc3_omap_uboot_interrupt_status - check the status of interrupt
	420	+ * @index: index of this controller
	421	+ *
	422	+ * Checks the status of interrupts and returns true if an interrupt
	423	+ * is detected or false otherwise.
	424	+ *
	425	+ * Generally called from board file.
	426	+ */
	427	+int dwc3_omap_uboot_interrupt_status(int index)
	428	+{
	429	+ struct dwc3_omap *omap = NULL;
	430	+
	431	+ list_for_each_entry(omap, &dwc3_omap_list, list)
	432	+ if (omap->index == index)
	433	+ return dwc3_omap_interrupt(-1, omap);
	434	+
	435	+ return 0;
	436	+}
	437	+
418	438	MODULE_ALIAS("platform:omap-dwc3");
419	439	MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>");
420	440	MODULE_LICENSE("GPL v2");
...	...	@@ -28,5 +28,6 @@
28	28
29	29	int dwc3_omap_uboot_init(struct dwc3_omap_device *dev);
30	30	void dwc3_omap_uboot_exit(int index);
	31	+int dwc3_omap_uboot_interrupt_status(int index);
31	32	#endif /* __DWC3_OMAP_UBOOT_H_ */