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>
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index c8275c7..46af109 100644
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -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");