From 53de33fc00afd41fd0fd8fb9f5ab0d01df3a64a4 Mon Sep 17 00:00:00 2001 From: Kishon Vijay Abraham I Date: Mon, 23 Feb 2015 18:40:11 +0530 Subject: [PATCH] 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 Reviewed-by: Lukasz Majewski --- drivers/usb/dwc3/dwc3-omap.c | 20 ++++++++++++++++++++ include/dwc3-omap-uboot.h | 1 + 2 files changed, 21 insertions(+) diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c index c8275c79e3..46af109141 100644 --- a/drivers/usb/dwc3/dwc3-omap.c +++ b/drivers/usb/dwc3/dwc3-omap.c @@ -415,6 +415,26 @@ void dwc3_omap_uboot_exit(int index) } } +/** + * 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 "); MODULE_LICENSE("GPL v2"); diff --git a/include/dwc3-omap-uboot.h b/include/dwc3-omap-uboot.h index 29f02f85de..db002b9b6a 100644 --- a/include/dwc3-omap-uboot.h +++ b/include/dwc3-omap-uboot.h @@ -28,4 +28,5 @@ struct dwc3_omap_device { 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_ */ -- 2.30.2