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

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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>
This commit is contained in:
Kishon Vijay Abraham I 2015-02-23 18:40:11 +05:30 committed by Marek Vasut
parent 57207657a1
commit 53de33fc00
2 changed files with 21 additions and 0 deletions
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20
drivers/usb/dwc3/dwc3-omap.c
View file

@ -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 <balbi@ti.com>");
MODULE_LICENSE("GPL v2");

1
include/dwc3-omap-uboot.h
View file

@ -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_ */