[U-Boot] [u-boot 23/40] dwc3: core: added an API to invoke irq handlers

[Lukasz Majewski <l.majewski@samsung.com>]

Hi Kishon,

> 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>
> ---
>  drivers/usb/dwc3/core.c |   21 +++++++++++++++++++++
>  include/dwc3-uboot.h    |    1 +
>  2 files changed, 22 insertions(+)
> 
> diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
> index bd34dbd..5a8d5ea 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 272a020..09ff8a7 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_ */

Reviewed-by: Lukasz Majewski <l.majewski@samsung.com>

-- 
Best regards,

Lukasz Majewski

Samsung R&D Institute Poland (SRPOL) | Linux Platform Group