> -----Original Message-----
> From: Matthijs Kooijman [mailto:matth...@stdin.nl]
> Sent: Monday, April 15, 2013 7:14 AM
>
> From: Stephen Warren <swar...@wwwdotorg.org>
>
> The top-level hcd interrupt handlers already used irq_return_t, but the
> functions to which it delegates the actual work and the common irq
> handler returned plain ints. In addition, they used the IRQ_RETVAL in
> the wrong way (but because of the values of the various constants, this
> didn't result in wrong behaviour).
>
> Signed-off-by: Stephen Warren <swar...@wwwdotorg.org>
> [matth...@stdin.nl: Split patch from bigger patch and added commit message]
> Signed-off-by: Matthijs Kooijman <matth...@stdin.nl>
> ---
> drivers/staging/dwc2/core_intr.c | 6 +++---
> drivers/staging/dwc2/hcd.c | 3 +--
> drivers/staging/dwc2/hcd.h | 6 +++---
> drivers/staging/dwc2/hcd_intr.c | 6 +++---
> 4 files changed, 10 insertions(+), 11 deletions(-)
...
> diff --git a/drivers/staging/dwc2/hcd_intr.c b/drivers/staging/dwc2/hcd_intr.c
> index caa31ba..0e6929c 100644
> --- a/drivers/staging/dwc2/hcd_intr.c
> +++ b/drivers/staging/dwc2/hcd_intr.c
> @@ -2063,10 +2063,10 @@ static void dwc2_hc_intr(struct dwc2_hsotg *hsotg)
> }
>
> /* This function handles interrupts for the HCD */
> -int dwc2_hcd_intr(struct dwc2_hsotg *hsotg)
> +irqreturn_t dwc2_hcd_intr(struct dwc2_hsotg *hsotg)
> {
> u32 gintsts, dbg_gintsts;
> - int retval = 0;
> + irqreturn_t retval = IRQ_NONE;
>
> if (dwc2_check_core_status(hsotg) < 0) {
> dev_warn(hsotg->dev, "Controller is disconnected");
> @@ -2083,7 +2083,7 @@ int dwc2_hcd_intr(struct dwc2_hsotg *hsotg)
> return 0;
This should be "return retval;"
If you fix that, then:
Acked-by: Paul Zimmerman <pa...@synopsys.com>
> }
> - retval = 1;
> + retval = IRQ_HANDLED;
>
> dbg_gintsts = gintsts;
> #ifndef DEBUG_SOF
> --
> 1.8.0
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