> -----Original Message-----
> From: Ioana Radulescu [mailto:[email protected]]
> Sent: Thursday, June 15, 2017 11:55 AM
> To: [email protected]
> Cc: [email protected]; [email protected];
> [email protected]; [email protected]; [email protected]; Bogdan
> Purcareata <[email protected]>; [email protected]; Laurentiu Tudor
> <[email protected]>; Ruxandra Ioana Radulescu
> <[email protected]>; Roy Pledge <[email protected]>; Haiying Wang
> <[email protected]>
> Subject: [PATCH] staging: fsl-mc/dpio: Propagate error code
> 
> dpaa2_io_service_register() returns zero even if
> qbman_swp_CDAN_set() encountered an error. Fix this
> by propagating the error code so the caller is informed
> data availability notifications are not properly set
> for a channel.
> 
> Signed-off-by: Ioana Radulescu <[email protected]>

Acked-by: Bogdan Purcareata <[email protected]>

> ---
>  drivers/staging/fsl-mc/bus/dpio/dpio-service.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/staging/fsl-mc/bus/dpio/dpio-service.c
> b/drivers/staging/fsl-mc/bus/dpio/dpio-service.c
> index e5d66749614c..762f045f53f7 100644
> --- a/drivers/staging/fsl-mc/bus/dpio/dpio-service.c
> +++ b/drivers/staging/fsl-mc/bus/dpio/dpio-service.c
> @@ -260,9 +260,9 @@ int dpaa2_io_service_register(struct dpaa2_io *d,
> 
>       /* Enable the generation of CDAN notifications */
>       if (ctx->is_cdan)
> -             qbman_swp_CDAN_set_context_enable(d->swp,
> -                                               (u16)ctx->id,
> -                                               ctx->qman64);
> +             return qbman_swp_CDAN_set_context_enable(d->swp,
> +                                                      (u16)ctx->id,
> +                                                      ctx->qman64);
>       return 0;
>  }
>  EXPORT_SYMBOL(dpaa2_io_service_register);
> --
> 2.11.0

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