> -Original Message-
> From: Ioana Radulescu [mailto:ruxandra.radule...@nxp.com]
> Sent: Thursday, June 15, 2017 11:55 AM
> To: gre...@linuxfoundation.org
> Cc: de...@driverdev.osuosl.org; linux-ker...@vger.kernel.org;
> ag...@suse.de; a...@arndb.de; linux-arm-ker...@lists.infradead.org; Bogdan
> Purcareata ; stuyo...@gmail.com; Laurentiu Tudor
> ; Ruxandra Ioana Radulescu
> ; Roy Pledge ; Haiying Wang
>
> 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
Acked-by: Bogdan Purcareata
> ---
> 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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