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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 <ruxandra.radulescu@nxp.com>
Acked-by: Bogdan Purcareata <bogdan.purcareata@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ioana Radulescu 2017-06-15 03:55:06 -05:00 committed by Greg Kroah-Hartman
parent 125178d1eb
commit 30c9dbf317
1 changed files with 3 additions and 3 deletions
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6
drivers/staging/fsl-mc/bus/dpio/dpio-service.c
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@ -260,9 +260,9 @@ int dpaa2_io_service_register(struct dpaa2_io *d,
/* Enable the generation of CDAN notifications */ /* Enable the generation of CDAN notifications */
if (ctx->is_cdan) if (ctx->is_cdan)
qbman_swp_CDAN_set_context_enable(d->swp, return qbman_swp_CDAN_set_context_enable(d->swp,
(u16)ctx->id, (u16)ctx->id,
ctx->qman64); ctx->qman64);
return 0; return 0;
} }
EXPORT_SYMBOL(dpaa2_io_service_register); EXPORT_SYMBOL(dpaa2_io_service_register);