Commit 30c9dbf3 authored Jun 15, 2017 by Ioana Radulescu Committed by Greg Kroah-Hartman Jun 23, 2017

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>

parent 125178d1

drivers/staging/fsl-mc/bus/dpio/dpio-service.c

+3 −3

Original line number	Diff line number	Diff line
		@@ -260,7 +260,7 @@ 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,
		return qbman_swp_CDAN_set_context_enable(d->swp,
		(u16)ctx->id,
		ctx->qman64);
		return 0;

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