soc: fsl: dpio: Prefer the CPU affine DPIO (d0bab301) · Commits · 戴 / test

Use the cpu affine DPIO unless there isn't one which can happen if less DPIOs than cores are assign to the kernel. Signed-off-by:

drivers/soc/fsl/dpio/dpio-service.c

+5 −1

Original line number	Diff line number	Diff line
		@@ -58,7 +58,7 @@ static inline struct dpaa2_io service_select_by_cpu(struct dpaa2_io d,
		* If cpu == -1, choose the current cpu, with no guarantees about
		* potentially being migrated away.
		*/
		if (unlikely(cpu < 0))
		if (cpu < 0)
		cpu = smp_processor_id();

		/* If a specific cpu was requested, pick it up immediately */
		@@ -70,6 +70,10 @@ static inline struct dpaa2_io service_select(struct dpaa2_io d)
		if (d)
		return d;

		d = service_select_by_cpu(d, -1);
		if (d)
		return d;

		spin_lock(&dpio_list_lock);
		d = list_entry(dpio_list.next, struct dpaa2_io, node);
		list_del(&d->node);