Commit d8bac81e authored by Madalin Bucur's avatar Madalin Bucur Committed by Li Yang
Browse files

soc: fsl: qbman: replace CPU 0 with any online CPU in hotplug handlers 



The existing code sets portal IRQ affinity to CPU 0 in the
offline hotplug handler. If CPU 0 is offline this is invalid.
Use a different online CPU instead.

Signed-off-by: default avatarMadalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: default avatarLi Yang <leoyang.li@nxp.com>
parent 9beaf661

drivers/soc/fsl/qbman/bman_portal.c

+3 −1
Original line number Diff line number Diff line
@@ -65,7 +65,9 @@ static int bman_offline_cpu(unsigned int cpu) 
	if (!pcfg)

		return 0;



	irq_set_affinity(pcfg->irq, cpumask_of(0));

	/* use any other online CPU */

	cpu = cpumask_any_but(cpu_online_mask, cpu);

	irq_set_affinity(pcfg->irq, cpumask_of(cpu));

	return 0;

}

drivers/soc/fsl/qbman/qman_portal.c

+4 −2
Original line number Diff line number Diff line
@@ -195,8 +195,10 @@ static int qman_offline_cpu(unsigned int cpu) 
	if (p) {

		pcfg = qman_get_qm_portal_config(p);

		if (pcfg) {

			irq_set_affinity(pcfg->irq, cpumask_of(0));

			qman_portal_update_sdest(pcfg, 0);

			/* select any other online CPU */

			cpu = cpumask_any_but(cpu_online_mask, cpu);

			irq_set_affinity(pcfg->irq, cpumask_of(cpu));

			qman_portal_update_sdest(pcfg, cpu);

		}

	}

	return 0;

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