diff options
Diffstat (limited to 'drivers/soc/fsl/qbman/bman_portal.c')
| -rw-r--r-- | drivers/soc/fsl/qbman/bman_portal.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/soc/fsl/qbman/bman_portal.c b/drivers/soc/fsl/qbman/bman_portal.c index 2f71f7df3465..2c95cf59f3e7 100644 --- a/drivers/soc/fsl/qbman/bman_portal.c +++ b/drivers/soc/fsl/qbman/bman_portal.c @@ -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; } @@ -91,7 +93,15 @@ static int bman_portal_probe(struct platform_device *pdev) struct device_node *node = dev->of_node; struct bm_portal_config *pcfg; struct resource *addr_phys[2]; - int irq, cpu; + int irq, cpu, err; + + err = bman_is_probed(); + if (!err) + return -EPROBE_DEFER; + if (err < 0) { + dev_err(&pdev->dev, "failing probe due to bman probe error\n"); + return -ENODEV; + } pcfg = devm_kmalloc(dev, sizeof(*pcfg), GFP_KERNEL); if (!pcfg) |