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Diffstat (limited to 'drivers/soc/fsl/qbman/dpaa_sys.h')
-rw-r--r--drivers/soc/fsl/qbman/dpaa_sys.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/soc/fsl/qbman/dpaa_sys.h b/drivers/soc/fsl/qbman/dpaa_sys.h
index 9f379000da85..ae8afa552b1e 100644
--- a/drivers/soc/fsl/qbman/dpaa_sys.h
+++ b/drivers/soc/fsl/qbman/dpaa_sys.h
@@ -111,4 +111,24 @@ int qbman_init_private_mem(struct device *dev, int idx, dma_addr_t *addr,
#define QBMAN_MEMREMAP_ATTR MEMREMAP_WC
#endif
+static inline int dpaa_set_portal_irq_affinity(struct device *dev,
+ int irq, int cpu)
+{
+ int ret = 0;
+
+ if (!irq_can_set_affinity(irq)) {
+ dev_err(dev, "unable to set IRQ affinity\n");
+ return -EINVAL;
+ }
+
+ if (cpu == -1 || !cpu_online(cpu))
+ cpu = cpumask_any(cpu_online_mask);
+
+ ret = irq_set_affinity(irq, cpumask_of(cpu));
+ if (ret)
+ dev_err(dev, "irq_set_affinity() on CPU %d failed\n", cpu);
+
+ return ret;
+}
+
#endif /* __DPAA_SYS_H */