The core interrupt code expects the irq_set_affinity call to update the
effective affinity for the interrupt. This was not being done, so update
iproc_msi_irq_set_affinity() to do so.
Signed-off-by: Mark Tomlinson <mark.tomlinson@xxxxxxxxxxxxxxxxxxx>
---
drivers/pci/controller/pcie-iproc-msi.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/drivers/pci/controller/pcie-iproc-msi.c b/drivers/pci/controller/pcie-iproc-msi.c
index 3176ad3ab0e5..908475d27e0e 100644
--- a/drivers/pci/controller/pcie-iproc-msi.c
+++ b/drivers/pci/controller/pcie-iproc-msi.c
@@ -209,15 +209,20 @@ static int iproc_msi_irq_set_affinity(struct irq_data *data,
struct iproc_msi *msi = irq_data_get_irq_chip_data(data);
int target_cpu = cpumask_first(mask);
int curr_cpu;
+ int ret;
curr_cpu = hwirq_to_cpu(msi, data->hwirq);
if (curr_cpu == target_cpu)
- return IRQ_SET_MASK_OK_DONE;
+ ret = IRQ_SET_MASK_OK_DONE;
+ else {
+ /* steer MSI to the target CPU */
+ data->hwirq = hwirq_to_canonical_hwirq(msi, data->hwirq) + target_cpu;
+ ret = IRQ_SET_MASK_OK;
+ }
- /* steer MSI to the target CPU */
- data->hwirq = hwirq_to_canonical_hwirq(msi, data->hwirq) + target_cpu;
+ irq_data_update_effective_affinity(data, cpumask_of(target_cpu));
- return IRQ_SET_MASK_OK;
+ return ret;
}
static void iproc_msi_irq_compose_msi_msg(struct irq_data *data,
--
2.28.0
