PCI: iproc: Set affinity mask on MSI interrupts (eb7eacaa) · Commits · 戴 / test

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. Link: https://lore.kernel.org/r/20200803035241.7737-1-mark.tomlinson@alliedtelesis.co.nz Fixes: ("PCI: iproc: Add iProc PCIe MSI support") Signed-off-by:

Mark Tomlinson <mark.tomlinson@alliedtelesis.co.nz> Signed-off-by:

Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reviewed-by:

Ray Jui <ray.jui@broadcom.com>

drivers/pci/controller/pcie-iproc-msi.c

+9 −4

Original line number	Diff line number	Diff line
		@@ -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;
		}

		return IRQ_SET_MASK_OK;
		irq_data_update_effective_affinity(data, cpumask_of(target_cpu));

		return ret;
		}

		static void iproc_msi_irq_compose_msi_msg(struct irq_data *data,

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