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- From 877cf6ae71c8eb9315014b3b379d9519ae6401b4 Mon Sep 17 00:00:00 2001
- From: Phil Elwell <[email protected]>
- Date: Wed, 3 Apr 2024 23:15:28 +0100
- Subject: [PATCH 1/5] mfd: rp1: Support interrupt CPU affinity
- See: https://github.com/raspberrypi/linux/issues/6077
- Signed-off-by: Phil Elwell <[email protected]>
- ---
- drivers/mfd/rp1.c | 9 +++++++++
- 1 file changed, 9 insertions(+)
- --- a/drivers/mfd/rp1.c
- +++ b/drivers/mfd/rp1.c
- @@ -141,11 +141,20 @@ static int rp1_irq_set_type(struct irq_d
- return ret;
- }
-
- +static int rp1_irq_set_affinity(struct irq_data *irqd, const struct cpumask *dest, bool force)
- +{
- + struct rp1_dev *rp1 = irqd->domain->host_data;
- + struct irq_data *pcie_irqd = rp1->pcie_irqds[irqd->hwirq];
- +
- + return msi_domain_set_affinity(pcie_irqd, dest, force);
- +}
- +
- static struct irq_chip rp1_irq_chip = {
- .name = "rp1_irq_chip",
- .irq_mask = rp1_mask_irq,
- .irq_unmask = rp1_unmask_irq,
- .irq_set_type = rp1_irq_set_type,
- + .irq_set_affinity = rp1_irq_set_affinity,
- };
-
- static void rp1_chained_handle_irq(struct irq_desc *desc)
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