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36 lines
1.1 KiB
Diff
36 lines
1.1 KiB
Diff
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From 877cf6ae71c8eb9315014b3b379d9519ae6401b4 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.com>
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Date: Wed, 3 Apr 2024 23:15:28 +0100
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Subject: [PATCH 1005/1085] mfd: rp1: Support interrupt CPU affinity
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See: https://github.com/raspberrypi/linux/issues/6077
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Signed-off-by: Phil Elwell <phil@raspberrypi.com>
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---
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drivers/mfd/rp1.c | 9 +++++++++
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1 file changed, 9 insertions(+)
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--- a/drivers/mfd/rp1.c
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+++ b/drivers/mfd/rp1.c
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@@ -141,11 +141,20 @@ static int rp1_irq_set_type(struct irq_d
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return ret;
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}
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+static int rp1_irq_set_affinity(struct irq_data *irqd, const struct cpumask *dest, bool force)
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+{
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+ struct rp1_dev *rp1 = irqd->domain->host_data;
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+ struct irq_data *pcie_irqd = rp1->pcie_irqds[irqd->hwirq];
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+
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+ return msi_domain_set_affinity(pcie_irqd, dest, force);
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+}
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+
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static struct irq_chip rp1_irq_chip = {
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.name = "rp1_irq_chip",
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.irq_mask = rp1_mask_irq,
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.irq_unmask = rp1_unmask_irq,
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.irq_set_type = rp1_irq_set_type,
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+ .irq_set_affinity = rp1_irq_set_affinity,
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};
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static void rp1_chained_handle_irq(struct irq_desc *desc)
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