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authorMarkus Stockhausen <markus.stockhausen@gmx.de>2026-06-05 23:16:43 +0200
committerThomas Gleixner <tglx@kernel.org>2026-06-29 17:19:06 +0200
commit2a3fa7f31f43580edcba5ee9f97473801aa3deec (patch)
tree4dbb85bd6d092ce1b330acca87b8893796d43859 /drivers/irqchip
parent2568f6926c667e0b4ecf523cb4015acefc40409a (diff)
downloadlinux-next-2a3fa7f31f43580edcba5ee9f97473801aa3deec.tar.gz
linux-next-2a3fa7f31f43580edcba5ee9f97473801aa3deec.zip
irqchip/irq-realtek-rtl: Add mask for interrupt handling
When using multiple domains for the Interrupt controller, each one must know which hardware interrupts it serves. Add a mask that is filled during setup and apply it during interrupt handling. Signed-off-by: Markus Stockhausen <markus.stockhausen@gmx.de> Signed-off-by: Thomas Gleixner <tglx@kernel.org> Link: https://patch.msgid.link/20260605211646.2101652-5-markus.stockhausen@gmx.de
Diffstat (limited to 'drivers/irqchip')
-rw-r--r--drivers/irqchip/irq-realtek-rtl.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/irqchip/irq-realtek-rtl.c b/drivers/irqchip/irq-realtek-rtl.c
index 547f21da3edc..9f792d4cb503 100644
--- a/drivers/irqchip/irq-realtek-rtl.c
+++ b/drivers/irqchip/irq-realtek-rtl.c
@@ -27,6 +27,7 @@
struct realtek_ictl_output {
struct irq_domain *domain;
+ u32 mask;
};
static DEFINE_RAW_SPINLOCK(irq_lock);
@@ -109,15 +110,17 @@ static struct irq_chip realtek_ictl_irq = {
.irq_set_affinity = realtek_ictl_irq_affinity,
};
-static int intc_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw)
+static int intc_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw_irq)
{
+ struct realtek_ictl_output *output = d->host_data;
unsigned int cpu;
irq_set_chip_and_handler(irq, &realtek_ictl_irq, handle_level_irq);
guard(raw_spinlock_irqsave)(&irq_lock);
+ output->mask |= BIT(hw_irq);
for_each_present_cpu(cpu)
- write_irr(cpu, hw, 1);
+ write_irr(cpu, hw_irq, 1);
return 0;
}
@@ -136,7 +139,7 @@ static void realtek_irq_dispatch(struct irq_desc *desc)
unsigned int hw_irq;
chained_irq_enter(chip, desc);
- pending = readl(REG(cpu, RTL_ICTL_GIMR)) & readl(REG(cpu, RTL_ICTL_GISR));
+ pending = readl(REG(cpu, RTL_ICTL_GIMR)) & readl(REG(cpu, RTL_ICTL_GISR)) & output->mask;
if (unlikely(!pending)) {
spurious_interrupt();