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authorThomas Gleixner <tglx@linutronix.de>2020-01-24 20:08:51 +0100
committerThomas Gleixner <tglx@linutronix.de>2020-01-24 20:08:51 +0100
commit43ee74487bd2842cb4d37b5c62f074fbed2366b9 (patch)
treea1af19c05682a520fac5691c6f2885f8d28394ca /drivers/irqchip/irq-sifive-plic.c
parentgenirq, sched/isolation: Isolate from handling managed interrupts (diff)
parentirqchip/gic-v4.1: Allow direct invalidation of VLPIs (diff)
downloadlinux-43ee74487bd2842cb4d37b5c62f074fbed2366b9.tar.xz
linux-43ee74487bd2842cb4d37b5c62f074fbed2366b9.zip
Merge tag 'irqchip-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/core
Pull irqchip updates from Marc Zyngier: - Conversion of the SiFive PLIC to hierarchical domains - New SiFive GPIO irqchip driver - New Aspeed SCI irqchip driver - New NXP INTMUX irqchip driver - Additional support for the Meson A1 GPIO irqchip - First part of the GICv4.1 support - Assorted fixes
Diffstat (limited to 'drivers/irqchip/irq-sifive-plic.c')
-rw-r--r--drivers/irqchip/irq-sifive-plic.c30
1 files changed, 26 insertions, 4 deletions
diff --git a/drivers/irqchip/irq-sifive-plic.c b/drivers/irqchip/irq-sifive-plic.c
index 0aca5807a119..aa4af886e43a 100644
--- a/drivers/irqchip/irq-sifive-plic.c
+++ b/drivers/irqchip/irq-sifive-plic.c
@@ -154,15 +154,37 @@ static struct irq_chip plic_chip = {
static int plic_irqdomain_map(struct irq_domain *d, unsigned int irq,
irq_hw_number_t hwirq)
{
- irq_set_chip_and_handler(irq, &plic_chip, handle_fasteoi_irq);
- irq_set_chip_data(irq, NULL);
+ irq_domain_set_info(d, irq, hwirq, &plic_chip, d->host_data,
+ handle_fasteoi_irq, NULL, NULL);
irq_set_noprobe(irq);
return 0;
}
+static int plic_irq_domain_alloc(struct irq_domain *domain, unsigned int virq,
+ unsigned int nr_irqs, void *arg)
+{
+ int i, ret;
+ irq_hw_number_t hwirq;
+ unsigned int type;
+ struct irq_fwspec *fwspec = arg;
+
+ ret = irq_domain_translate_onecell(domain, fwspec, &hwirq, &type);
+ if (ret)
+ return ret;
+
+ for (i = 0; i < nr_irqs; i++) {
+ ret = plic_irqdomain_map(domain, virq + i, hwirq + i);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
static const struct irq_domain_ops plic_irqdomain_ops = {
- .map = plic_irqdomain_map,
- .xlate = irq_domain_xlate_onecell,
+ .translate = irq_domain_translate_onecell,
+ .alloc = plic_irq_domain_alloc,
+ .free = irq_domain_free_irqs_top,
};
static struct irq_domain *plic_irqdomain;