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Merge tag 'irqchip-fixes-5.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/core

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Pull irqchip fixes from Marc Zygnier:

 - Partially revert Xilinx changes that break PPC systems
This commit is contained in:
Thomas Gleixner
2020-04-01 12:00:52 +02:00
parent 458ef2a25e 4cea749d56
commit a67cd1fb66
4 changed files with 38 additions and 23 deletions
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35
drivers/irqchip/irq-xilinx-intc.c
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@@ -124,6 +124,20 @@ static unsigned int xintc_get_irq_local(struct xintc_irq_chip *irqc)
return irq;
}
unsigned int xintc_get_irq(void)
{
unsigned int irq = -1;
u32 hwirq;
hwirq = xintc_read(primary_intc, IVR);
if (hwirq != -1U)
irq = irq_find_mapping(primary_intc->root_domain, hwirq);
pr_debug("irq-xilinx: hwirq=%d, irq=%d\n", hwirq, irq);
return irq;
}
static int xintc_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw)
{
struct xintc_irq_chip *irqc = d->host_data;
@@ -163,25 +177,6 @@ static void xil_intc_irq_handler(struct irq_desc *desc)
chained_irq_exit(chip, desc);
}
static void xil_intc_handle_irq(struct pt_regs *regs)
{
u32 hwirq;
struct xintc_irq_chip *irqc = primary_intc;
do {
hwirq = xintc_read(irqc, IVR);
if (likely(hwirq != -1U)) {
int ret;
ret = handle_domain_irq(irqc->root_domain, hwirq, regs);
WARN_ONCE(ret, "Unhandled HWIRQ %d\n", hwirq);
continue;
}
break;
} while (1);
}
static int __init xilinx_intc_of_init(struct device_node *intc,
struct device_node *parent)
{
@@ -250,7 +245,7 @@ static int __init xilinx_intc_of_init(struct device_node *intc,
}
} else {
primary_intc = irqc;
set_handle_irq(xil_intc_handle_irq);
irq_set_default_host(primary_intc->root_domain);
}
return 0;