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lib: sbi_irqchip: Set the IRQ handler when registering a chip

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In addition to saving some code size, this moves the decision about
setting the top-level external interrupt handler to the irqchip core,
not the specific driver, which would be needed to support chained
interrupt handlers.

Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Samuel Holland
2024-11-04 20:10:10 -08:00
committed by Anup Patel
parent 678f5909a3
commit 111772353f
3 changed files with 7 additions and 19 deletions
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9
lib/sbi/sbi_irqchip.c
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@@ -20,12 +20,6 @@ static int default_irqfn(void)
static int (*ext_irqfn)(void) = default_irqfn;
void sbi_irqchip_set_irqfn(int (*fn)(void))
{
if (fn)
ext_irqfn = fn;
}
int sbi_irqchip_process(void)
{
return ext_irqfn();
@@ -34,6 +28,9 @@ int sbi_irqchip_process(void)
void sbi_irqchip_add_device(struct sbi_irqchip_device *dev)
{
sbi_list_add_tail(&dev->node, &irqchip_list);
if (dev->irq_handle)
ext_irqfn = dev->irq_handle;
}
int sbi_irqchip_init(struct sbi_scratch *scratch, bool cold_boot)