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lib: sbi_irqchip: Keep the handler list in sorted order for irqchip

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Let's keep the handler list in sorted order for irqchip so that
it is easier to allocate unused hardware interrupts based on the
sorted list.

Signed-off-by: Anup Patel <anup.patel@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260423052339.356900-3-anup.patel@oss.qualcomm.com
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Anup Patel
2026-04-23 10:53:35 +05:30
committed by Anup Patel
parent 0d81a78ec5
commit 255df5d802
1 changed files with 13 additions and 2 deletions
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lib/sbi/sbi_irqchip.c
+13 -2
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@@ -139,7 +139,7 @@ int sbi_irqchip_register_handler(struct sbi_irqchip_device *chip,
u32 first_hwirq, u32 num_hwirq, u32 first_hwirq, u32 num_hwirq,
int (*callback)(u32 hwirq, void *opaque), void *priv) int (*callback)(u32 hwirq, void *opaque), void *priv)
{ {
struct sbi_irqchip_handler *h; struct sbi_irqchip_handler *h, *th, *nh;
u32 i, j; u32 i, j;
int rc; int rc;
@@ -162,7 +162,18 @@ int sbi_irqchip_register_handler(struct sbi_irqchip_device *chip,
h->num_hwirq = num_hwirq; h->num_hwirq = num_hwirq;
h->callback = callback; h->callback = callback;
h->priv = priv; h->priv = priv;
sbi_list_add_tail(&h->node, &chip->handler_list);
nh = NULL;
sbi_list_for_each_entry(th, &chip->handler_list, node) {
if (h->first_hwirq < th->first_hwirq) {
nh = th;
break;
}
}
if (nh)
sbi_list_add(&h->node, &nh->node);
else
sbi_list_add_tail(&h->node, &chip->handler_list);
if (chip->hwirq_setup) { if (chip->hwirq_setup) {
for (i = 0; i < h->num_hwirq; i++) { for (i = 0; i < h->num_hwirq; i++) {