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lib: sbi_irqchip: Allow irqchip drivers advertise capabilities

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Extend struct sbi_irqchip_device to allow irqchip drivers advertise
interrupt controller capabilities (such as wired interrupt, MSIs, etc).
This further allows other parts of OpenSBI to lookup irqchip devices
based on capabilities.

Signed-off-by: Anup Patel <anup.patel@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260608125257.3220114-2-anup.patel@oss.qualcomm.com
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Anup Patel
2026-06-08 18:22:53 +05:30
committed by Anup Patel
parent a59c8fb9fb
commit 8570b93844
4 changed files with 32 additions and 1 deletions
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lib/utils/irqchip/aplic.c
+1
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@@ -307,6 +307,7 @@ int aplic_cold_irqchip_init(struct aplic_data *aplic)
/* Register irqchip device */
aplic->irqchip.id = aplic->unique_id;
aplic->irqchip.caps = SBI_IRQCHIP_CAPS_WIRED;
aplic->irqchip.num_hwirq = aplic->num_source + 1;
rc = sbi_irqchip_add_device(&aplic->irqchip);
if (rc)
lib/utils/irqchip/imsic.c
+1
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@@ -400,6 +400,7 @@ int imsic_cold_irqchip_init(struct imsic_data *imsic)
/* Register irqchip device */
imsic_device.id = imsic->unique_id;
imsic_device.caps = SBI_IRQCHIP_CAPS_MSI;
imsic_device.num_hwirq = imsic->num_ids + 1;
sbi_hartmask_set_all(&imsic_device.target_harts);
rc = sbi_irqchip_add_device(&imsic_device);