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LoongArch: KVM: Add unregister helpers for the KVM interrupt devices

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The IPI/EIOINTC/PCH-PIC/DMSINTC KVM devices each have a helper that
registers their kvm_device_ops, but there is no counterpart to remove
them, so a caller that needs to undo a registration has to open-code
kvm_unregister_device_ops() with the matching device type.

Add kvm_loongarch_unregister_{ipi,eiointc,pch_pic,dmsintc}_device()
next to the existing register helpers. kvm_unregister_device_ops() is a
no-op when the corresponding device type is not currently registered.

No functional change, as there are no callers yet.

Cc: stable@vger.kernel.org
Suggested-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Chaithanya Lagisetty <nagachaithanya9911@gmail.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
This commit is contained in:
Chaithanya Lagisetty 2026-09-04 21:44:53 +08:00 • committed by Huacai Chen
commit 4af2217703
8 changed files with 24 additions and 0 deletions
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