From 000ea484cd58164661277bb513c664a57770848d Mon Sep 17 00:00:00 2001
From: David Gow <davidgow@google.com>
Date: Mon, 9 May 2022 22:14:22 +0800
Subject: [PATCH] rust: Hide irq::Domain behind CONFIG_IRQ_DOMAIN

IRQ domains are not supported under all architectures, so hide the
Domain struct (and its implementation) behind CONFIG_IRQ_DOMAIN.

This is required for CONFIG_RUST to build and run under UML.

Signed-off-by: David Gow <davidgow@google.com>
---
 rust/kernel/irq.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/rust/kernel/irq.rs b/rust/kernel/irq.rs
index ca62849a5dc066..b1d067de69258d 100644
--- a/rust/kernel/irq.rs
+++ b/rust/kernel/irq.rs
@@ -352,10 +352,12 @@ impl Drop for ChainedGuard<'_> {
 /// # Invariants
 ///
 /// The pointer `Domain::ptr` is non-null and valid.
+#[cfg(CONFIG_IRQ_DOMAIN)]
 pub struct Domain {
     ptr: *mut bindings::irq_domain,
 }
 
+#[cfg(CONFIG_IRQ_DOMAIN)]
 impl Domain {
     /// Constructs a new `struct irq_domain` wrapper.
     ///