linux-kernel - [tip:irq/urgent] genirq/debugfs: Fix build for !CONFIG_IRQ

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Date:   Tue, 4 Jul 2017 03:39:39 -0700
From:   tip-bot for Sebastian Ott <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     mingo@...nel.org, linux-kernel@...r.kernel.org, hpa@...or.com,
        sebott@...ux.vnet.ibm.com, tglx@...utronix.de
Subject: [tip:irq/urgent] genirq/debugfs: Fix build for !CONFIG_IRQ_DOMAIN

Commit-ID:  e5682b4eecb2b73282853d0ef314d3164b986997
Gitweb:     http://git.kernel.org/tip/e5682b4eecb2b73282853d0ef314d3164b986997
Author:     Sebastian Ott <sebott@...ux.vnet.ibm.com>
AuthorDate: Tue, 4 Jul 2017 11:25:15 +0200
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Tue, 4 Jul 2017 12:36:43 +0200

genirq/debugfs: Fix build for !CONFIG_IRQ_DOMAIN

Fix this build error:

kernel/irq/internals.h:440:20: error: inlining failed in call to always_inline
  'irq_domain_debugfs_init': function body not available
kernel/irq/debugfs.c:202:2: note: called from here
  irq_domain_debugfs_init(root_dir);
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Sebastian Ott <sebott@...ux.vnet.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Link: http://lkml.kernel.org/r/alpine.LFD.2.20.1707041124000.1712@schleppi

---
 kernel/irq/internals.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
index 9da14d1..dbfba99 100644
--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -437,7 +437,9 @@ static inline void irq_remove_debugfs_entry(struct irq_desc *desc)
 # ifdef CONFIG_IRQ_DOMAIN
 void irq_domain_debugfs_init(struct dentry *root);
 # else
-static inline void irq_domain_debugfs_init(struct dentry *root);
+static inline void irq_domain_debugfs_init(struct dentry *root)
+{
+}
 # endif
 #else /* CONFIG_GENERIC_IRQ_DEBUGFS */
 static inline void irq_add_debugfs_entry(unsigned int irq, struct irq_desc *d)