linux-kernel - [PATCH 3/5] irq: generic-chip: export irq_init_generic

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Message-Id: <1496246820-13250-4-git-send-email-brgl@bgdev.pl>
Date:   Wed, 31 May 2017 18:06:58 +0200
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <marc.zyngier@....com>,
        Jonathan Corbet <corbet@....net>
Cc:     linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
        Bartosz Golaszewski <brgl@...ev.pl>
Subject: [PATCH 3/5] irq: generic-chip: export irq_init_generic_chip() locally

This function will be used in the devres variant of
irq_alloc_generic_chip().

Signed-off-by: Bartosz Golaszewski <brgl@...ev.pl>
---
 kernel/irq/generic-chip.c |  7 +++----
 kernel/irq/internals.h    | 11 +++++++++++
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/kernel/irq/generic-chip.c b/kernel/irq/generic-chip.c
index ee32870..f7086b7 100644
--- a/kernel/irq/generic-chip.c
+++ b/kernel/irq/generic-chip.c
@@ -201,10 +201,9 @@ static void irq_writel_be(u32 val, void __iomem *addr)
 	iowrite32be(val, addr);
 }
 
-static void
-irq_init_generic_chip(struct irq_chip_generic *gc, const char *name,
-		      int num_ct, unsigned int irq_base,
-		      void __iomem *reg_base, irq_flow_handler_t handler)
+void irq_init_generic_chip(struct irq_chip_generic *gc, const char *name,
+			   int num_ct, unsigned int irq_base,
+			   void __iomem *reg_base, irq_flow_handler_t handler)
 {
 	raw_spin_lock_init(&gc->lock);
 	gc->num_ct = num_ct;
diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
index bc226e7..921a241 100644
--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -226,3 +226,14 @@ irq_pm_install_action(struct irq_desc *desc, struct irqaction *action) { }
 static inline void
 irq_pm_remove_action(struct irq_desc *desc, struct irqaction *action) { }
 #endif
+
+#ifdef CONFIG_GENERIC_IRQ_CHIP
+void irq_init_generic_chip(struct irq_chip_generic *gc, const char *name,
+			   int num_ct, unsigned int irq_base,
+			   void __iomem *reg_base, irq_flow_handler_t handler);
+#else
+static inline void
+irq_init_generic_chip(struct irq_chip_generic *gc, const char *name,
+		      int num_ct, unsigned int irq_base,
+		      void __iomem *reg_base, irq_flow_handler_t handler) { }
+#endif /* CONFIG_GENERIC_IRQ_CHIP */
-- 
2.9.3