linux-kernel - [PATCH v6 1/6] irqdomain: Use consistent prototype for irq_domain_free_irqs

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Date:	Thu, 13 Nov 2014 23:37:04 +0800
From:	Yingjoe Chen <yingjoe.chen@...iatek.com>
To:	Thomas Gleixner <tglx@...utronix.de>,
	Jiang Liu <jiang.liu@...ux.intel.com>,
	Marc Zyngier <marc.zyngier@....com>
CC:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Matthias Brugger <matthias.bgg@...il.com>,
	Russell King <linux@....linux.org.uk>,
	Jason Cooper <jason@...edaemon.net>,
	Yingjoe Chen <yingjoe.chen@...iatek.com>,
	Grant Likely <grant.likely@...aro.org>,
	Boris BREZILLON <boris.brezillon@...e-electrons.com>,
	<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Yijing Wang <wangyijing@...wei.com>,
	<srv_heupstream@...iatek.com>, <yingjoe.chen@...il.com>,
	<hc.yen@...iatek.com>, <eddie.huang@...iatek.com>,
	<nathan.chung@...iatek.com>, <yh.chen@...iatek.com>,
	Sascha Hauer <kernel@...gutronix.de>
Subject: [PATCH v6 1/6] irqdomain: Use consistent prototype for irq_domain_free_irqs_*

When using irq_domain_free_irqs_top() directly in irq_domain_ops, gcc
generate the following warnings:

../drivers/irqchip/irq-gic.c:879:2: warning: initialization from incompatible pointer type [enabled by default]
../drivers/irqchip/irq-gic.c:879:2: warning: (near initialization for 'gic_irq_domain_hierarchy_ops.free') [enabled by default]

Change to use consistent prototype for all irq_domain_free_irqs*

Better to fold this into "irqdomain: Introduce new interfaces to
support hierarchy irqdomains"

Signed-off-by: Yingjoe Chen <yingjoe.chen@...iatek.com>
---
 include/linux/irqdomain.h | 8 +++++---
 kernel/irq/irqdomain.c    | 8 ++++----
 2 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index 640a1ec..534dd72 100644
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -270,9 +270,10 @@ extern void irq_domain_set_info(struct irq_domain *domain, unsigned int virq,
 				void *handler_data, const char *handler_name);
 extern void irq_domain_reset_irq_data(struct irq_data *irq_data);
 extern void irq_domain_free_irqs_common(struct irq_domain *domain,
-					int virq, int nr_irqs);
+					unsigned int virq,
+					unsigned int nr_irqs);
 extern void irq_domain_free_irqs_top(struct irq_domain *domain,
-				     int virq, int nr_irqs);
+				     unsigned int virq, unsigned int nr_irqs);
 
 static inline int irq_domain_alloc_irqs_parent(struct irq_domain *domain,
 				int irq_base, unsigned int nr_irqs, void *arg)
@@ -284,7 +285,8 @@ static inline int irq_domain_alloc_irqs_parent(struct irq_domain *domain,
 }
 
 static inline void irq_domain_free_irqs_parent(struct irq_domain *domain,
-					int irq_base, unsigned int nr_irqs)
+					unsigned int irq_base,
+					unsigned int nr_irqs)
 {
 	if (domain->parent && domain->parent->ops->free)
 		domain->parent->ops->free(domain->parent, irq_base, nr_irqs);
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index 8b0edde..705fb57 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -899,8 +899,8 @@ void irq_domain_reset_irq_data(struct irq_data *irq_data)
 	irq_data->chip_data = NULL;
 }
 
-void irq_domain_free_irqs_common(struct irq_domain *domain, int virq,
-				 int nr_irqs)
+void irq_domain_free_irqs_common(struct irq_domain *domain, unsigned int virq,
+				 unsigned int nr_irqs)
 {
 	int i;
 	struct irq_data *irq_data;
@@ -913,8 +913,8 @@ void irq_domain_free_irqs_common(struct irq_domain *domain, int virq,
 	irq_domain_free_irqs_parent(domain, virq, nr_irqs);
 }
 
-void irq_domain_free_irqs_top(struct irq_domain *domain, int virq,
-			      int nr_irqs)
+void irq_domain_free_irqs_top(struct irq_domain *domain, unsigned int virq,
+			      unsigned int nr_irqs)
 {
 	int i;
 
-- 
1.8.1.1.dirty

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