PCI: Make the struct pci_dev * argument of pci_fixup_irqs const.

Aside of the usual motivation for constification,  this function has a
history of being abused a hook for interrupt and other fixups so I turned
this function const ages ago in the MIPS code but it should be done
treewide.

Due to function pointer passing in varous places a few other functions
had to be constified as well.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
To: Anton Vorontsov <avorontsov@mvista.com>
To: Chris Metcalf <cmetcalf@tilera.com>
To: Colin Cross <ccross@android.com>
Acked-by: "David S. Miller" <davem@davemloft.net>
To: Eric Miao <eric.y.miao@gmail.com>
To: Erik Gilling <konkers@android.com>
Acked-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
To: "H. Peter Anvin" <hpa@zytor.com>
To: Imre Kaloz <kaloz@openwrt.org>
To: Ingo Molnar <mingo@redhat.com>
To: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
To: Jesse Barnes <jbarnes@virtuousgeek.org>
To: Krzysztof Halasa <khc@pm.waw.pl>
To: Lennert Buytenhek <kernel@wantstofly.org>
To: Matt Turner <mattst88@gmail.com>
To: Nicolas Pitre <nico@fluxnic.net>
To: Olof Johansson <olof@lixom.net>
Acked-by: Paul Mundt <lethal@linux-sh.org>
To: Richard Henderson <rth@twiddle.net>
To: Russell King <linux@arm.linux.org.uk>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-alpha@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: linux-pci@vger.kernel.org
Cc: linux-sh@vger.kernel.org
Cc: linux-tegra@vger.kernel.org
Cc: sparclinux@vger.kernel.org
Cc: x86@kernel.org
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
diff --git a/arch/arm/mach-ixp4xx/avila-pci.c b/arch/arm/mach-ixp4xx/avila-pci.c
index 162043f..8fea0a3 100644
--- a/arch/arm/mach-ixp4xx/avila-pci.c
+++ b/arch/arm/mach-ixp4xx/avila-pci.c
@@ -46,7 +46,7 @@
 	ixp4xx_pci_preinit();
 }
 
-static int __init avila_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+static int __init avila_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 {
 	static int pci_irq_table[IRQ_LINES] = {
 		IXP4XX_GPIO_IRQ(INTA),
diff --git a/arch/arm/mach-ixp4xx/coyote-pci.c b/arch/arm/mach-ixp4xx/coyote-pci.c
index 37fda7d..71f5c9c 100644
--- a/arch/arm/mach-ixp4xx/coyote-pci.c
+++ b/arch/arm/mach-ixp4xx/coyote-pci.c
@@ -37,7 +37,7 @@
 	ixp4xx_pci_preinit();
 }
 
-static int __init coyote_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+static int __init coyote_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 {
 	if (slot == SLOT0_DEVID)
 		return IXP4XX_GPIO_IRQ(SLOT0_INTA);
diff --git a/arch/arm/mach-ixp4xx/dsmg600-pci.c b/arch/arm/mach-ixp4xx/dsmg600-pci.c
index c761201..0532510 100644
--- a/arch/arm/mach-ixp4xx/dsmg600-pci.c
+++ b/arch/arm/mach-ixp4xx/dsmg600-pci.c
@@ -44,7 +44,7 @@
 	ixp4xx_pci_preinit();
 }
 
-static int __init dsmg600_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+static int __init dsmg600_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 {
 	static int pci_irq_table[MAX_DEV][IRQ_LINES] = {
 		{ IXP4XX_GPIO_IRQ(INTE), -1, -1 },
diff --git a/arch/arm/mach-ixp4xx/fsg-pci.c b/arch/arm/mach-ixp4xx/fsg-pci.c
index 44ccde9..d2ac803 100644
--- a/arch/arm/mach-ixp4xx/fsg-pci.c
+++ b/arch/arm/mach-ixp4xx/fsg-pci.c
@@ -38,7 +38,7 @@
 	ixp4xx_pci_preinit();
 }
 
-static int __init fsg_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+static int __init fsg_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 {
 	static int pci_irq_table[IRQ_LINES] = {
 		IXP4XX_GPIO_IRQ(INTC),
diff --git a/arch/arm/mach-ixp4xx/gateway7001-pci.c b/arch/arm/mach-ixp4xx/gateway7001-pci.c
index fc11241..76581fb 100644
--- a/arch/arm/mach-ixp4xx/gateway7001-pci.c
+++ b/arch/arm/mach-ixp4xx/gateway7001-pci.c
@@ -35,7 +35,8 @@
 	ixp4xx_pci_preinit();
 }
 
-static int __init gateway7001_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+static int __init gateway7001_map_irq(const struct pci_dev *dev, u8 slot,
+	u8 pin)
 {
 	if (slot == 1)
 		return IRQ_IXP4XX_GPIO11;
diff --git a/arch/arm/mach-ixp4xx/goramo_mlr.c b/arch/arm/mach-ixp4xx/goramo_mlr.c
index 3e8c0e3..249404d 100644
--- a/arch/arm/mach-ixp4xx/goramo_mlr.c
+++ b/arch/arm/mach-ixp4xx/goramo_mlr.c
@@ -462,7 +462,7 @@
 	}
 }
 
-static int __init gmlr_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+static int __init gmlr_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 {
 	switch(slot) {
 	case SLOT_ETHA:	return IXP4XX_GPIO_IRQ(GPIO_IRQ_ETHA);
diff --git a/arch/arm/mach-ixp4xx/gtwx5715-pci.c b/arch/arm/mach-ixp4xx/gtwx5715-pci.c
index 38cc072..d68fc06 100644
--- a/arch/arm/mach-ixp4xx/gtwx5715-pci.c
+++ b/arch/arm/mach-ixp4xx/gtwx5715-pci.c
@@ -49,7 +49,7 @@
 }
 
 
-static int __init gtwx5715_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+static int __init gtwx5715_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 {
 	int rc = -1;
 
diff --git a/arch/arm/mach-ixp4xx/ixdp425-pci.c b/arch/arm/mach-ixp4xx/ixdp425-pci.c
index 58f4004..fffd8c5 100644
--- a/arch/arm/mach-ixp4xx/ixdp425-pci.c
+++ b/arch/arm/mach-ixp4xx/ixdp425-pci.c
@@ -43,7 +43,7 @@
 	ixp4xx_pci_preinit();
 }
 
-static int __init ixdp425_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+static int __init ixdp425_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 {
 	static int pci_irq_table[IRQ_LINES] = {
 		IXP4XX_GPIO_IRQ(INTA),
diff --git a/arch/arm/mach-ixp4xx/ixdpg425-pci.c b/arch/arm/mach-ixp4xx/ixdpg425-pci.c
index e64f6d0..34efe75 100644
--- a/arch/arm/mach-ixp4xx/ixdpg425-pci.c
+++ b/arch/arm/mach-ixp4xx/ixdpg425-pci.c
@@ -31,7 +31,7 @@
 	ixp4xx_pci_preinit();
 }
 
-static int __init ixdpg425_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+static int __init ixdpg425_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 {
 	if (slot == 12 || slot == 13)
 		return IRQ_IXP4XX_GPIO7;
diff --git a/arch/arm/mach-ixp4xx/nas100d-pci.c b/arch/arm/mach-ixp4xx/nas100d-pci.c
index 428d120..5434ccf 100644
--- a/arch/arm/mach-ixp4xx/nas100d-pci.c
+++ b/arch/arm/mach-ixp4xx/nas100d-pci.c
@@ -41,7 +41,7 @@
 	ixp4xx_pci_preinit();
 }
 
-static int __init nas100d_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+static int __init nas100d_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 {
 	static int pci_irq_table[MAX_DEV][IRQ_LINES] = {
 		{ IXP4XX_GPIO_IRQ(INTA), -1, -1 },
diff --git a/arch/arm/mach-ixp4xx/nslu2-pci.c b/arch/arm/mach-ixp4xx/nslu2-pci.c
index 2e85f76..b571605 100644
--- a/arch/arm/mach-ixp4xx/nslu2-pci.c
+++ b/arch/arm/mach-ixp4xx/nslu2-pci.c
@@ -38,7 +38,7 @@
 	ixp4xx_pci_preinit();
 }
 
-static int __init nslu2_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+static int __init nslu2_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 {
 	static int pci_irq_table[IRQ_LINES] = {
 		IXP4XX_GPIO_IRQ(INTA),
diff --git a/arch/arm/mach-ixp4xx/vulcan-pci.c b/arch/arm/mach-ixp4xx/vulcan-pci.c
index 03bdec5..0bc3f34 100644
--- a/arch/arm/mach-ixp4xx/vulcan-pci.c
+++ b/arch/arm/mach-ixp4xx/vulcan-pci.c
@@ -43,7 +43,7 @@
 	ixp4xx_pci_preinit();
 }
 
-static int __init vulcan_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+static int __init vulcan_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 {
 	if (slot == 1)
 		return IXP4XX_GPIO_IRQ(INTA);
diff --git a/arch/arm/mach-ixp4xx/wg302v2-pci.c b/arch/arm/mach-ixp4xx/wg302v2-pci.c
index 17f3cf5..f27dfcf 100644
--- a/arch/arm/mach-ixp4xx/wg302v2-pci.c
+++ b/arch/arm/mach-ixp4xx/wg302v2-pci.c
@@ -35,7 +35,7 @@
 	ixp4xx_pci_preinit();
 }
 
-static int __init wg302v2_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+static int __init wg302v2_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 {
 	if (slot == 1)
 		return IRQ_IXP4XX_GPIO8;