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Subject[PATCH 2/2] resource: mark struct resource as const
Date
Now that we return the new resource start position, there is no
need to update "struct resource" inside the align function.
Therefore, mark the struct resource as const.

Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Yinghai Lu <yhlu.kernel@gmail.com>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
---
arch/alpha/kernel/pci.c | 2 +-
arch/arm/kernel/bios32.c | 2 +-
arch/cris/arch-v32/drivers/pci/bios.c | 2 +-
arch/frv/mb93090-mb00/pci-frv.c | 2 +-
arch/ia64/pci/pci.c | 2 +-
arch/mips/pci/pci.c | 2 +-
arch/mips/pmc-sierra/yosemite/ht.c | 2 +-
arch/mn10300/unit-asb2305/pci-asb2305.c | 2 +-
arch/parisc/kernel/pci.c | 2 +-
arch/powerpc/kernel/pci-common.c | 2 +-
arch/sh/drivers/pci/pci.c | 2 +-
arch/sparc/kernel/pci.c | 2 +-
arch/sparc/kernel/pcic.c | 2 +-
arch/x86/pci/i386.c | 2 +-
arch/xtensa/kernel/pci.c | 4 ++--
drivers/pci/bus.c | 2 +-
drivers/pcmcia/rsrc_mgr.c | 3 ++-
drivers/pcmcia/rsrc_nonstatic.c | 6 +++---
include/linux/ioport.h | 2 +-
include/linux/pci.h | 5 +++--
kernel/resource.c | 4 ++--
21 files changed, 28 insertions(+), 26 deletions(-)
diff --git a/arch/alpha/kernel/pci.c b/arch/alpha/kernel/pci.c
index 5cf111e..c9ab94e 100644
--- a/arch/alpha/kernel/pci.c
+++ b/arch/alpha/kernel/pci.c
@@ -127,7 +127,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_ANY_ID, PCI_ANY_ID, pcibios_fixup_final);
#define GB (1024*MB)

resource_size_t
-pcibios_align_resource(void *data, struct resource *res,
+pcibios_align_resource(void *data, const struct resource *res,
resource_size_t size, resource_size_t align)
{
struct pci_dev *dev = data;
diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c
index a7c85f8..bd397e0 100644
--- a/arch/arm/kernel/bios32.c
+++ b/arch/arm/kernel/bios32.c
@@ -616,7 +616,7 @@ char * __init pcibios_setup(char *str)
* but we want to try to avoid allocating at 0x2900-0x2bff
* which might be mirrored at 0x0100-0x03ff..
*/
-resource_size_t pcibios_align_resource(void *data, struct resource *res,
+resource_size_t pcibios_align_resource(void *data, const struct resource *res,
resource_size_t size, resource_size_t align)
{
resource_size_t start = res->start;
diff --git a/arch/cris/arch-v32/drivers/pci/bios.c b/arch/cris/arch-v32/drivers/pci/bios.c
index 5811e2f..d4b9c36 100644
--- a/arch/cris/arch-v32/drivers/pci/bios.c
+++ b/arch/cris/arch-v32/drivers/pci/bios.c
@@ -42,7 +42,7 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
}

resource_size_t
-pcibios_align_resource(void *data, struct resource *res,
+pcibios_align_resource(void *data, const struct resource *res,
resource_size_t size, resource_size_t align)
{
resource_size_t start = res->start;
diff --git a/arch/frv/mb93090-mb00/pci-frv.c b/arch/frv/mb93090-mb00/pci-frv.c
index c947aa4..1ed15d7 100644
--- a/arch/frv/mb93090-mb00/pci-frv.c
+++ b/arch/frv/mb93090-mb00/pci-frv.c
@@ -33,7 +33,7 @@
* which might have be mirrored at 0x0100-0x03ff..
*/
resource_size_t
-pcibios_align_resource(void *data, struct resource *res,
+pcibios_align_resource(void *data, const struct resource *res,
resource_size_t size, resource_size_t align)
{
resource_size_t start = res->start;
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index ef574cd..783c83b 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -548,7 +548,7 @@ pcibios_disable_device (struct pci_dev *dev)
}

resource_size_t
-pcibios_align_resource (void *data, struct resource *res,
+pcibios_align_resource (void *data, const struct resource *res,
resource_size_t size, resource_size_t align)
{
return res->start;
diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c
index 9085988..f87f5e1 100644
--- a/arch/mips/pci/pci.c
+++ b/arch/mips/pci/pci.c
@@ -50,7 +50,7 @@ static int pci_initialized;
* which might have be mirrored at 0x0100-0x03ff..
*/
resource_size_t
-pcibios_align_resource(void *data, struct resource *res,
+pcibios_align_resource(void *data, const struct resource *res,
resource_size_t size, resource_size_t align)
{
struct pci_dev *dev = data;
diff --git a/arch/mips/pmc-sierra/yosemite/ht.c b/arch/mips/pmc-sierra/yosemite/ht.c
index 5e41008..fd22597 100644
--- a/arch/mips/pmc-sierra/yosemite/ht.c
+++ b/arch/mips/pmc-sierra/yosemite/ht.c
@@ -345,7 +345,7 @@ int pcibios_enable_device(struct pci_dev *dev, int mask)
return pcibios_enable_resources(dev);
}

-resource_size_t pcibios_align_resource(void *data, struct resource *res,
+resource_size_t pcibios_align_resource(void *data, const struct resource *res,
resource_size_t size, resource_size_t align)
{
struct pci_dev *dev = data;
diff --git a/arch/mn10300/unit-asb2305/pci-asb2305.c b/arch/mn10300/unit-asb2305/pci-asb2305.c
index 60f24a7..8182fff 100644
--- a/arch/mn10300/unit-asb2305/pci-asb2305.c
+++ b/arch/mn10300/unit-asb2305/pci-asb2305.c
@@ -31,7 +31,7 @@
* but we want to try to avoid allocating at 0x2900-0x2bff
* which might have be mirrored at 0x0100-0x03ff..
*/
-resource_size_t pcibios_align_resource(void *data, struct resource *res,
+resource_size_t pcibios_align_resource(void *data, const struct resource *res,
resource_size_t size, resource_size_t align)
{
resource_size_t start = res->start;
diff --git a/arch/parisc/kernel/pci.c b/arch/parisc/kernel/pci.c
index 4463a31..5179e5e 100644
--- a/arch/parisc/kernel/pci.c
+++ b/arch/parisc/kernel/pci.c
@@ -254,7 +254,7 @@ EXPORT_SYMBOL(pcibios_bus_to_resource);
* Since we are just checking candidates, don't use any fields other
* than res->start.
*/
-resource_size_t pcibios_align_resource(void *data, struct resource *res,
+resource_size_t pcibios_align_resource(void *data, const struct resource *res,
resource_size_t size, resource_size_t alignment)
{
resource_size_t mask, align, start = res->start;
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 3e343b8..55045e7 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -1168,7 +1168,7 @@ static int skip_isa_ioresource_align(struct pci_dev *dev)
* but we want to try to avoid allocating at 0x2900-0x2bff
* which might have be mirrored at 0x0100-0x03ff..
*/
-resource_size_t pcibios_align_resource(void *data, struct resource *res,
+resource_size_t pcibios_align_resource(void *data, const struct resource *res,
resource_size_t size, resource_size_t align)
{
struct pci_dev *dev = data;
diff --git a/arch/sh/drivers/pci/pci.c b/arch/sh/drivers/pci/pci.c
index b36ca82..96213fd 100644
--- a/arch/sh/drivers/pci/pci.c
+++ b/arch/sh/drivers/pci/pci.c
@@ -148,7 +148,7 @@ void __devinit pcibios_fixup_bus(struct pci_bus *bus)
* addresses to be allocated in the 0x000-0x0ff region
* modulo 0x400.
*/
-resource_size_t pcibios_align_resource(void *data, struct resource *res,
+resource_size_t pcibios_align_resource(void *data, const struct resource *res,
resource_size_t size, resource_size_t align)
{
struct pci_dev *dev = data;
diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index 6381ceb..e71e9ce 100644
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -715,7 +715,7 @@ void pcibios_update_irq(struct pci_dev *pdev, int irq)
{
}

-resource_size_t pcibios_align_resource(void *data, struct resource *res,
+resource_size_t pcibios_align_resource(void *data, const struct resource *res,
resource_size_t size, resource_size_t align)
{
return res->start;
diff --git a/arch/sparc/kernel/pcic.c b/arch/sparc/kernel/pcic.c
index 96fe494..49fcf5f 100644
--- a/arch/sparc/kernel/pcic.c
+++ b/arch/sparc/kernel/pcic.c
@@ -839,7 +839,7 @@ char * __devinit pcibios_setup(char *str)
return str;
}

-resource_size_t pcibios_align_resource(void *data, struct resource *res,
+resource_size_t pcibios_align_resource(void *data, const struct resource *res,
resource_size_t size, resource_size_t align)
{
return res->start;
diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c
index 924e40c..5a8fbf8 100644
--- a/arch/x86/pci/i386.c
+++ b/arch/x86/pci/i386.c
@@ -61,7 +61,7 @@ skip_isa_ioresource_align(struct pci_dev *dev) {
* which might have be mirrored at 0x0100-0x03ff..
*/
resource_size_t
-pcibios_align_resource(void *data, struct resource *res,
+pcibios_align_resource(void *data, const struct resource *res,
resource_size_t size, resource_size_t align)
{
struct pci_dev *dev = data;
diff --git a/arch/xtensa/kernel/pci.c b/arch/xtensa/kernel/pci.c
index d7efab0..cd10269 100644
--- a/arch/xtensa/kernel/pci.c
+++ b/arch/xtensa/kernel/pci.c
@@ -70,8 +70,8 @@ static int pci_bus_count;
* which might have be mirrored at 0x0100-0x03ff..
*/
resource_size_t
-pcibios_align_resource(void *data, struct resource *res, resource_size_t size,
- resource_size_t align)
+pcibios_align_resource(void *data, const struct resource *res,
+ resource_size_t size, resource_size_t align)
{
struct pci_dev *dev = data;
resource_size_t start = res->start;
diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c
index d29d69a..a26135b 100644
--- a/drivers/pci/bus.c
+++ b/drivers/pci/bus.c
@@ -37,7 +37,7 @@ pci_bus_alloc_resource(struct pci_bus *bus, struct resource *res,
resource_size_t size, resource_size_t align,
resource_size_t min, unsigned int type_mask,
resource_size_t (*alignf)(void *,
- struct resource *,
+ const struct resource *,
resource_size_t,
resource_size_t),
void *alignf_data)
diff --git a/drivers/pcmcia/rsrc_mgr.c b/drivers/pcmcia/rsrc_mgr.c
index f92a2da..f8401a0 100644
--- a/drivers/pcmcia/rsrc_mgr.c
+++ b/drivers/pcmcia/rsrc_mgr.c
@@ -114,7 +114,8 @@ struct pcmcia_align_data {
unsigned long offset;
};

-static resource_size_t pcmcia_align(void *align_data, struct resource *res,
+static resource_size_t pcmcia_align(void *align_data,
+ const struct resource *res,
resource_size_t size, resource_size_t align)
{
struct pcmcia_align_data *data = align_data;
diff --git a/drivers/pcmcia/rsrc_nonstatic.c b/drivers/pcmcia/rsrc_nonstatic.c
index b659028..45d75dc 100644
--- a/drivers/pcmcia/rsrc_nonstatic.c
+++ b/drivers/pcmcia/rsrc_nonstatic.c
@@ -534,7 +534,7 @@ struct pcmcia_align_data {
};

static resource_size_t
-pcmcia_common_align(void *align_data, struct resource *res,
+pcmcia_common_align(void *align_data, const struct resource *res,
resource_size_t size, resource_size_t align)
{
struct pcmcia_align_data *data = align_data;
@@ -549,8 +549,8 @@ pcmcia_common_align(void *align_data, struct resource *res,
}

static resource_size_t
-pcmcia_align(void *align_data, struct resource *res, resource_size_t size,
- resource_size_t align)
+pcmcia_align(void *align_data, const struct resource *res,
+ resource_size_t size, resource_size_t align)
{
struct pcmcia_align_data *data = align_data;
struct resource_map *m;
diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index f4195de..4a81189 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -121,7 +121,7 @@ extern int allocate_resource(struct resource *root, struct resource *new,
resource_size_t size, resource_size_t min,
resource_size_t max, resource_size_t align,
resource_size_t (*alignf)(void *,
- struct resource *,
+ const struct resource *,
resource_size_t,
resource_size_t),
void *alignf_data);
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 30a6e9b..f5cd77e 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -562,7 +562,7 @@ int __must_check pcibios_enable_device(struct pci_dev *, int mask);
char *pcibios_setup(char *str);

/* Used only when drivers/pci/setup.c is used */
-resource_size_t pcibios_align_resource(void *, struct resource *,
+resource_size_t pcibios_align_resource(void *, const struct resource *,
resource_size_t,
resource_size_t);
void pcibios_update_irq(struct pci_dev *, int irq);
@@ -790,7 +790,8 @@ int __must_check pci_bus_alloc_resource(struct pci_bus *bus,
struct resource *res, resource_size_t size,
resource_size_t align, resource_size_t min,
unsigned int type_mask,
- resource_size_t (*alignf)(void *, struct resource *,
+ resource_size_t (*alignf)(void *,
+ const struct resource *,
resource_size_t,
resource_size_t),
void *alignf_data);
diff --git a/kernel/resource.c b/kernel/resource.c
index e697f20..7fd123a 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -304,7 +304,7 @@ static int find_resource(struct resource *root, struct resource *new,
resource_size_t size, resource_size_t min,
resource_size_t max, resource_size_t align,
resource_size_t (*alignf)(void *,
- struct resource *,
+ const struct resource *,
resource_size_t,
resource_size_t),
void *alignf_data)
@@ -361,7 +361,7 @@ int allocate_resource(struct resource *root, struct resource *new,
resource_size_t size, resource_size_t min,
resource_size_t max, resource_size_t align,
resource_size_t (*alignf)(void *,
- struct resource *,
+ const struct resource *,
resource_size_t,
resource_size_t),
void *alignf_data)
--
1.6.3.3


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