[PATCH 2/2] resource: mark struct resource as const
From: Dominik Brodowski
Date: Fri Jan 01 2010 - 11:41:33 EST
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@xxxxxx>
Cc: Yinghai Lu <yhlu.kernel@xxxxxxxxx>
Cc: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>
Signed-off-by: Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx>
---
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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