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-rw-r--r--arch/powerpc/include/asm/prom.h2
-rw-r--r--drivers/of/address.c54
-rw-r--r--include/linux/of_address.h6
3 files changed, 32 insertions, 30 deletions
diff --git a/arch/powerpc/include/asm/prom.h b/arch/powerpc/include/asm/prom.h
index 98264bf0a433..d72757585595 100644
--- a/arch/powerpc/include/asm/prom.h
+++ b/arch/powerpc/include/asm/prom.h
@@ -42,7 +42,7 @@ extern void pci_create_OF_bus_map(void);
/* Translate a DMA address from device space to CPU space */
extern u64 of_translate_dma_address(struct device_node *dev,
- const u32 *in_addr);
+ const __be32 *in_addr);
#ifdef CONFIG_PCI
extern unsigned long pci_address_to_pio(phys_addr_t address);
diff --git a/drivers/of/address.c b/drivers/of/address.c
index 3a1c7e70b192..b4559c58c095 100644
--- a/drivers/of/address.c
+++ b/drivers/of/address.c
@@ -12,13 +12,13 @@
(ns) > 0)
static struct of_bus *of_match_bus(struct device_node *np);
-static int __of_address_to_resource(struct device_node *dev, const u32 *addrp,
- u64 size, unsigned int flags,
+static int __of_address_to_resource(struct device_node *dev,
+ const __be32 *addrp, u64 size, unsigned int flags,
struct resource *r);
/* Debug utility */
#ifdef DEBUG
-static void of_dump_addr(const char *s, const u32 *addr, int na)
+static void of_dump_addr(const char *s, const __be32 *addr, int na)
{
printk(KERN_DEBUG "%s", s);
while (na--)
@@ -26,7 +26,7 @@ static void of_dump_addr(const char *s, const u32 *addr, int na)
printk("\n");
}
#else
-static void of_dump_addr(const char *s, const u32 *addr, int na) { }
+static void of_dump_addr(const char *s, const __be32 *addr, int na) { }
#endif
/* Callbacks for bus specific translators */
@@ -36,10 +36,10 @@ struct of_bus {
int (*match)(struct device_node *parent);
void (*count_cells)(struct device_node *child,
int *addrc, int *sizec);
- u64 (*map)(u32 *addr, const u32 *range,
+ u64 (*map)(u32 *addr, const __be32 *range,
int na, int ns, int pna);
int (*translate)(u32 *addr, u64 offset, int na);
- unsigned int (*get_flags)(const u32 *addr);
+ unsigned int (*get_flags)(const __be32 *addr);
};
/*
@@ -55,7 +55,7 @@ static void of_bus_default_count_cells(struct device_node *dev,
*sizec = of_n_size_cells(dev);
}
-static u64 of_bus_default_map(u32 *addr, const u32 *range,
+static u64 of_bus_default_map(u32 *addr, const __be32 *range,
int na, int ns, int pna)
{
u64 cp, s, da;
@@ -85,7 +85,7 @@ static int of_bus_default_translate(u32 *addr, u64 offset, int na)
return 0;
}
-static unsigned int of_bus_default_get_flags(const u32 *addr)
+static unsigned int of_bus_default_get_flags(const __be32 *addr)
{
return IORESOURCE_MEM;
}
@@ -110,10 +110,10 @@ static void of_bus_pci_count_cells(struct device_node *np,
*sizec = 2;
}
-static unsigned int of_bus_pci_get_flags(const u32 *addr)
+static unsigned int of_bus_pci_get_flags(const __be32 *addr)
{
unsigned int flags = 0;
- u32 w = addr[0];
+ u32 w = be32_to_cpup(addr);
switch((w >> 24) & 0x03) {
case 0x01:
@@ -129,7 +129,8 @@ static unsigned int of_bus_pci_get_flags(const u32 *addr)
return flags;
}
-static u64 of_bus_pci_map(u32 *addr, const u32 *range, int na, int ns, int pna)
+static u64 of_bus_pci_map(u32 *addr, const __be32 *range, int na, int ns,
+ int pna)
{
u64 cp, s, da;
unsigned int af, rf;
@@ -160,7 +161,7 @@ static int of_bus_pci_translate(u32 *addr, u64 offset, int na)
return of_bus_default_translate(addr + 1, offset, na - 1);
}
-const u32 *of_get_pci_address(struct device_node *dev, int bar_no, u64 *size,
+const __be32 *of_get_pci_address(struct device_node *dev, int bar_no, u64 *size,
unsigned int *flags)
{
const __be32 *prop;
@@ -207,7 +208,7 @@ EXPORT_SYMBOL(of_get_pci_address);
int of_pci_address_to_resource(struct device_node *dev, int bar,
struct resource *r)
{
- const u32 *addrp;
+ const __be32 *addrp;
u64 size;
unsigned int flags;
@@ -237,12 +238,13 @@ static void of_bus_isa_count_cells(struct device_node *child,
*sizec = 1;
}
-static u64 of_bus_isa_map(u32 *addr, const u32 *range, int na, int ns, int pna)
+static u64 of_bus_isa_map(u32 *addr, const __be32 *range, int na, int ns,
+ int pna)
{
u64 cp, s, da;
/* Check address type match */
- if ((addr[0] ^ range[0]) & 0x00000001)
+ if ((addr[0] ^ range[0]) & cpu_to_be32(1))
return OF_BAD_ADDR;
/* Read address values, skipping high cell */
@@ -264,10 +266,10 @@ static int of_bus_isa_translate(u32 *addr, u64 offset, int na)
return of_bus_default_translate(addr + 1, offset, na - 1);
}
-static unsigned int of_bus_isa_get_flags(const u32 *addr)
+static unsigned int of_bus_isa_get_flags(const __be32 *addr)
{
unsigned int flags = 0;
- u32 w = addr[0];
+ u32 w = be32_to_cpup(addr);
if (w & 1)
flags |= IORESOURCE_IO;
@@ -330,7 +332,7 @@ static int of_translate_one(struct device_node *parent, struct of_bus *bus,
struct of_bus *pbus, u32 *addr,
int na, int ns, int pna, const char *rprop)
{
- const u32 *ranges;
+ const __be32 *ranges;
unsigned int rlen;
int rone;
u64 offset = OF_BAD_ADDR;
@@ -398,7 +400,7 @@ static int of_translate_one(struct device_node *parent, struct of_bus *bus,
* that can be mapped to a cpu physical address). This is not really specified
* that way, but this is traditionally the way IBM at least do things
*/
-u64 __of_translate_address(struct device_node *dev, const u32 *in_addr,
+u64 __of_translate_address(struct device_node *dev, const __be32 *in_addr,
const char *rprop)
{
struct device_node *parent = NULL;
@@ -475,22 +477,22 @@ u64 __of_translate_address(struct device_node *dev, const u32 *in_addr,
return result;
}
-u64 of_translate_address(struct device_node *dev, const u32 *in_addr)
+u64 of_translate_address(struct device_node *dev, const __be32 *in_addr)
{
return __of_translate_address(dev, in_addr, "ranges");
}
EXPORT_SYMBOL(of_translate_address);
-u64 of_translate_dma_address(struct device_node *dev, const u32 *in_addr)
+u64 of_translate_dma_address(struct device_node *dev, const __be32 *in_addr)
{
return __of_translate_address(dev, in_addr, "dma-ranges");
}
EXPORT_SYMBOL(of_translate_dma_address);
-const u32 *of_get_address(struct device_node *dev, int index, u64 *size,
+const __be32 *of_get_address(struct device_node *dev, int index, u64 *size,
unsigned int *flags)
{
- const u32 *prop;
+ const __be32 *prop;
unsigned int psize;
struct device_node *parent;
struct of_bus *bus;
@@ -525,8 +527,8 @@ const u32 *of_get_address(struct device_node *dev, int index, u64 *size,
}
EXPORT_SYMBOL(of_get_address);
-static int __of_address_to_resource(struct device_node *dev, const u32 *addrp,
- u64 size, unsigned int flags,
+static int __of_address_to_resource(struct device_node *dev,
+ const __be32 *addrp, u64 size, unsigned int flags,
struct resource *r)
{
u64 taddr;
@@ -564,7 +566,7 @@ static int __of_address_to_resource(struct device_node *dev, const u32 *addrp,
int of_address_to_resource(struct device_node *dev, int index,
struct resource *r)
{
- const u32 *addrp;
+ const __be32 *addrp;
u64 size;
unsigned int flags;
diff --git a/include/linux/of_address.h b/include/linux/of_address.h
index 8aea06f0564c..2feda6ee6140 100644
--- a/include/linux/of_address.h
+++ b/include/linux/of_address.h
@@ -3,7 +3,7 @@
#include <linux/ioport.h>
#include <linux/of.h>
-extern u64 of_translate_address(struct device_node *np, const u32 *addr);
+extern u64 of_translate_address(struct device_node *np, const __be32 *addr);
extern int of_address_to_resource(struct device_node *dev, int index,
struct resource *r);
extern void __iomem *of_iomap(struct device_node *device, int index);
@@ -21,7 +21,7 @@ static inline unsigned long pci_address_to_pio(phys_addr_t addr) { return -1; }
#endif
#ifdef CONFIG_PCI
-extern const u32 *of_get_pci_address(struct device_node *dev, int bar_no,
+extern const __be32 *of_get_pci_address(struct device_node *dev, int bar_no,
u64 *size, unsigned int *flags);
extern int of_pci_address_to_resource(struct device_node *dev, int bar,
struct resource *r);
@@ -32,7 +32,7 @@ static inline int of_pci_address_to_resource(struct device_node *dev, int bar,
return -ENOSYS;
}
-static inline const u32 *of_get_pci_address(struct device_node *dev,
+static inline const __be32 *of_get_pci_address(struct device_node *dev,
int bar_no, u64 *size, unsigned int *flags)
{
return NULL;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.