aboutsummaryrefslogtreecommitdiffstats
path: root/arch/parisc
diff options
context:
space:
mode:
Diffstat (limited to 'arch/parisc')
-rw-r--r--arch/parisc/include/asm/io.h4
-rw-r--r--arch/parisc/include/asm/pgalloc.h6
-rw-r--r--arch/parisc/kernel/syscalls/syscall.tbl2
-rw-r--r--arch/parisc/lib/iomap.c72
4 files changed, 45 insertions, 39 deletions
diff --git a/arch/parisc/include/asm/io.h b/arch/parisc/include/asm/io.h
index 116effe26143..45e20d38dc59 100644
--- a/arch/parisc/include/asm/io.h
+++ b/arch/parisc/include/asm/io.h
@@ -303,8 +303,8 @@ extern void outsl (unsigned long port, const void *src, unsigned long count);
#define ioread64be ioread64be
#define iowrite64 iowrite64
#define iowrite64be iowrite64be
-extern u64 ioread64(void __iomem *addr);
-extern u64 ioread64be(void __iomem *addr);
+extern u64 ioread64(const void __iomem *addr);
+extern u64 ioread64be(const void __iomem *addr);
extern void iowrite64(u64 val, void __iomem *addr);
extern void iowrite64be(u64 val, void __iomem *addr);
diff --git a/arch/parisc/include/asm/pgalloc.h b/arch/parisc/include/asm/pgalloc.h
index cc7ecc2ef55d..a6482b2ce0ea 100644
--- a/arch/parisc/include/asm/pgalloc.h
+++ b/arch/parisc/include/asm/pgalloc.h
@@ -10,6 +10,7 @@
#include <asm/cache.h>
+#define __HAVE_ARCH_PMD_ALLOC_ONE
#define __HAVE_ARCH_PMD_FREE
#define __HAVE_ARCH_PGD_FREE
#include <asm-generic/pgalloc.h>
@@ -67,6 +68,11 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
(__u32)(__pa((unsigned long)pmd) >> PxD_VALUE_SHIFT)));
}
+static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
+{
+ return (pmd_t *)__get_free_pages(GFP_PGTABLE_KERNEL, PMD_ORDER);
+}
+
static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
{
if (pmd_flag(*pmd) & PxD_FLAG_ATTACHED) {
diff --git a/arch/parisc/kernel/syscalls/syscall.tbl b/arch/parisc/kernel/syscalls/syscall.tbl
index 292baabefade..def64d221cd4 100644
--- a/arch/parisc/kernel/syscalls/syscall.tbl
+++ b/arch/parisc/kernel/syscalls/syscall.tbl
@@ -163,7 +163,7 @@
146 common writev sys_writev compat_sys_writev
147 common getsid sys_getsid
148 common fdatasync sys_fdatasync
-149 common _sysctl sys_sysctl compat_sys_sysctl
+149 common _sysctl sys_ni_syscall
150 common mlock sys_mlock
151 common munlock sys_munlock
152 common mlockall sys_mlockall
diff --git a/arch/parisc/lib/iomap.c b/arch/parisc/lib/iomap.c
index 0195aec657e2..ce400417d54e 100644
--- a/arch/parisc/lib/iomap.c
+++ b/arch/parisc/lib/iomap.c
@@ -43,13 +43,13 @@
#endif
struct iomap_ops {
- unsigned int (*read8)(void __iomem *);
- unsigned int (*read16)(void __iomem *);
- unsigned int (*read16be)(void __iomem *);
- unsigned int (*read32)(void __iomem *);
- unsigned int (*read32be)(void __iomem *);
- u64 (*read64)(void __iomem *);
- u64 (*read64be)(void __iomem *);
+ unsigned int (*read8)(const void __iomem *);
+ unsigned int (*read16)(const void __iomem *);
+ unsigned int (*read16be)(const void __iomem *);
+ unsigned int (*read32)(const void __iomem *);
+ unsigned int (*read32be)(const void __iomem *);
+ u64 (*read64)(const void __iomem *);
+ u64 (*read64be)(const void __iomem *);
void (*write8)(u8, void __iomem *);
void (*write16)(u16, void __iomem *);
void (*write16be)(u16, void __iomem *);
@@ -57,9 +57,9 @@ struct iomap_ops {
void (*write32be)(u32, void __iomem *);
void (*write64)(u64, void __iomem *);
void (*write64be)(u64, void __iomem *);
- void (*read8r)(void __iomem *, void *, unsigned long);
- void (*read16r)(void __iomem *, void *, unsigned long);
- void (*read32r)(void __iomem *, void *, unsigned long);
+ void (*read8r)(const void __iomem *, void *, unsigned long);
+ void (*read16r)(const void __iomem *, void *, unsigned long);
+ void (*read32r)(const void __iomem *, void *, unsigned long);
void (*write8r)(void __iomem *, const void *, unsigned long);
void (*write16r)(void __iomem *, const void *, unsigned long);
void (*write32r)(void __iomem *, const void *, unsigned long);
@@ -69,17 +69,17 @@ struct iomap_ops {
#define ADDR2PORT(addr) ((unsigned long __force)(addr) & 0xffffff)
-static unsigned int ioport_read8(void __iomem *addr)
+static unsigned int ioport_read8(const void __iomem *addr)
{
return inb(ADDR2PORT(addr));
}
-static unsigned int ioport_read16(void __iomem *addr)
+static unsigned int ioport_read16(const void __iomem *addr)
{
return inw(ADDR2PORT(addr));
}
-static unsigned int ioport_read32(void __iomem *addr)
+static unsigned int ioport_read32(const void __iomem *addr)
{
return inl(ADDR2PORT(addr));
}
@@ -99,17 +99,17 @@ static void ioport_write32(u32 datum, void __iomem *addr)
outl(datum, ADDR2PORT(addr));
}
-static void ioport_read8r(void __iomem *addr, void *dst, unsigned long count)
+static void ioport_read8r(const void __iomem *addr, void *dst, unsigned long count)
{
insb(ADDR2PORT(addr), dst, count);
}
-static void ioport_read16r(void __iomem *addr, void *dst, unsigned long count)
+static void ioport_read16r(const void __iomem *addr, void *dst, unsigned long count)
{
insw(ADDR2PORT(addr), dst, count);
}
-static void ioport_read32r(void __iomem *addr, void *dst, unsigned long count)
+static void ioport_read32r(const void __iomem *addr, void *dst, unsigned long count)
{
insl(ADDR2PORT(addr), dst, count);
}
@@ -150,37 +150,37 @@ static const struct iomap_ops ioport_ops = {
/* Legacy I/O memory ops */
-static unsigned int iomem_read8(void __iomem *addr)
+static unsigned int iomem_read8(const void __iomem *addr)
{
return readb(addr);
}
-static unsigned int iomem_read16(void __iomem *addr)
+static unsigned int iomem_read16(const void __iomem *addr)
{
return readw(addr);
}
-static unsigned int iomem_read16be(void __iomem *addr)
+static unsigned int iomem_read16be(const void __iomem *addr)
{
return __raw_readw(addr);
}
-static unsigned int iomem_read32(void __iomem *addr)
+static unsigned int iomem_read32(const void __iomem *addr)
{
return readl(addr);
}
-static unsigned int iomem_read32be(void __iomem *addr)
+static unsigned int iomem_read32be(const void __iomem *addr)
{
return __raw_readl(addr);
}
-static u64 iomem_read64(void __iomem *addr)
+static u64 iomem_read64(const void __iomem *addr)
{
return readq(addr);
}
-static u64 iomem_read64be(void __iomem *addr)
+static u64 iomem_read64be(const void __iomem *addr)
{
return __raw_readq(addr);
}
@@ -220,7 +220,7 @@ static void iomem_write64be(u64 datum, void __iomem *addr)
__raw_writel(datum, addr);
}
-static void iomem_read8r(void __iomem *addr, void *dst, unsigned long count)
+static void iomem_read8r(const void __iomem *addr, void *dst, unsigned long count)
{
while (count--) {
*(u8 *)dst = __raw_readb(addr);
@@ -228,7 +228,7 @@ static void iomem_read8r(void __iomem *addr, void *dst, unsigned long count)
}
}
-static void iomem_read16r(void __iomem *addr, void *dst, unsigned long count)
+static void iomem_read16r(const void __iomem *addr, void *dst, unsigned long count)
{
while (count--) {
*(u16 *)dst = __raw_readw(addr);
@@ -236,7 +236,7 @@ static void iomem_read16r(void __iomem *addr, void *dst, unsigned long count)
}
}
-static void iomem_read32r(void __iomem *addr, void *dst, unsigned long count)
+static void iomem_read32r(const void __iomem *addr, void *dst, unsigned long count)
{
while (count--) {
*(u32 *)dst = __raw_readl(addr);
@@ -297,49 +297,49 @@ static const struct iomap_ops *iomap_ops[8] = {
};
-unsigned int ioread8(void __iomem *addr)
+unsigned int ioread8(const void __iomem *addr)
{
if (unlikely(INDIRECT_ADDR(addr)))
return iomap_ops[ADDR_TO_REGION(addr)]->read8(addr);
return *((u8 *)addr);
}
-unsigned int ioread16(void __iomem *addr)
+unsigned int ioread16(const void __iomem *addr)
{
if (unlikely(INDIRECT_ADDR(addr)))
return iomap_ops[ADDR_TO_REGION(addr)]->read16(addr);
return le16_to_cpup((u16 *)addr);
}
-unsigned int ioread16be(void __iomem *addr)
+unsigned int ioread16be(const void __iomem *addr)
{
if (unlikely(INDIRECT_ADDR(addr)))
return iomap_ops[ADDR_TO_REGION(addr)]->read16be(addr);
return *((u16 *)addr);
}
-unsigned int ioread32(void __iomem *addr)
+unsigned int ioread32(const void __iomem *addr)
{
if (unlikely(INDIRECT_ADDR(addr)))
return iomap_ops[ADDR_TO_REGION(addr)]->read32(addr);
return le32_to_cpup((u32 *)addr);
}
-unsigned int ioread32be(void __iomem *addr)
+unsigned int ioread32be(const void __iomem *addr)
{
if (unlikely(INDIRECT_ADDR(addr)))
return iomap_ops[ADDR_TO_REGION(addr)]->read32be(addr);
return *((u32 *)addr);
}
-u64 ioread64(void __iomem *addr)
+u64 ioread64(const void __iomem *addr)
{
if (unlikely(INDIRECT_ADDR(addr)))
return iomap_ops[ADDR_TO_REGION(addr)]->read64(addr);
return le64_to_cpup((u64 *)addr);
}
-u64 ioread64be(void __iomem *addr)
+u64 ioread64be(const void __iomem *addr)
{
if (unlikely(INDIRECT_ADDR(addr)))
return iomap_ops[ADDR_TO_REGION(addr)]->read64be(addr);
@@ -411,7 +411,7 @@ void iowrite64be(u64 datum, void __iomem *addr)
/* Repeating interfaces */
-void ioread8_rep(void __iomem *addr, void *dst, unsigned long count)
+void ioread8_rep(const void __iomem *addr, void *dst, unsigned long count)
{
if (unlikely(INDIRECT_ADDR(addr))) {
iomap_ops[ADDR_TO_REGION(addr)]->read8r(addr, dst, count);
@@ -423,7 +423,7 @@ void ioread8_rep(void __iomem *addr, void *dst, unsigned long count)
}
}
-void ioread16_rep(void __iomem *addr, void *dst, unsigned long count)
+void ioread16_rep(const void __iomem *addr, void *dst, unsigned long count)
{
if (unlikely(INDIRECT_ADDR(addr))) {
iomap_ops[ADDR_TO_REGION(addr)]->read16r(addr, dst, count);
@@ -435,7 +435,7 @@ void ioread16_rep(void __iomem *addr, void *dst, unsigned long count)
}
}
-void ioread32_rep(void __iomem *addr, void *dst, unsigned long count)
+void ioread32_rep(const void __iomem *addr, void *dst, unsigned long count)
{
if (unlikely(INDIRECT_ADDR(addr))) {
iomap_ops[ADDR_TO_REGION(addr)]->read32r(addr, dst, count);