summaryrefslogtreecommitdiffstats
path: root/arch/powerpc
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/Kconfig3
-rw-r--r--arch/powerpc/boot/dts/kmeter1.dts2
-rw-r--r--arch/powerpc/include/asm/compat.h3
-rw-r--r--arch/powerpc/include/asm/dma-mapping.h3
-rw-r--r--arch/powerpc/include/asm/pci.h32
-rw-r--r--arch/powerpc/include/asm/ptrace.h7
-rw-r--r--arch/powerpc/include/asm/syscalls.h4
-rw-r--r--arch/powerpc/include/asm/systbl.h2
-rw-r--r--arch/powerpc/include/asm/unistd.h2
-rw-r--r--arch/powerpc/kernel/legacy_serial.c2
-rw-r--r--arch/powerpc/kernel/pci-common.c15
-rw-r--r--arch/powerpc/kernel/perf_event.c8
-rw-r--r--arch/powerpc/kernel/syscalls.c164
-rw-r--r--arch/powerpc/mm/init_32.c2
14 files changed, 15 insertions, 234 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 155d571f5e26..8a54eb8e3768 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -672,6 +672,9 @@ config ZONE_DMA
bool
default y
+config NEED_DMA_MAP_STATE
+ def_bool (PPC64 || NOT_COHERENT_CACHE)
+
config GENERIC_ISA_DMA
bool
depends on PPC64 || POWER4 || 6xx && !CPM2
diff --git a/arch/powerpc/boot/dts/kmeter1.dts b/arch/powerpc/boot/dts/kmeter1.dts
index 65b8b4f27efe..d8b5d12fb663 100644
--- a/arch/powerpc/boot/dts/kmeter1.dts
+++ b/arch/powerpc/boot/dts/kmeter1.dts
@@ -490,7 +490,7 @@
compatible = "cfi-flash";
/*
* The Intel P30 chip has 2 non-identical chips on
- * one die, so we need to define 2 seperate regions
+ * one die, so we need to define 2 separate regions
* that are scanned by physmap_of independantly.
*/
reg = <0 0x00000000 0x02000000
diff --git a/arch/powerpc/include/asm/compat.h b/arch/powerpc/include/asm/compat.h
index 4774c2f92232..396d21a80058 100644
--- a/arch/powerpc/include/asm/compat.h
+++ b/arch/powerpc/include/asm/compat.h
@@ -7,7 +7,8 @@
#include <linux/types.h>
#include <linux/sched.h>
-#define COMPAT_USER_HZ 100
+#define COMPAT_USER_HZ 100
+#define COMPAT_UTS_MACHINE "ppc\0\0"
typedef u32 compat_size_t;
typedef s32 compat_ssize_t;
diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h
index 80a973bb9e71..c85ef230135b 100644
--- a/arch/powerpc/include/asm/dma-mapping.h
+++ b/arch/powerpc/include/asm/dma-mapping.h
@@ -127,9 +127,6 @@ static inline int dma_supported(struct device *dev, u64 mask)
return dma_ops->dma_supported(dev, mask);
}
-/* We have our own implementation of pci_set_dma_mask() */
-#define HAVE_ARCH_PCI_SET_DMA_MASK
-
static inline int dma_set_mask(struct device *dev, u64 dma_mask)
{
struct dma_map_ops *dma_ops = get_dma_ops(dev);
diff --git a/arch/powerpc/include/asm/pci.h b/arch/powerpc/include/asm/pci.h
index b5ea626eea2d..a20a9ad2258b 100644
--- a/arch/powerpc/include/asm/pci.h
+++ b/arch/powerpc/include/asm/pci.h
@@ -141,38 +141,6 @@ extern int pci_mmap_legacy_page_range(struct pci_bus *bus,
#define HAVE_PCI_LEGACY 1
-#if defined(CONFIG_PPC64) || defined(CONFIG_NOT_COHERENT_CACHE)
-/*
- * For 64-bit kernels, pci_unmap_{single,page} is not a nop.
- * For 32-bit non-coherent kernels, pci_dma_sync_single_for_cpu() and
- * so on are not nops.
- * and thus...
- */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) \
- dma_addr_t ADDR_NAME;
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) \
- __u32 LEN_NAME;
-#define pci_unmap_addr(PTR, ADDR_NAME) \
- ((PTR)->ADDR_NAME)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) \
- (((PTR)->ADDR_NAME) = (VAL))
-#define pci_unmap_len(PTR, LEN_NAME) \
- ((PTR)->LEN_NAME)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL) \
- (((PTR)->LEN_NAME) = (VAL))
-
-#else /* 32-bit && coherent */
-
-/* pci_unmap_{page,single} is a nop so... */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
-#define pci_unmap_addr(PTR, ADDR_NAME) (0)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0)
-#define pci_unmap_len(PTR, LEN_NAME) (0)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0)
-
-#endif /* CONFIG_PPC64 || CONFIG_NOT_COHERENT_CACHE */
-
#ifdef CONFIG_PPC64
/* The PCI address space does not equal the physical memory address
diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h
index b45108126562..9e2d84c06b74 100644
--- a/arch/powerpc/include/asm/ptrace.h
+++ b/arch/powerpc/include/asm/ptrace.h
@@ -137,15 +137,8 @@ do { \
} while (0)
#endif /* __powerpc64__ */
-/*
- * These are defined as per linux/ptrace.h, which see.
- */
#define arch_has_single_step() (1)
#define arch_has_block_step() (!cpu_has_feature(CPU_FTR_601))
-extern void user_enable_single_step(struct task_struct *);
-extern void user_enable_block_step(struct task_struct *);
-extern void user_disable_single_step(struct task_struct *);
-
#define ARCH_HAS_USER_SINGLE_STEP_INFO
#endif /* __ASSEMBLY__ */
diff --git a/arch/powerpc/include/asm/syscalls.h b/arch/powerpc/include/asm/syscalls.h
index eb8eb400c664..4084e567d28e 100644
--- a/arch/powerpc/include/asm/syscalls.h
+++ b/arch/powerpc/include/asm/syscalls.h
@@ -7,7 +7,6 @@
#include <linux/types.h>
#include <asm/signal.h>
-struct new_utsname;
struct pt_regs;
struct rtas_args;
struct sigaction;
@@ -35,12 +34,9 @@ asmlinkage long sys_pipe2(int __user *fildes, int flags);
asmlinkage long sys_rt_sigaction(int sig,
const struct sigaction __user *act,
struct sigaction __user *oact, size_t sigsetsize);
-asmlinkage int sys_ipc(uint call, int first, unsigned long second,
- long third, void __user *ptr, long fifth);
asmlinkage long ppc64_personality(unsigned long personality);
asmlinkage int ppc_rtas(struct rtas_args __user *uargs);
asmlinkage time_t sys64_time(time_t __user * tloc);
-asmlinkage long ppc_newuname(struct new_utsname __user * name);
asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset,
size_t sigsetsize);
diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index 07d2d19ab5e9..a5ee345b6a5c 100644
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -125,7 +125,7 @@ SYSCALL_SPU(fsync)
SYS32ONLY(sigreturn)
PPC_SYS(clone)
COMPAT_SYS_SPU(setdomainname)
-PPC_SYS_SPU(newuname)
+SYSCALL_SPU(newuname)
SYSCALL(ni_syscall)
COMPAT_SYS_SPU(adjtimex)
SYSCALL_SPU(mprotect)
diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h
index f6ca76176766..f0a10266e7f7 100644
--- a/arch/powerpc/include/asm/unistd.h
+++ b/arch/powerpc/include/asm/unistd.h
@@ -364,6 +364,7 @@
#define __ARCH_WANT_STAT64
#define __ARCH_WANT_SYS_ALARM
#define __ARCH_WANT_SYS_GETHOSTNAME
+#define __ARCH_WANT_SYS_IPC
#define __ARCH_WANT_SYS_PAUSE
#define __ARCH_WANT_SYS_SGETMASK
#define __ARCH_WANT_SYS_SIGNAL
@@ -376,6 +377,7 @@
#define __ARCH_WANT_SYS_LLSEEK
#define __ARCH_WANT_SYS_NICE
#define __ARCH_WANT_SYS_OLD_GETRLIMIT
+#define __ARCH_WANT_SYS_OLD_UNAME
#define __ARCH_WANT_SYS_OLDUMOUNT
#define __ARCH_WANT_SYS_SIGPENDING
#define __ARCH_WANT_SYS_SIGPROCMASK
diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c
index 9ddfaef1a184..035ada5443ee 100644
--- a/arch/powerpc/kernel/legacy_serial.c
+++ b/arch/powerpc/kernel/legacy_serial.c
@@ -469,7 +469,7 @@ static int __init serial_dev_init(void)
return -ENODEV;
/*
- * Before we register the platfrom serial devices, we need
+ * Before we register the platform serial devices, we need
* to fixup their interrupts and their IO ports.
*/
DBG("Fixing serial ports interrupts and IO ports ...\n");
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 2597f9545d8a..f3c42ce516e7 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -63,21 +63,6 @@ struct dma_map_ops *get_pci_dma_ops(void)
}
EXPORT_SYMBOL(get_pci_dma_ops);
-int pci_set_dma_mask(struct pci_dev *dev, u64 mask)
-{
- return dma_set_mask(&dev->dev, mask);
-}
-
-int pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask)
-{
- int rc;
-
- rc = dma_set_mask(&dev->dev, mask);
- dev->dev.coherent_dma_mask = dev->dma_mask;
-
- return rc;
-}
-
struct pci_controller *pcibios_alloc_controller(struct device_node *dev)
{
struct pci_controller *phb;
diff --git a/arch/powerpc/kernel/perf_event.c b/arch/powerpc/kernel/perf_event.c
index b6cf8f1f4d35..5120bd44f69a 100644
--- a/arch/powerpc/kernel/perf_event.c
+++ b/arch/powerpc/kernel/perf_event.c
@@ -1164,10 +1164,10 @@ static void record_and_restart(struct perf_event *event, unsigned long val,
* Finally record data if requested.
*/
if (record) {
- struct perf_sample_data data = {
- .addr = ~0ULL,
- .period = event->hw.last_period,
- };
+ struct perf_sample_data data;
+
+ perf_sample_data_init(&data, ~0ULL);
+ data.period = event->hw.last_period;
if (event->attr.sample_type & PERF_SAMPLE_ADDR)
perf_get_data_addr(regs, &data.addr);
diff --git a/arch/powerpc/kernel/syscalls.c b/arch/powerpc/kernel/syscalls.c
index 3370e62e43d4..f2496f2faecc 100644
--- a/arch/powerpc/kernel/syscalls.c
+++ b/arch/powerpc/kernel/syscalls.c
@@ -42,100 +42,6 @@
#include <asm/time.h>
#include <asm/unistd.h>
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-int sys_ipc(uint call, int first, unsigned long second, long third,
- void __user *ptr, long fifth)
-{
- int version, ret;
-
- version = call >> 16; /* hack for backward compatibility */
- call &= 0xffff;
-
- ret = -ENOSYS;
- switch (call) {
- case SEMOP:
- ret = sys_semtimedop(first, (struct sembuf __user *)ptr,
- (unsigned)second, NULL);
- break;
- case SEMTIMEDOP:
- ret = sys_semtimedop(first, (struct sembuf __user *)ptr,
- (unsigned)second,
- (const struct timespec __user *) fifth);
- break;
- case SEMGET:
- ret = sys_semget (first, (int)second, third);
- break;
- case SEMCTL: {
- union semun fourth;
-
- ret = -EINVAL;
- if (!ptr)
- break;
- if ((ret = get_user(fourth.__pad, (void __user * __user *)ptr)))
- break;
- ret = sys_semctl(first, (int)second, third, fourth);
- break;
- }
- case MSGSND:
- ret = sys_msgsnd(first, (struct msgbuf __user *)ptr,
- (size_t)second, third);
- break;
- case MSGRCV:
- switch (version) {
- case 0: {
- struct ipc_kludge tmp;
-
- ret = -EINVAL;
- if (!ptr)
- break;
- if ((ret = copy_from_user(&tmp,
- (struct ipc_kludge __user *) ptr,
- sizeof (tmp)) ? -EFAULT : 0))
- break;
- ret = sys_msgrcv(first, tmp.msgp, (size_t) second,
- tmp.msgtyp, third);
- break;
- }
- default:
- ret = sys_msgrcv (first, (struct msgbuf __user *) ptr,
- (size_t)second, fifth, third);
- break;
- }
- break;
- case MSGGET:
- ret = sys_msgget((key_t)first, (int)second);
- break;
- case MSGCTL:
- ret = sys_msgctl(first, (int)second,
- (struct msqid_ds __user *)ptr);
- break;
- case SHMAT: {
- ulong raddr;
- ret = do_shmat(first, (char __user *)ptr, (int)second, &raddr);
- if (ret)
- break;
- ret = put_user(raddr, (ulong __user *) third);
- break;
- }
- case SHMDT:
- ret = sys_shmdt((char __user *)ptr);
- break;
- case SHMGET:
- ret = sys_shmget(first, (size_t)second, third);
- break;
- case SHMCTL:
- ret = sys_shmctl(first, (int)second,
- (struct shmid_ds __user *)ptr);
- break;
- }
-
- return ret;
-}
-
static inline unsigned long do_mmap2(unsigned long addr, size_t len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long off, int shift)
@@ -210,76 +116,6 @@ long ppc64_personality(unsigned long personality)
}
#endif
-#ifdef CONFIG_PPC64
-#define OVERRIDE_MACHINE (personality(current->personality) == PER_LINUX32)
-#else
-#define OVERRIDE_MACHINE 0
-#endif
-
-static inline int override_machine(char __user *mach)
-{
- if (OVERRIDE_MACHINE) {
- /* change ppc64 to ppc */
- if (__put_user(0, mach+3) || __put_user(0, mach+4))
- return -EFAULT;
- }
- return 0;
-}
-
-long ppc_newuname(struct new_utsname __user * name)
-{
- int err = 0;
-
- down_read(&uts_sem);
- if (copy_to_user(name, utsname(), sizeof(*name)))
- err = -EFAULT;
- up_read(&uts_sem);
- if (!err)
- err = override_machine(name->machine);
- return err;
-}
-
-int sys_uname(struct old_utsname __user *name)
-{
- int err = 0;
-
- down_read(&uts_sem);
- if (copy_to_user(name, utsname(), sizeof(*name)))
- err = -EFAULT;
- up_read(&uts_sem);
- if (!err)
- err = override_machine(name->machine);
- return err;
-}
-
-int sys_olduname(struct oldold_utsname __user *name)
-{
- int error;
-
- if (!access_ok(VERIFY_WRITE, name, sizeof(struct oldold_utsname)))
- return -EFAULT;
-
- down_read(&uts_sem);
- error = __copy_to_user(&name->sysname, &utsname()->sysname,
- __OLD_UTS_LEN);
- error |= __put_user(0, name->sysname + __OLD_UTS_LEN);
- error |= __copy_to_user(&name->nodename, &utsname()->nodename,
- __OLD_UTS_LEN);
- error |= __put_user(0, name->nodename + __OLD_UTS_LEN);
- error |= __copy_to_user(&name->release, &utsname()->release,
- __OLD_UTS_LEN);
- error |= __put_user(0, name->release + __OLD_UTS_LEN);
- error |= __copy_to_user(&name->version, &utsname()->version,
- __OLD_UTS_LEN);
- error |= __put_user(0, name->version + __OLD_UTS_LEN);
- error |= __copy_to_user(&name->machine, &utsname()->machine,
- __OLD_UTS_LEN);
- error |= override_machine(name->machine);
- up_read(&uts_sem);
-
- return error? -EFAULT: 0;
-}
-
long ppc_fadvise64_64(int fd, int advice, u32 offset_high, u32 offset_low,
u32 len_high, u32 len_low)
{
diff --git a/arch/powerpc/mm/init_32.c b/arch/powerpc/mm/init_32.c
index 4ec900af332f..b1dbd9ee87cc 100644
--- a/arch/powerpc/mm/init_32.c
+++ b/arch/powerpc/mm/init_32.c
@@ -47,7 +47,7 @@
#include "mmu_decl.h"
#if defined(CONFIG_KERNEL_START_BOOL) || defined(CONFIG_LOWMEM_SIZE_BOOL)
-/* The ammount of lowmem must be within 0xF0000000 - KERNELBASE. */
+/* The amount of lowmem must be within 0xF0000000 - KERNELBASE. */
#if (CONFIG_LOWMEM_SIZE > (0xF0000000 - PAGE_OFFSET))
#error "You must adjust CONFIG_LOWMEM_SIZE or CONFIG_START_KERNEL"
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 00:18:05 +0000