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authorLen Brown <len.brown@intel.com>2007-02-16 23:52:41 (GMT)
committerLen Brown <len.brown@intel.com>2007-02-16 23:52:41 (GMT)
commit81450b73dde07f473a4a7208b209b4c8b7251d90 (patch)
tree94e676c74c32f2a74dc306cf863d7e190777f2ab /drivers/acpi/osl.c
parent8a03d9a498eaf02c8a118752050a5154852c13bf (diff)
parent0539771d7236b425f285652f6f297cc7939c8f9a (diff)
downloadlinux-fsl-qoriq-81450b73dde07f473a4a7208b209b4c8b7251d90.tar.xz
Pull misc-for-upstream into release branch
Conflicts: drivers/usb/misc/appledisplay.c Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/osl.c')
-rw-r--r--drivers/acpi/osl.c22
1 files changed, 1 insertions, 21 deletions
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 0f6f3bc..99d6c51 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -205,7 +205,7 @@ void __iomem *acpi_os_map_memory(acpi_physical_address phys, acpi_size size)
{
if (phys > ULONG_MAX) {
printk(KERN_ERR PREFIX "Cannot map memory that high\n");
- return 0;
+ return NULL;
}
if (acpi_gbl_permanent_mmap)
/*
@@ -890,26 +890,6 @@ u32 acpi_os_get_line(char *buffer)
}
#endif /* ACPI_FUTURE_USAGE */
-/* Assumes no unreadable holes inbetween */
-u8 acpi_os_readable(void *ptr, acpi_size len)
-{
-#if defined(__i386__) || defined(__x86_64__)
- char tmp;
- return !__get_user(tmp, (char __user *)ptr)
- && !__get_user(tmp, (char __user *)ptr + len - 1);
-#endif
- return 1;
-}
-
-#ifdef ACPI_FUTURE_USAGE
-u8 acpi_os_writable(void *ptr, acpi_size len)
-{
- /* could do dummy write (racy) or a kernel page table lookup.
- The later may be difficult at early boot when kmap doesn't work yet. */
- return 1;
-}
-#endif
-
acpi_status acpi_os_signal(u32 function, void *info)
{
switch (function) {