diff options
| author | Len Brown <len.brown@intel.com> | 2007-02-16 18:52:41 -0500 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2007-02-16 18:52:41 -0500 |
| commit | 81450b73dde07f473a4a7208b209b4c8b7251d90 (patch) | |
| tree | 94e676c74c32f2a74dc306cf863d7e190777f2ab /drivers/acpi/osl.c | |
| parent | 8a03d9a498eaf02c8a118752050a5154852c13bf (diff) | |
| parent | 0539771d7236b425f285652f6f297cc7939c8f9a (diff) | |
| download | lwn-81450b73dde07f473a4a7208b209b4c8b7251d90.tar.gz lwn-81450b73dde07f473a4a7208b209b4c8b7251d90.zip | |
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.c | 22 |
1 files changed, 1 insertions, 21 deletions
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 0f6f3bcbc8eb..99d6c5128280 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) { |