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ACPI: remove acpi_os_readable(), acpi_os_writable()

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...which are now unused

Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Len Brown
2007-02-15 22:11:48 -05:00
parent 70c0846e43
commit fc955f670c
2 changed files with 0 additions and 26 deletions
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20
drivers/acpi/osl.c
View File

@@ -890,26 +890,6 @@ u32 acpi_os_get_line(char *buffer)
} }
#endif /* ACPI_FUTURE_USAGE */ #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) acpi_status acpi_os_signal(u32 function, void *info)
{ {
switch (function) { switch (function) {

6
include/acpi/acpiosxf.h
View File

@@ -240,12 +240,6 @@ acpi_status
acpi_os_validate_address(u8 space_id, acpi_os_validate_address(u8 space_id,
acpi_physical_address address, acpi_size length); acpi_physical_address address, acpi_size length);
u8 acpi_os_readable(void *pointer, acpi_size length);
#ifdef ACPI_FUTURE_USAGE
u8 acpi_os_writable(void *pointer, acpi_size length);
#endif
u64 acpi_os_get_timer(void); u64 acpi_os_get_timer(void);
acpi_status acpi_os_signal(u32 function, void *info); acpi_status acpi_os_signal(u32 function, void *info);