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Commit fc955f67 authored by Len Brown's avatar Len Brown
Browse files

ACPI: remove acpi_os_readable(), acpi_os_writable() 



...which are now unused

Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent 70c0846e

drivers/acpi/osl.c

+0 −20
Original line number Diff line number Diff line
@@ -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) {

include/acpi/acpiosxf.h

+0 −6
Original line number Diff line number Diff line
@@ -240,12 +240,6 @@ acpi_status 
acpi_os_validate_address(u8 space_id,

			 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);



acpi_status acpi_os_signal(u32 function, void *info);