mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-03 17:40:04 +00:00
ACPICA: Tables: Cleanup RSDP signature codes.
This patch introduces new macors to handle RSDP signature and cleans up the affected codes. Lv Zheng. Some updates are only used for ACPICA utilities which are not shipped in the kernel yet. Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Reviewed-by: Len Brown <len.brown@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
parent
94d4be6773
commit
cacba86573
3 changed files with 7 additions and 3 deletions
|
@ -138,7 +138,7 @@ acpi_tb_print_table_header(acpi_physical_address address,
|
|||
ACPI_INFO((AE_INFO, "%4.4s %p %05X",
|
||||
header->signature, ACPI_CAST_PTR(void, address),
|
||||
header->length));
|
||||
} else if (ACPI_COMPARE_NAME(header->signature, ACPI_SIG_RSDP)) {
|
||||
} else if (ACPI_VALIDATE_RSDP_SIG(header->signature)) {
|
||||
|
||||
/* RSDP has no common fields */
|
||||
|
||||
|
|
|
@ -68,8 +68,7 @@ acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp)
|
|||
* Note: Sometimes there exists more than one RSDP in memory; the valid
|
||||
* RSDP has a valid checksum, all others have an invalid checksum.
|
||||
*/
|
||||
if (ACPI_STRNCMP((char *)rsdp->signature, ACPI_SIG_RSDP,
|
||||
sizeof(ACPI_SIG_RSDP) - 1) != 0) {
|
||||
if (!ACPI_VALIDATE_RSDP_SIG(rsdp->signature)) {
|
||||
|
||||
/* Nope, BAD Signature */
|
||||
|
||||
|
|
|
@ -474,6 +474,11 @@ typedef u64 acpi_integer;
|
|||
#define ACPI_MOVE_NAME(dest,src) (ACPI_STRNCPY (ACPI_CAST_PTR (char, (dest)), ACPI_CAST_PTR (char, (src)), ACPI_NAME_SIZE))
|
||||
#endif
|
||||
|
||||
/* Support for the special RSDP signature (8 characters) */
|
||||
|
||||
#define ACPI_VALIDATE_RSDP_SIG(a) (!ACPI_STRNCMP (ACPI_CAST_PTR (char, (a)), ACPI_SIG_RSDP, 8))
|
||||
#define ACPI_MAKE_RSDP_SIG(dest) (ACPI_MEMCPY (ACPI_CAST_PTR (char, (dest)), ACPI_SIG_RSDP, 8))
|
||||
|
||||
/*******************************************************************************
|
||||
*
|
||||
* Miscellaneous constants
|
||||
|
|
Loading…
Reference in a new issue