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authorLv Zheng <lv.zheng@intel.com>2013-09-23 01:52:34 (GMT)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-09-23 23:46:24 (GMT)
commitcacba8657351f709ab3cb53a2b207f513f14054c (patch)
treee1e6916e08fc31a145e88cc722c27891f57b8b72 /drivers/acpi
parent94d4be6773e86a0d52d7e200fb3cda2b9013c862 (diff)
downloadlinux-cacba8657351f709ab3cb53a2b207f513f14054c.tar.xz
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>
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/acpica/tbprint.c2
-rw-r--r--drivers/acpi/acpica/tbxfroot.c3
2 files changed, 2 insertions, 3 deletions
diff --git a/drivers/acpi/acpica/tbprint.c b/drivers/acpi/acpica/tbprint.c
index 499759a..9a47715 100644
--- a/drivers/acpi/acpica/tbprint.c
+++ b/drivers/acpi/acpica/tbprint.c
@@ -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 */
diff --git a/drivers/acpi/acpica/tbxfroot.c b/drivers/acpi/acpica/tbxfroot.c
index 948c95e..1c95fab 100644
--- a/drivers/acpi/acpica/tbxfroot.c
+++ b/drivers/acpi/acpica/tbxfroot.c
@@ -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 */