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authorLv Zheng <lv.zheng@intel.com>2015-08-25 10:29:08 +0800
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-08-25 23:11:31 +0200
commit7484619bff495c30e977dafe2ff735477bd569ff (patch)
treeea939d9716738e9a40961e94935f2e5dd43f1bab /drivers/acpi/acpica
parent8ec3f459073e67e5c6d78507dec693064b3040a2 (diff)
downloadlinux-linaro-stable-7484619bff495c30e977dafe2ff735477bd569ff.tar.gz
ACPICA: Tables: Cleanup to reduce FACS globals
ACPICA commit 3f42ba76e2a0453976d3108296d5f656fdf2bd6e In this patch, FACS table mapping is also tuned a bit so that only the selected FACS table will be mapped by the OSPM (mapped on demand) and the FACS related global variables can be reduced. Lv Zheng. Link: https://github.com/acpica/acpica/commit/3f42ba76 Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/acpica')
-rw-r--r--drivers/acpi/acpica/acglobal.h2
-rw-r--r--drivers/acpi/acpica/hwxfsleep.c15
-rw-r--r--drivers/acpi/acpica/tbutils.c9
3 files changed, 7 insertions, 19 deletions
diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h
index e78667ee5d0b..95ed861e8632 100644
--- a/drivers/acpi/acpica/acglobal.h
+++ b/drivers/acpi/acpica/acglobal.h
@@ -64,8 +64,6 @@ ACPI_INIT_GLOBAL(u32, acpi_gbl_xfacs_index, ACPI_INVALID_TABLE_INDEX);
#if (!ACPI_REDUCED_HARDWARE)
ACPI_GLOBAL(struct acpi_table_facs *, acpi_gbl_FACS);
-ACPI_GLOBAL(struct acpi_table_facs *, acpi_gbl_facs32);
-ACPI_GLOBAL(struct acpi_table_facs *, acpi_gbl_facs64);
#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/drivers/acpi/acpica/hwxfsleep.c b/drivers/acpi/acpica/hwxfsleep.c
index 52dfd0d050fa..d62a61612b3f 100644
--- a/drivers/acpi/acpica/hwxfsleep.c
+++ b/drivers/acpi/acpica/hwxfsleep.c
@@ -160,19 +160,8 @@ acpi_set_firmware_waking_vectors(acpi_physical_address physical_address,
ACPI_FUNCTION_TRACE(acpi_set_firmware_waking_vectors);
- /* If Hardware Reduced flag is set, there is no FACS */
-
- if (acpi_gbl_reduced_hardware) {
- return_ACPI_STATUS (AE_OK);
- }
-
- if (acpi_gbl_facs32) {
- (void)acpi_hw_set_firmware_waking_vectors(acpi_gbl_facs32,
- physical_address,
- physical_address64);
- }
- if (acpi_gbl_facs64) {
- (void)acpi_hw_set_firmware_waking_vectors(acpi_gbl_facs64,
+ if (acpi_gbl_FACS) {
+ (void)acpi_hw_set_firmware_waking_vectors(acpi_gbl_FACS,
physical_address,
physical_address64);
}
diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c
index b1d500e47bdb..4337990127cc 100644
--- a/drivers/acpi/acpica/tbutils.c
+++ b/drivers/acpi/acpica/tbutils.c
@@ -68,6 +68,7 @@ acpi_tb_get_root_table_entry(u8 *table_entry, u32 table_entry_size);
acpi_status acpi_tb_initialize_facs(void)
{
+ struct acpi_table_facs *facs;
/* If Hardware Reduced flag is set, there is no FACS */
@@ -80,14 +81,14 @@ acpi_status acpi_tb_initialize_facs(void)
(void)acpi_get_table_by_index(acpi_gbl_xfacs_index,
ACPI_CAST_INDIRECT_PTR(struct
acpi_table_header,
- &acpi_gbl_facs32));
- acpi_gbl_FACS = acpi_gbl_facs32;
+ &facs));
+ acpi_gbl_FACS = facs;
} else if (acpi_gbl_FADT.facs) {
(void)acpi_get_table_by_index(acpi_gbl_facs_index,
ACPI_CAST_INDIRECT_PTR(struct
acpi_table_header,
- &acpi_gbl_facs64));
- acpi_gbl_FACS = acpi_gbl_facs64;
+ &facs));
+ acpi_gbl_FACS = facs;
}
/* If there is no FACS, just continue. There was already an error msg */