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path: root/drivers/acpi/acpica/evgpeinit.c
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Diffstat (limited to 'drivers/acpi/acpica/evgpeinit.c')
-rw-r--r--drivers/acpi/acpica/evgpeinit.c23
1 files changed, 17 insertions, 6 deletions
diff --git a/drivers/acpi/acpica/evgpeinit.c b/drivers/acpi/acpica/evgpeinit.c
index 6effd8076dcc..6d82d30d8f7b 100644
--- a/drivers/acpi/acpica/evgpeinit.c
+++ b/drivers/acpi/acpica/evgpeinit.c
@@ -32,6 +32,16 @@ ACPI_MODULE_NAME("evgpeinit")
* kernel boot time as well.
*/
+#ifdef ACPI_GPE_USE_LOGICAL_ADDRESSES
+#define ACPI_FADT_GPE_BLOCK_ADDRESS(N) \
+ acpi_gbl_FADT.xgpe##N##_block.space_id == \
+ ACPI_ADR_SPACE_SYSTEM_MEMORY ? \
+ (u64)acpi_gbl_xgpe##N##_block_logical_address : \
+ acpi_gbl_FADT.xgpe##N##_block.address
+#else
+#define ACPI_FADT_GPE_BLOCK_ADDRESS(N) acpi_gbl_FADT.xgpe##N##_block.address
+#endif /* ACPI_GPE_USE_LOGICAL_ADDRESSES */
+
/*******************************************************************************
*
* FUNCTION: acpi_ev_gpe_initialize
@@ -49,6 +59,7 @@ acpi_status acpi_ev_gpe_initialize(void)
u32 register_count1 = 0;
u32 gpe_number_max = 0;
acpi_status status;
+ u64 address;
ACPI_FUNCTION_TRACE(ev_gpe_initialize);
@@ -85,8 +96,9 @@ acpi_status acpi_ev_gpe_initialize(void)
* If EITHER the register length OR the block address are zero, then that
* particular block is not supported.
*/
- if (acpi_gbl_FADT.gpe0_block_length &&
- acpi_gbl_FADT.xgpe0_block.address) {
+ address = ACPI_FADT_GPE_BLOCK_ADDRESS(0);
+
+ if (acpi_gbl_FADT.gpe0_block_length && address) {
/* GPE block 0 exists (has both length and address > 0) */
@@ -97,7 +109,6 @@ acpi_status acpi_ev_gpe_initialize(void)
/* Install GPE Block 0 */
status = acpi_ev_create_gpe_block(acpi_gbl_fadt_gpe_device,
- acpi_gbl_FADT.xgpe0_block.
address,
acpi_gbl_FADT.xgpe0_block.
space_id, register_count0, 0,
@@ -110,8 +121,9 @@ acpi_status acpi_ev_gpe_initialize(void)
}
}
- if (acpi_gbl_FADT.gpe1_block_length &&
- acpi_gbl_FADT.xgpe1_block.address) {
+ address = ACPI_FADT_GPE_BLOCK_ADDRESS(1);
+
+ if (acpi_gbl_FADT.gpe1_block_length && address) {
/* GPE block 1 exists (has both length and address > 0) */
@@ -137,7 +149,6 @@ acpi_status acpi_ev_gpe_initialize(void)
status =
acpi_ev_create_gpe_block(acpi_gbl_fadt_gpe_device,
- acpi_gbl_FADT.xgpe1_block.
address,
acpi_gbl_FADT.xgpe1_block.
space_id, register_count1,