diff options
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/Kconfig | 30 | ||||
| -rw-r--r-- | drivers/acpi/prmt.c | 4 |
2 files changed, 17 insertions, 17 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 9b51c565b19f..7802d8846a8d 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -572,6 +572,21 @@ source "drivers/acpi/pmic/Kconfig" config ACPI_VIOT bool +config ACPI_PRMT + bool "Platform Runtime Mechanism Support" + depends on EFI && (X86_64 || ARM64) + default y + help + Platform Runtime Mechanism (PRM) is a firmware interface exposing a + set of binary executables that can be called from the AML interpreter + or directly from device drivers. + + Say Y to enable the AML interpreter to execute the PRM code. + + While this feature is optional in principle, leaving it out may + substantially increase computational overhead related to the + initialization of some server systems. + endif # ACPI config X86_PM_TIMER @@ -589,18 +604,3 @@ config X86_PM_TIMER You should nearly always say Y here because many modern systems require this timer. - -config ACPI_PRMT - bool "Platform Runtime Mechanism Support" - depends on EFI && X86_64 - default y - help - Platform Runtime Mechanism (PRM) is a firmware interface exposing a - set of binary executables that can be called from the AML interpreter - or directly from device drivers. - - Say Y to enable the AML interpreter to execute the PRM code. - - While this feature is optional in principle, leaving it out may - substantially increase computational overhead related to the - initialization of some server systems. diff --git a/drivers/acpi/prmt.c b/drivers/acpi/prmt.c index 4d3a219c67f8..998101cf16e4 100644 --- a/drivers/acpi/prmt.c +++ b/drivers/acpi/prmt.c @@ -53,7 +53,7 @@ static LIST_HEAD(prm_module_list); struct prm_handler_info { guid_t guid; - u64 handler_addr; + void *handler_addr; u64 static_data_buffer_addr; u64 acpi_param_buffer_addr; @@ -148,7 +148,7 @@ acpi_parse_prmt(union acpi_subtable_headers *header, const unsigned long end) th = &tm->handlers[cur_handler]; guid_copy(&th->guid, (guid_t *)handler_info->handler_guid); - th->handler_addr = efi_pa_va_lookup(handler_info->handler_address); + th->handler_addr = (void *)efi_pa_va_lookup(handler_info->handler_address); th->static_data_buffer_addr = efi_pa_va_lookup(handler_info->static_data_buffer_address); th->acpi_param_buffer_addr = efi_pa_va_lookup(handler_info->acpi_param_buffer_address); } while (++cur_handler < tm->handler_count && (handler_info = get_next_handler(handler_info))); |