diff options
Diffstat (limited to 'drivers/acpi/osl.c')
| -rw-r--r-- | drivers/acpi/osl.c | 56 |
1 files changed, 3 insertions, 53 deletions
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 2b6c5902825..d59f08ecaf1 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -1070,9 +1070,9 @@ __setup("acpi_wake_gpes_always_on", acpi_wake_gpes_always_on_setup); * in arbitrary AML code and can interfere with legacy drivers. * acpi_enforce_resources= can be set to: * - * - strict (2) + * - strict (default) (2) * -> further driver trying to access the resources will not load - * - lax (default) (1) + * - lax (1) * -> further driver trying to access the resources will load, but you * get a system message that something might go wrong... * @@ -1084,7 +1084,7 @@ __setup("acpi_wake_gpes_always_on", acpi_wake_gpes_always_on_setup); #define ENFORCE_RESOURCES_LAX 1 #define ENFORCE_RESOURCES_NO 0 -static unsigned int acpi_enforce_resources = ENFORCE_RESOURCES_LAX; +static unsigned int acpi_enforce_resources = ENFORCE_RESOURCES_STRICT; static int __init acpi_enforce_resources_setup(char *str) { @@ -1324,54 +1324,6 @@ acpi_os_validate_interface (char *interface) return AE_SUPPORT; } -#ifdef CONFIG_X86 - -struct aml_port_desc { - uint start; - uint end; - char* name; - char warned; -}; - -static struct aml_port_desc aml_invalid_port_list[] = { - {0x20, 0x21, "PIC0", 0}, - {0xA0, 0xA1, "PIC1", 0}, - {0x4D0, 0x4D1, "ELCR", 0} -}; - -/* - * valid_aml_io_address() - * - * if valid, return true - * else invalid, warn once, return false - */ -static bool valid_aml_io_address(uint address, uint length) -{ - int i; - int entries = sizeof(aml_invalid_port_list) / sizeof(struct aml_port_desc); - - for (i = 0; i < entries; ++i) { - if ((address >= aml_invalid_port_list[i].start && - address <= aml_invalid_port_list[i].end) || - (address + length >= aml_invalid_port_list[i].start && - address + length <= aml_invalid_port_list[i].end)) - { - if (!aml_invalid_port_list[i].warned) - { - printk(KERN_ERR "ACPI: Denied BIOS AML access" - " to invalid port 0x%x+0x%x (%s)\n", - address, length, - aml_invalid_port_list[i].name); - aml_invalid_port_list[i].warned = 1; - } - return false; /* invalid */ - } - } - return true; /* valid */ -} -#else -static inline bool valid_aml_io_address(uint address, uint length) { return true; } -#endif /****************************************************************************** * * FUNCTION: acpi_os_validate_address @@ -1401,8 +1353,6 @@ acpi_os_validate_address ( switch (space_id) { case ACPI_ADR_SPACE_SYSTEM_IO: - if (!valid_aml_io_address(address, length)) - return AE_AML_ILLEGAL_ADDRESS; case ACPI_ADR_SPACE_SYSTEM_MEMORY: /* Only interference checks against SystemIO and SytemMemory are needed */ |