diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-03-31 07:53:43 -0400 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2009-03-31 07:53:43 -0400 |
commit | 7bee946358c3cb957d4aa648fc5ab3cad0b232d0 (patch) | |
tree | 693061ebde2abc35ecc846e5084630d7225aaaff /drivers/acpi/osl.c | |
parent | d820ac4c2fa881079e6b689d2098adce337558ae (diff) | |
parent | 15f7176eb1cccec0a332541285ee752b935c1c85 (diff) |
Merge branch 'linus' into locking-for-linus
Conflicts:
lib/Kconfig.debug
Diffstat (limited to 'drivers/acpi/osl.c')
-rw-r--r-- | drivers/acpi/osl.c | 63 |
1 files changed, 10 insertions, 53 deletions
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index b3193ec0a2ef..eb8980d67368 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c | |||
@@ -272,14 +272,21 @@ acpi_os_map_memory(acpi_physical_address phys, acpi_size size) | |||
272 | } | 272 | } |
273 | EXPORT_SYMBOL_GPL(acpi_os_map_memory); | 273 | EXPORT_SYMBOL_GPL(acpi_os_map_memory); |
274 | 274 | ||
275 | void acpi_os_unmap_memory(void __iomem * virt, acpi_size size) | 275 | void __ref acpi_os_unmap_memory(void __iomem *virt, acpi_size size) |
276 | { | 276 | { |
277 | if (acpi_gbl_permanent_mmap) { | 277 | if (acpi_gbl_permanent_mmap) |
278 | iounmap(virt); | 278 | iounmap(virt); |
279 | } | 279 | else |
280 | __acpi_unmap_table(virt, size); | ||
280 | } | 281 | } |
281 | EXPORT_SYMBOL_GPL(acpi_os_unmap_memory); | 282 | EXPORT_SYMBOL_GPL(acpi_os_unmap_memory); |
282 | 283 | ||
284 | void __init early_acpi_os_unmap_memory(void __iomem *virt, acpi_size size) | ||
285 | { | ||
286 | if (!acpi_gbl_permanent_mmap) | ||
287 | __acpi_unmap_table(virt, size); | ||
288 | } | ||
289 | |||
283 | #ifdef ACPI_FUTURE_USAGE | 290 | #ifdef ACPI_FUTURE_USAGE |
284 | acpi_status | 291 | acpi_status |
285 | acpi_os_get_physical_address(void *virt, acpi_physical_address * phys) | 292 | acpi_os_get_physical_address(void *virt, acpi_physical_address * phys) |
@@ -1317,54 +1324,6 @@ acpi_os_validate_interface (char *interface) | |||
1317 | return AE_SUPPORT; | 1324 | return AE_SUPPORT; |
1318 | } | 1325 | } |
1319 | 1326 | ||
1320 | #ifdef CONFIG_X86 | ||
1321 | |||
1322 | struct aml_port_desc { | ||
1323 | uint start; | ||
1324 | uint end; | ||
1325 | char* name; | ||
1326 | char warned; | ||
1327 | }; | ||
1328 | |||
1329 | static struct aml_port_desc aml_invalid_port_list[] = { | ||
1330 | {0x20, 0x21, "PIC0", 0}, | ||
1331 | {0xA0, 0xA1, "PIC1", 0}, | ||
1332 | {0x4D0, 0x4D1, "ELCR", 0} | ||
1333 | }; | ||
1334 | |||
1335 | /* | ||
1336 | * valid_aml_io_address() | ||
1337 | * | ||
1338 | * if valid, return true | ||
1339 | * else invalid, warn once, return false | ||
1340 | */ | ||
1341 | static bool valid_aml_io_address(uint address, uint length) | ||
1342 | { | ||
1343 | int i; | ||
1344 | int entries = sizeof(aml_invalid_port_list) / sizeof(struct aml_port_desc); | ||
1345 | |||
1346 | for (i = 0; i < entries; ++i) { | ||
1347 | if ((address >= aml_invalid_port_list[i].start && | ||
1348 | address <= aml_invalid_port_list[i].end) || | ||
1349 | (address + length >= aml_invalid_port_list[i].start && | ||
1350 | address + length <= aml_invalid_port_list[i].end)) | ||
1351 | { | ||
1352 | if (!aml_invalid_port_list[i].warned) | ||
1353 | { | ||
1354 | printk(KERN_ERR "ACPI: Denied BIOS AML access" | ||
1355 | " to invalid port 0x%x+0x%x (%s)\n", | ||
1356 | address, length, | ||
1357 | aml_invalid_port_list[i].name); | ||
1358 | aml_invalid_port_list[i].warned = 1; | ||
1359 | } | ||
1360 | return false; /* invalid */ | ||
1361 | } | ||
1362 | } | ||
1363 | return true; /* valid */ | ||
1364 | } | ||
1365 | #else | ||
1366 | static inline bool valid_aml_io_address(uint address, uint length) { return true; } | ||
1367 | #endif | ||
1368 | /****************************************************************************** | 1327 | /****************************************************************************** |
1369 | * | 1328 | * |
1370 | * FUNCTION: acpi_os_validate_address | 1329 | * FUNCTION: acpi_os_validate_address |
@@ -1394,8 +1353,6 @@ acpi_os_validate_address ( | |||
1394 | 1353 | ||
1395 | switch (space_id) { | 1354 | switch (space_id) { |
1396 | case ACPI_ADR_SPACE_SYSTEM_IO: | 1355 | case ACPI_ADR_SPACE_SYSTEM_IO: |
1397 | if (!valid_aml_io_address(address, length)) | ||
1398 | return AE_AML_ILLEGAL_ADDRESS; | ||
1399 | case ACPI_ADR_SPACE_SYSTEM_MEMORY: | 1356 | case ACPI_ADR_SPACE_SYSTEM_MEMORY: |
1400 | /* Only interference checks against SystemIO and SytemMemory | 1357 | /* Only interference checks against SystemIO and SytemMemory |
1401 | are needed */ | 1358 | are needed */ |