summaryrefslogtreecommitdiff
path: root/drivers/acpi/acpica/exregion.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2010-05-20 09:45:38 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-20 09:45:38 -0700
commit04afb40593f9a3007e5ea817d009529ef10fb685 (patch)
treede5a16c2b1e5f2d97a7c2eccea4677719817f282 /drivers/acpi/acpica/exregion.c
parent7f06a8b26aba1dc03b42272dc0089a800372c575 (diff)
parentcce4f632db200aef147c59084437168174b23f11 (diff)
Merge branch 'acpica' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'acpica' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (22 commits) ACPI: fix early DSDT dmi check warnings on ia64 ACPICA: Update version to 20100428. ACPICA: Update/clarify some parameter names associated with acpi_handle ACPICA: Rename acpi_ex_system_do_suspend->acpi_ex_system_do_sleep ACPICA: Prevent possible allocation overrun during object copy ACPICA: Split large file, evgpeblk ACPICA: Add GPE support for dynamically loaded ACPI tables ACPICA: Clarify/rename some root table descriptor fields ACPICA: Update version to 20100331. ACPICA: Minimize the differences between linux GPE code and ACPICA code base ACPI: add boot option acpi=copy_dsdt to fix corrupt DSDT ACPICA: Update DSDT copy/detection. ACPICA: Add subsystem option to force copy of DSDT to local memory ACPICA: Add detection of corrupted/replaced DSDT ACPICA: Add write support for DataTable operation regions ACPICA: Fix for acpi_reallocate_root_table for incorrect root table copy ACPICA: Update comments/headers, no functional change ACPICA: Update version to 20100304 ACPICA: Fix for possible fault in acpi_ex_release_mutex ACPICA: Standardize integer output for ACPICA warnings/errors ...
Diffstat (limited to 'drivers/acpi/acpica/exregion.c')
-rw-r--r--drivers/acpi/acpica/exregion.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/acpi/acpica/exregion.c b/drivers/acpi/acpica/exregion.c
index 486b2e5661b6..531000fc77d2 100644
--- a/drivers/acpi/acpica/exregion.c
+++ b/drivers/acpi/acpica/exregion.c
@@ -105,7 +105,7 @@ acpi_ex_system_memory_space_handler(u32 function,
break;
default:
- ACPI_ERROR((AE_INFO, "Invalid SystemMemory width %d",
+ ACPI_ERROR((AE_INFO, "Invalid SystemMemory width %u",
bit_width));
return_ACPI_STATUS(AE_AML_OPERAND_VALUE);
}
@@ -173,7 +173,7 @@ acpi_ex_system_memory_space_handler(u32 function,
mem_info->mapped_logical_address = acpi_os_map_memory((acpi_physical_address) address, map_length);
if (!mem_info->mapped_logical_address) {
ACPI_ERROR((AE_INFO,
- "Could not map memory at %8.8X%8.8X, size %X",
+ "Could not map memory at 0x%8.8X%8.8X, size %u",
ACPI_FORMAT_NATIVE_UINT(address),
(u32) map_length));
mem_info->mapped_length = 0;
@@ -491,8 +491,10 @@ acpi_ex_data_table_space_handler(u32 function,
{
ACPI_FUNCTION_TRACE(ex_data_table_space_handler);
- /* Perform the memory read or write */
-
+ /*
+ * Perform the memory read or write. The bit_width was already
+ * validated.
+ */
switch (function) {
case ACPI_READ:
@@ -502,9 +504,14 @@ acpi_ex_data_table_space_handler(u32 function,
break;
case ACPI_WRITE:
+
+ ACPI_MEMCPY(ACPI_PHYSADDR_TO_PTR(address),
+ ACPI_CAST_PTR(char, value), ACPI_DIV_8(bit_width));
+ break;
+
default:
- return_ACPI_STATUS(AE_SUPPORT);
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
}
return_ACPI_STATUS(AE_OK);