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Merge branch 'atomicio-remove' into release

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This commit is contained in:
Len Brown
2012-01-18 00:46:30 -05:00
rodzic 037d76f404 700130b41f
commit cb7971756b
5 zmienionych plików z 133 dodań i 25 usunięć
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40
drivers/acpi/osl.c
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@@ -153,17 +153,21 @@ static u32 acpi_osi_handler(acpi_string interface, u32 supported)
return supported;
}
static void __init acpi_request_region (struct acpi_generic_address *addr,
static void __init acpi_request_region (struct acpi_generic_address *gas,
unsigned int length, char *desc)
{
if (!addr->address || !length)
u64 addr;
/* Handle possible alignment issues */
memcpy(&addr, &gas->address, sizeof(addr));
if (!addr || !length)
return;
/* Resources are never freed */
if (addr->space_id == ACPI_ADR_SPACE_SYSTEM_IO)
request_region(addr->address, length, desc);
else if (addr->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY)
request_mem_region(addr->address, length, desc);
if (gas->space_id == ACPI_ADR_SPACE_SYSTEM_IO)
request_region(addr, length, desc);
else if (gas->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY)
request_mem_region(addr, length, desc);
}
static int __init acpi_reserve_resources(void)
@@ -414,35 +418,42 @@ void __init early_acpi_os_unmap_memory(void __iomem *virt, acpi_size size)
__acpi_unmap_table(virt, size);
}
static int acpi_os_map_generic_address(struct acpi_generic_address *addr)
int acpi_os_map_generic_address(struct acpi_generic_address *gas)
{
u64 addr;
void __iomem *virt;
if (addr->space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY)
if (gas->space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY)
return 0;
if (!addr->address || !addr->bit_width)
/* Handle possible alignment issues */
memcpy(&addr, &gas->address, sizeof(addr));
if (!addr || !gas->bit_width)
return -EINVAL;
virt = acpi_os_map_memory(addr->address, addr->bit_width / 8);
virt = acpi_os_map_memory(addr, gas->bit_width / 8);
if (!virt)
return -EIO;
return 0;
}
EXPORT_SYMBOL(acpi_os_map_generic_address);
static void acpi_os_unmap_generic_address(struct acpi_generic_address *addr)
void acpi_os_unmap_generic_address(struct acpi_generic_address *gas)
{
u64 addr;
struct acpi_ioremap *map;
if (addr->space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY)
if (gas->space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY)
return;
if (!addr->address || !addr->bit_width)
/* Handle possible alignment issues */
memcpy(&addr, &gas->address, sizeof(addr));
if (!addr || !gas->bit_width)
return;
mutex_lock(&acpi_ioremap_lock);
map = acpi_map_lookup(addr->address, addr->bit_width / 8);
map = acpi_map_lookup(addr, gas->bit_width / 8);
if (!map) {
mutex_unlock(&acpi_ioremap_lock);
return;
@@ -452,6 +463,7 @@ static void acpi_os_unmap_generic_address(struct acpi_generic_address *addr)
acpi_os_map_cleanup(map);
}
EXPORT_SYMBOL(acpi_os_unmap_generic_address);
#ifdef ACPI_FUTURE_USAGE
acpi_status