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Merge branch 'master' into for-2.6.39

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This commit is contained in:
Tejun Heo
2011-02-21 09:43:56 +01:00
parent 4149efb22d 6f576d57f1
commit 43d133c18b
1051 changed files with 13751 additions and 8137 deletions
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25
drivers/acpi/osl.c
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@@ -636,17 +636,21 @@ EXPORT_SYMBOL(acpi_os_write_port);
acpi_status
acpi_os_read_memory(acpi_physical_address phys_addr, u32 * value, u32 width)
{
u32 dummy;
void __iomem *virt_addr;
int size = width / 8, unmap = 0;
unsigned int size = width / 8;
bool unmap = false;
u32 dummy;
rcu_read_lock();
virt_addr = acpi_map_vaddr_lookup(phys_addr, size);
rcu_read_unlock();
if (!virt_addr) {
rcu_read_unlock();
virt_addr = acpi_os_ioremap(phys_addr, size);
unmap = 1;
if (!virt_addr)
return AE_BAD_ADDRESS;
unmap = true;
}
if (!value)
value = &dummy;
@@ -666,6 +670,8 @@ acpi_os_read_memory(acpi_physical_address phys_addr, u32 * value, u32 width)
if (unmap)
iounmap(virt_addr);
else
rcu_read_unlock();
return AE_OK;
}
@@ -674,14 +680,17 @@ acpi_status
acpi_os_write_memory(acpi_physical_address phys_addr, u32 value, u32 width)
{
void __iomem *virt_addr;
int size = width / 8, unmap = 0;
unsigned int size = width / 8;
bool unmap = false;
rcu_read_lock();
virt_addr = acpi_map_vaddr_lookup(phys_addr, size);
rcu_read_unlock();
if (!virt_addr) {
rcu_read_unlock();
virt_addr = acpi_os_ioremap(phys_addr, size);
unmap = 1;
if (!virt_addr)
return AE_BAD_ADDRESS;
unmap = true;
}
switch (width) {
@@ -700,6 +709,8 @@ acpi_os_write_memory(acpi_physical_address phys_addr, u32 value, u32 width)
if (unmap)
iounmap(virt_addr);
else
rcu_read_unlock();
return AE_OK;
}