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ACPI / bind: Pass struct acpi_device pointer to acpi_bind_one() 

There is no reason to pass an ACPI handle to acpi_bind_one() instead
of a struct acpi_device pointer to the target device object, so
modify that function to take a struct acpi_device pointer as its
second argument and update all code depending on it accordingly.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Lan Tianyu <tianyu.lan@intel.com> # for USB/ACPI
This commit is contained in:
Rafael J. Wysocki 2013-11-29 16:27:43 +01:00
parent e3f02c5228
commit 24dee1fc99
4 changed files with 12 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
drivers/acpi/acpi_memhotplug.c
View File

@ -180,14 +180,14 @@ static unsigned long acpi_meminfo_end_pfn(struct acpi_memory_info *info)
static int acpi_bind_memblk(struct memory_block *mem, void *arg)
{
return acpi_bind_one(&mem->dev, (acpi_handle)arg);
return acpi_bind_one(&mem->dev, arg);
}
static int acpi_bind_memory_blocks(struct acpi_memory_info *info,
acpi_handle handle)
struct acpi_device *adev)
{
return walk_memory_range(acpi_meminfo_start_pfn(info),
acpi_meminfo_end_pfn(info), (void *)handle,
acpi_meminfo_end_pfn(info), adev,
acpi_bind_memblk);
}
@ -197,8 +197,7 @@ static int acpi_unbind_memblk(struct memory_block *mem, void *arg)
return 0;
}
static void acpi_unbind_memory_blocks(struct acpi_memory_info *info,
acpi_handle handle)
static void acpi_unbind_memory_blocks(struct acpi_memory_info *info)
{
walk_memory_range(acpi_meminfo_start_pfn(info),
acpi_meminfo_end_pfn(info), NULL, acpi_unbind_memblk);
@ -242,9 +241,9 @@ static int acpi_memory_enable_device(struct acpi_memory_device *mem_device)
if (result && result != -EEXIST)
continue;
result = acpi_bind_memory_blocks(info, handle);
result = acpi_bind_memory_blocks(info, mem_device->device);
if (result) {
acpi_unbind_memory_blocks(info, handle);
acpi_unbind_memory_blocks(info);
return -ENODEV;
}
@ -285,7 +284,7 @@ static void acpi_memory_remove_memory(struct acpi_memory_device *mem_device)
if (nid == NUMA_NO_NODE)
nid = memory_add_physaddr_to_nid(info->start_addr);
acpi_unbind_memory_blocks(info, handle);
acpi_unbind_memory_blocks(info);
remove_memory(nid, info->start_addr, info->length);
list_del(&info->list);
kfree(info);

2
drivers/acpi/acpi_processor.c
View File

@ -395,7 +395,7 @@ static int acpi_processor_add(struct acpi_device *device,
goto err;
}
result = acpi_bind_one(dev, pr->handle);
result = acpi_bind_one(dev, device);
if (result)
goto err;

9
drivers/acpi/glue.c
View File

@ -172,9 +172,8 @@ static void acpi_physnode_link_name(char *buf, unsigned int node_id)
strcpy(buf, PHYSICAL_NODE_STRING);
}
int acpi_bind_one(struct device *dev, acpi_handle handle)
int acpi_bind_one(struct device *dev, struct acpi_device *acpi_dev)
{
struct acpi_device *acpi_dev = NULL;
struct acpi_device_physical_node *physical_node, *pn;
char physical_node_name[PHYSICAL_NODE_NAME_SIZE];
struct list_head *physnode_list;
@ -182,14 +181,12 @@ int acpi_bind_one(struct device *dev, acpi_handle handle)
int retval = -EINVAL;
if (ACPI_COMPANION(dev)) {
if (handle) {
if (acpi_dev) {
dev_warn(dev, "ACPI companion already set\n");
return -EINVAL;
} else {
acpi_dev = ACPI_COMPANION(dev);
}
} else {
acpi_bus_get_device(handle, &acpi_dev);
}
if (!acpi_dev)
return -EINVAL;
@ -314,7 +311,7 @@ static int acpi_platform_notify(struct device *dev)
ret = -ENODEV;
goto out;
}
ret = acpi_bind_one(dev, adev->handle);
ret = acpi_bind_one(dev, adev);
if (ret)
goto out;
}

2
drivers/acpi/internal.h
View File

@ -86,7 +86,7 @@ void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
int type, unsigned long long sta);
void acpi_device_add_finalize(struct acpi_device *device);
void acpi_free_pnp_ids(struct acpi_device_pnp *pnp);
int acpi_bind_one(struct device *dev, acpi_handle handle);
int acpi_bind_one(struct device *dev, struct acpi_device *adev);
int acpi_unbind_one(struct device *dev);
bool acpi_device_is_present(struct acpi_device *adev);