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ACPI / bind: Redefine acpi_preset_companion()

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Modify acpi_preset_companion() to take a struct acpi_device pointer
instead of an ACPI handle as its second argument and redefine it as
a static inline wrapper around ACPI_COMPANION_SET() passing the
return value of acpi_find_child_device() directly as the second
argument to it.  Update its users to pass struct acpi_device
pointers instead of ACPI handles to it.

This allows some unnecessary acpi_bus_get_device() calls to be
avoided.

Signed-off-by: Rafael J. Wysocki <[email protected]>
Reviewed-by: Aaron Lu <[email protected]>
Tested-by: Aaron Lu <[email protected]> # for ATA binding
This commit is contained in:
Rafael J. Wysocki 2013-11-28 23:58:28 +01:00
commit 9c5ad36d98
5 changed files with 21 additions and 24 deletions
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1
include/acpi/acpi_bus.h
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@ -435,7 +435,6 @@ struct acpi_pci_root {
struct acpi_device *acpi_find_child_device(struct acpi_device *parent,
u64 address, bool check_children);
acpi_handle acpi_get_child(acpi_handle handle, u64 addr);
void acpi_preset_companion(struct device *dev, acpi_handle parent, u64 addr);
int acpi_is_root_bridge(acpi_handle);
struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle);