Some acpi_get_pci_dev() callers already have a struct ACPI device for
which they want to get the struct pci_dev pointer of the associated
PCI device, so they don't need to look for one.
For this reason, add acpi_dev_get_pci_dev() that will get a PCI device
for a given ACPI one (if possible) and turn acpi_get_pci_dev() into
a static inline helper passing the acpi_fetch_acpi_dev() return value
directly to acpi_dev_get_pci_dev().
No intentional functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/3430928.44csPzL39Z@rafael.j.wysocki
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