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ACPI: utils: Introduce acpi_get_local_address()

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Introduce a wrapper around the _ADR evaluation.

Signed-off-by: Calvin Johnson <calvin.johnson@oss.nxp.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Acked-by: Grant Likely <grant.likely@arm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Calvin Johnson 2021-06-11 13:53:56 +03:00 • committed by David S. Miller
parent 8d2cb3ad31
commit 7ec16433cf
2 changed files with 21 additions and 0 deletions
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7
include/linux/acpi.h
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@ -710,6 +710,8 @@ static inline u64 acpi_arch_get_root_pointer(void)
}
#endif
int acpi_get_local_address(acpi_handle handle, u32 *addr);
#else /* !CONFIG_ACPI */
#define acpi_disabled 1
@ -965,6 +967,11 @@ static inline struct acpi_device *acpi_resource_consumer(struct resource *res)
return NULL;
}
static inline int acpi_get_local_address(acpi_handle handle, u32 *addr)
{
return -ENODEV;
}
#endif /* !CONFIG_ACPI */
#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC