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ACPICA: Tables: Change acpi_find_root_pointer() to use acpi_physical_address.

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ACPICA commit 7d9fd64397d7c38899d3dc497525f6e6b044e0e3

OSPMs like Linux expect an acpi_physical_address returning value from
acpi_find_root_pointer(). This triggers warnings if sizeof (acpi_size) doesn't
equal to sizeof (acpi_physical_address):
  drivers/acpi/osl.c:275:3: warning: passing argument 1 of 'acpi_find_root_pointer' from incompatible pointer type [enabled by default]
  In file included from include/acpi/acpi.h:64:0,
                   from include/linux/acpi.h:36,
                   from drivers/acpi/osl.c:41:
  include/acpi/acpixf.h:433:1: note: expected 'acpi_size *' but argument is of type 'acpi_physical_address *'
This patch corrects acpi_find_root_pointer().

Link: 7d9fd643
Signed-off-by: Lv Zheng <[email protected]>
Signed-off-by: Bob Moore <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
This commit is contained in:
Lv Zheng 2015-04-13 11:48:18 +08:00 • committed by Rafael J. Wysocki
commit f254e3c57b
2 changed files with 10 additions and 9 deletions
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7
drivers/acpi/acpica/tbxfroot.c
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@ -142,7 +142,7 @@ acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp * rsdp)
*
******************************************************************************/
acpi_status __init acpi_find_root_pointer(acpi_size * table_address)
acpi_status __init acpi_find_root_pointer(acpi_physical_address * table_address)
{
u8 *table_ptr;
u8 *mem_rover;
@ -200,7 +200,8 @@ acpi_status __init acpi_find_root_pointer(acpi_size * table_address)
physical_address +=
(u32) ACPI_PTR_DIFF(mem_rover, table_ptr);
*table_address = physical_address;
*table_address =
(acpi_physical_address) physical_address;
return_ACPI_STATUS(AE_OK);
}
}
@ -233,7 +234,7 @@ acpi_status __init acpi_find_root_pointer(acpi_size * table_address)
(ACPI_HI_RSDP_WINDOW_BASE +
ACPI_PTR_DIFF(mem_rover, table_ptr));
*table_address = physical_address;
*table_address = (acpi_physical_address) physical_address;
return_ACPI_STATUS(AE_OK);
}