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ACPI / boot: Correct address space of __acpi_map_table()

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Sparse complains about wrong address space used in __acpi_map_table()
and in __acpi_unmap_table().

arch/x86/kernel/acpi/boot.c:127:29: warning: incorrect type in return expression (different address spaces)
arch/x86/kernel/acpi/boot.c:127:29:    expected char *
arch/x86/kernel/acpi/boot.c:127:29:    got void [noderef] <asn:2>*
arch/x86/kernel/acpi/boot.c:135:23: warning: incorrect type in argument 1 (different address spaces)
arch/x86/kernel/acpi/boot.c:135:23:    expected void [noderef] <asn:2>*addr
arch/x86/kernel/acpi/boot.c:135:23:    got char *map

Correct address space to be in align of type of returned and passed
parameter.

Reviewed-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Andy Shevchenko 2017-07-18 18:04:17 +03:00 • committed by Rafael J. Wysocki
parent 861a6ee814
commit 6c9a58e84e
4 changed files with 9 additions and 9 deletions
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4
include/linux/acpi.h
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@ -228,8 +228,8 @@ struct acpi_subtable_proc {
int count;
};
char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
void __acpi_unmap_table(char *map, unsigned long size);
void __iomem *__acpi_map_table(unsigned long phys, unsigned long size);
void __acpi_unmap_table(void __iomem *map, unsigned long size);
int early_acpi_boot_init(void);
int acpi_boot_init (void);
void acpi_boot_table_init (void);