Messages in this thread Patch in this message | | | From | Lv Zheng <> | Subject | [PATCH 16/27] ACPICA: Linux header: Add support for stubbed externals. | Date | Wed, 30 Apr 2014 10:05:15 +0800 |
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Linux wants to include all header files but leave empty inline stub variables for a feature that is not configured during build.
This patch configures ACPICA external globals/macros/functions out and defines them into no-op when CONFIG_ACPI is not enabled. Lv Zheng.
Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> --- include/acpi/platform/aclinux.h | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+)
diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h index f242909..4c2f9e7 100644 --- a/include/acpi/platform/aclinux.h +++ b/include/acpi/platform/aclinux.h @@ -73,6 +73,37 @@ #endif #include <asm/acpi.h> +#ifndef CONFIG_ACPI + +/* External globals for __KERNEL__, stubs is needed */ + +#define ACPI_GLOBAL(t,a) +#define ACPI_INIT_GLOBAL(t,a,b) + +/* Generating stubs for configurable ACPICA macros */ + +#define ACPI_NO_MEM_ALLOCATIONS + +/* Generating stubs for configurable ACPICA functions */ + +#define ACPI_NO_ERROR_MESSAGES +#undef ACPI_DEBUG_OUTPUT + +/* External interface for __KERNEL__, stub is needed */ + +#define ACPI_EXTERNAL_RETURN_STATUS(prototype) \ + static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);} +#define ACPI_EXTERNAL_RETURN_OK(prototype) \ + static ACPI_INLINE prototype {return(AE_OK);} +#define ACPI_EXTERNAL_RETURN_VOID(prototype) \ + static ACPI_INLINE prototype {return;} +#define ACPI_EXTERNAL_RETURN_UINT32(prototype) \ + static ACPI_INLINE prototype {return(0);} +#define ACPI_EXTERNAL_RETURN_PTR(prototype) \ + static ACPI_INLINE prototype {return(NULL);} + +#endif /* CONFIG_ACPI */ + /* Host-dependent types and defines for in-kernel ACPICA */ #define ACPI_MACHINE_WIDTH BITS_PER_LONG -- 1.7.10
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