The ASL compiler cannot handle C structures and the like so needs some sort of header guard around these.
We already have an __ASSEMBLY__ #define but it seems best to create a new one for ACPI since the rules may be different.
Add the check to a few files that ACPI always includes.
Signed-off-by: Simon Glass sjg@chromium.org Reviewed-by: Bin Meng bmeng.cn@gmail.com Reviewed-by: Wolfgang Wallner wolfgang.wallner@br-automation.com ---
Changes in v5: None Changes in v4: None Changes in v3: None Changes in v2: None
include/acpi/acpi_table.h | 4 ++++ include/dm/acpi.h | 4 ++++ scripts/Makefile.lib | 4 ++-- 3 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/include/acpi/acpi_table.h b/include/acpi/acpi_table.h index b4404a632c0..dd748958136 100644 --- a/include/acpi/acpi_table.h +++ b/include/acpi/acpi_table.h @@ -21,6 +21,8 @@ #define ACPI_RSDP_REV_ACPI_1_0 0 #define ACPI_RSDP_REV_ACPI_2_0 2
+#if !defined(__ACPI__) + /* * RSDP (Root System Description Pointer) * Note: ACPI 1.0 didn't have length, xsdt_address, and ext_checksum @@ -389,6 +391,8 @@ struct __packed acpi_spcr { u32 reserved2; };
+#endif /* !__ACPI__*/ + #include <asm/acpi_table.h>
#endif /* __ACPI_TABLE_H__ */ diff --git a/include/dm/acpi.h b/include/dm/acpi.h index ba0813fa21c..49257914ffd 100644 --- a/include/dm/acpi.h +++ b/include/dm/acpi.h @@ -22,6 +22,8 @@ /* Length of an ACPI name string including nul terminator */ #define ACPI_NAME_MAX (ACPI_NAME_LEN + 1)
+#if !defined(__ACPI__) + /** * struct acpi_ops - ACPI operations supported by driver model */ @@ -70,4 +72,6 @@ int acpi_get_name(const struct udevice *dev, char *out_name); */ int acpi_copy_name(char *out_name, const char *name);
+#endif /* __ACPI__ */ + #endif diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index 30f392fdfb0..aebdb38d0d2 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -413,8 +413,8 @@ ASL_TMP = $(patsubst %.c,%.asl.tmp,$@)
quiet_cmd_acpi_c_asl= ASL $< cmd_acpi_c_asl= \ - $(CPP) -x assembler-with-cpp -D__ASSEMBLY__ -P $(UBOOTINCLUDE) \ - -o $(ASL_TMP) $< && \ + $(CPP) -x assembler-with-cpp -D__ASSEMBLY__ -D__ACPI__ \ + -P $(UBOOTINCLUDE) -o $(ASL_TMP) $< && \ iasl -p $@ -tc $(ASL_TMP) $(if $(KBUILD_VERBOSE:1=), >/dev/null) && \ mv $(patsubst %.c,%.hex,$@) $@