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[4/4] riscv: Don't duplicate _ALTERNATIVE_CFG* macros

Message ID 20221125113959.35328-5-ajones@ventanamicro.com (mailing list archive)
State Superseded
Headers show
Series [1/4] riscv: Don't duplicate __ALTERNATIVE_CFG in __ALTERNATIVE_CFG_2 | expand

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conchuod/header_inline success No static functions without inline keyword in header files
conchuod/checkpatch fail ERROR: Macros with complex values should be enclosed in parentheses
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Commit Message

Andrew Jones Nov. 25, 2022, 11:39 a.m. UTC 
Reduce clutter by only defining the _ALTERNATIVE_CFG* macros once,
rather than once for assembly and once for C. To do that, we need to
add __ALTERNATIVE_CFG* macros to the assembly side, but those are
one-liners. Also take the opportunity to do a bit of reformatting,
taking full advantage of the fact checkpatch gives us 100 char lines.

Signed-off-by: Andrew Jones <ajones@ventanamicro.com>
---
 arch/riscv/include/asm/alternative-macros.h | 53 +++++++--------------
 1 file changed, 17 insertions(+), 36 deletions(-)
diff mbox series

Patch

diff --git a/arch/riscv/include/asm/alternative-macros.h b/arch/riscv/include/asm/alternative-macros.h
index 68dc349b0876..a6c4f8ed41d3 100644
--- a/arch/riscv/include/asm/alternative-macros.h
+++ b/arch/riscv/include/asm/alternative-macros.h
@@ -44,23 +44,14 @@ 
 	ALT_NEW_CONTENT \vendor_id, \errata_id, \enable, \new_c
 .endm
 
-#define _ALTERNATIVE_CFG(old_c, new_c, vendor_id, errata_id, CONFIG_k) \
-	ALTERNATIVE_CFG old_c, new_c, vendor_id, errata_id, IS_ENABLED(CONFIG_k)
-
 .macro ALTERNATIVE_CFG_2 old_c, new_c_1, vendor_id_1, errata_id_1, enable_1,	\
 				new_c_2, vendor_id_2, errata_id_2, enable_2
 	ALTERNATIVE_CFG old_c, new_c_1, vendor_id_1, errata_id_1, enable_1
 	ALT_NEW_CONTENT \vendor_id_2, \errata_id_2, \enable_2, \new_c_2
 .endm
 
-#define _ALTERNATIVE_CFG_2(old_c, new_c_1, vendor_id_1, errata_id_1,	\
-					CONFIG_k_1,			\
-				  new_c_2, vendor_id_2, errata_id_2,	\
-					CONFIG_k_2)			\
-	ALTERNATIVE_CFG_2 old_c, new_c_1, vendor_id_1, errata_id_1,	\
-					IS_ENABLED(CONFIG_k_1),		\
-				 new_c_2, vendor_id_2, errata_id_2,	\
-					IS_ENABLED(CONFIG_k_2)
+#define __ALTERNATIVE_CFG(...)		ALTERNATIVE_CFG __VA_ARGS__
+#define __ALTERNATIVE_CFG_2(...)	ALTERNATIVE_CFG_2 __VA_ARGS__
 
 #else /* !__ASSEMBLY__ */
 
@@ -102,27 +93,21 @@ 
 	"887 :\n"							\
 	ALT_NEW_CONTENT(vendor_id, errata_id, enable, new_c)
 
-#define _ALTERNATIVE_CFG(old_c, new_c, vendor_id, errata_id, CONFIG_k)	\
-	__ALTERNATIVE_CFG(old_c, new_c, vendor_id, errata_id, IS_ENABLED(CONFIG_k))
-
-#define __ALTERNATIVE_CFG_2(old_c, new_c_1, vendor_id_1, errata_id_1,	\
-					enable_1,			\
-				   new_c_2, vendor_id_2, errata_id_2,	\
-					enable_2)			\
-	__ALTERNATIVE_CFG(old_c, new_c_1, vendor_id_1, errata_id_1, enable_1) \
+#define __ALTERNATIVE_CFG_2(old_c, new_c_1, vendor_id_1, errata_id_1, enable_1,	\
+				   new_c_2, vendor_id_2, errata_id_2, enable_2)	\
+	__ALTERNATIVE_CFG(old_c, new_c_1, vendor_id_1, errata_id_1, enable_1)	\
 	ALT_NEW_CONTENT(vendor_id_2, errata_id_2, enable_2, new_c_2)
 
-#define _ALTERNATIVE_CFG_2(old_c, new_c_1, vendor_id_1, errata_id_1,	\
-					CONFIG_k_1,			\
-				  new_c_2, vendor_id_2, errata_id_2,	\
-					CONFIG_k_2)			\
-	__ALTERNATIVE_CFG_2(old_c, new_c_1, vendor_id_1, errata_id_1,	\
-					IS_ENABLED(CONFIG_k_1),		\
-				   new_c_2, vendor_id_2, errata_id_2,	\
-					IS_ENABLED(CONFIG_k_2))
-
 #endif /* __ASSEMBLY__ */
 
+#define _ALTERNATIVE_CFG(old_c, new_c, vendor_id, errata_id, CONFIG_k)	\
+	__ALTERNATIVE_CFG(old_c, new_c, vendor_id, errata_id, IS_ENABLED(CONFIG_k))
+
+#define _ALTERNATIVE_CFG_2(old_c, new_c_1, vendor_id_1, errata_id_1, CONFIG_k_1,		\
+				  new_c_2, vendor_id_2, errata_id_2, CONFIG_k_2)		\
+	__ALTERNATIVE_CFG_2(old_c, new_c_1, vendor_id_1, errata_id_1, IS_ENABLED(CONFIG_k_1),	\
+				   new_c_2, vendor_id_2, errata_id_2, IS_ENABLED(CONFIG_k_2))
+
 #else /* CONFIG_RISCV_ALTERNATIVE */
 #ifdef __ASSEMBLY__
 
@@ -173,13 +158,9 @@ 
  * on the following sample code and then replace ALTERNATIVE() with
  * ALTERNATIVE_2() to append its customized content.
  */
-#define ALTERNATIVE_2(old_content, new_content_1, vendor_id_1,		\
-					errata_id_1, CONFIG_k_1,	\
-				   new_content_2, vendor_id_2,		\
-					errata_id_2, CONFIG_k_2)	\
-	_ALTERNATIVE_CFG_2(old_content, new_content_1, vendor_id_1,	\
-					    errata_id_1, CONFIG_k_1,	\
-					new_content_2, vendor_id_2,	\
-					    errata_id_2, CONFIG_k_2)
+#define ALTERNATIVE_2(old_content, new_content_1, vendor_id_1, errata_id_1, CONFIG_k_1,		\
+				   new_content_2, vendor_id_2, errata_id_2, CONFIG_k_2)		\
+	_ALTERNATIVE_CFG_2(old_content, new_content_1, vendor_id_1, errata_id_1, CONFIG_k_1,	\
+					new_content_2, vendor_id_2, errata_id_2, CONFIG_k_2)
 
 #endif