xtensa: merge stack alignment definitions

xtensa currently has two different definitions for stack alignment.
Replace it with single definition usable in both C and assembly.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>

diff --git a/arch/xtensa/include/asm/asmmacro.h b/arch/xtensa/include/asm/asmmacro.h
index 3190157..e3474ca 100644 (file)
--- a/arch/xtensa/include/asm/asmmacro.h
+++ b/arch/xtensa/include/asm/asmmacro.h
@@ -225,8 +225,6 @@
 #endif
        .endm
 
-#define XTENSA_STACK_ALIGNMENT         16
-
 #if defined(__XTENSA_WINDOWED_ABI__)
 
 /* Assembly instructions for windowed kernel ABI. */

diff --git a/arch/xtensa/include/asm/core.h b/arch/xtensa/include/asm/core.h
index 9138077..f856d2b 100644 (file)
--- a/arch/xtensa/include/asm/core.h
+++ b/arch/xtensa/include/asm/core.h
@@ -37,4 +37,11 @@
 #endif
 #endif
 
+/* Xtensa ABI requires stack alignment to be at least 16 */
+#if XCHAL_DATA_WIDTH > 16
+#define XTENSA_STACK_ALIGNMENT XCHAL_DATA_WIDTH
+#else
+#define XTENSA_STACK_ALIGNMENT 16
+#endif
+
 #endif

diff --git a/arch/xtensa/include/asm/processor.h b/arch/xtensa/include/asm/processor.h
index 37d3e98..ba62bbc 100644 (file)
--- a/arch/xtensa/include/asm/processor.h
+++ b/arch/xtensa/include/asm/processor.h
@@ -18,11 +18,7 @@
 #include <asm/types.h>
 #include <asm/regs.h>
 
-/* Xtensa ABI requires stack alignment to be at least 16 */
-
-#define STACK_ALIGN (XCHAL_DATA_WIDTH > 16 ? XCHAL_DATA_WIDTH : 16)
-
-#define ARCH_SLAB_MINALIGN STACK_ALIGN
+#define ARCH_SLAB_MINALIGN XTENSA_STACK_ALIGNMENT
 
 /*
  * User space process size: 1 GB.