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[v3,3/5] efi/arm64: efistub: Move shared dependencies to <asm/efi.h>

Message ID 1404305683-26501-4-git-send-email-ard.biesheuvel@linaro.org
State Accepted
Commit a13b00778e89c405cb224ef0926be6d71682d2a2
Headers show

Commit Message

Ard Biesheuvel July 2, 2014, 12:54 p.m. UTC 
This moves definitions depended upon both by code under arch/arm64/boot
and under drivers/firmware/efi to <asm/efi.h>. This is in preparation of
turning the stub code under drivers/firmware/efi into a static library.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
---
 arch/arm64/include/asm/efi.h | 12 ++++++++++++
 arch/arm64/kernel/efi-stub.c | 11 +----------
 2 files changed, 13 insertions(+), 10 deletions(-)
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Patch

diff --git a/arch/arm64/include/asm/efi.h b/arch/arm64/include/asm/efi.h
index 375ba342dca6..a34fd3b12e2b 100644
--- a/arch/arm64/include/asm/efi.h
+++ b/arch/arm64/include/asm/efi.h
@@ -32,4 +32,16 @@  extern void efi_idmap_init(void);
 	kernel_neon_end();						\
 })
 
+/* arch specific definitions used by the stub code */
+
+/*
+ * AArch64 requires the DTB to be 8-byte aligned in the first 512MiB from
+ * start of kernel and may not cross a 2MiB boundary. We set alignment to
+ * 2MiB so we know it won't cross a 2MiB boundary.
+ */
+#define EFI_FDT_ALIGN	SZ_2M   /* used by allocate_new_fdt_and_exit_boot() */
+#define MAX_FDT_OFFSET	SZ_512M
+
+#define efi_call_early(f, ...) sys_table_arg->boottime->f(__VA_ARGS__)
+
 #endif /* _ASM_EFI_H */
diff --git a/arch/arm64/kernel/efi-stub.c b/arch/arm64/kernel/efi-stub.c
index 7aa7155a9740..23cbde4324b1 100644
--- a/arch/arm64/kernel/efi-stub.c
+++ b/arch/arm64/kernel/efi-stub.c
@@ -10,19 +10,10 @@ 
  *
  */
 #include <linux/efi.h>
+#include <asm/efi.h>
 #include <linux/libfdt.h>
 #include <asm/sections.h>
 
-/*
- * AArch64 requires the DTB to be 8-byte aligned in the first 512MiB from
- * start of kernel and may not cross a 2MiB boundary. We set alignment to
- * 2MiB so we know it won't cross a 2MiB boundary.
- */
-#define EFI_FDT_ALIGN	SZ_2M   /* used by allocate_new_fdt_and_exit_boot() */
-#define MAX_FDT_OFFSET	SZ_512M
-
-#define efi_call_early(f, ...) sys_table_arg->boottime->f(__VA_ARGS__)
-
 static void efi_char16_printk(efi_system_table_t *sys_table_arg,
 			      efi_char16_t *str);