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Date:   Wed, 22 Jul 2020 22:48:40 -0000
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Subject: [tip: efi/urgent] efi/libstub: Move the function prototypes to header file
Cc:     Atish Patra <atish.patra@wdc.com>,
        Ard Biesheuvel <ardb@kernel.org>, x86 <x86@kernel.org>,
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The following commit has been merged into the efi/urgent branch of tip:

Commit-ID:     3230d95cea0515a6acf3f5ff360663de4c40fd07
Gitweb:        https://git.kernel.org/tip/3230d95cea0515a6acf3f5ff360663de4c40fd07
Author:        Atish Patra <atish.patra@wdc.com>
AuthorDate:    Mon, 06 Jul 2020 10:25:59 -07:00
Committer:     Ard Biesheuvel <ardb@kernel.org>
CommitterDate: Thu, 09 Jul 2020 09:45:09 +03:00

efi/libstub: Move the function prototypes to header file

The prototype of the functions handle_kernel_image & efi_enter_kernel
are defined in efi-stub.c which may result in a compiler warnings if
-Wmissing-prototypes is set in gcc compiler.

Move the prototype to efistub.h to make the compiler happy.

Signed-off-by: Atish Patra <atish.patra@wdc.com>
Link: https://lore.kernel.org/r/20200706172609.25965-2-atish.patra@wdc.com
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
---
 drivers/firmware/efi/libstub/efi-stub.c | 17 -----------------
 drivers/firmware/efi/libstub/efistub.h  | 16 ++++++++++++++++
 2 files changed, 16 insertions(+), 17 deletions(-)

diff --git a/drivers/firmware/efi/libstub/efi-stub.c b/drivers/firmware/efi/libstub/efi-stub.c
index 3318ec3..a5a405d 100644
--- a/drivers/firmware/efi/libstub/efi-stub.c
+++ b/drivers/firmware/efi/libstub/efi-stub.c
@@ -122,23 +122,6 @@ static unsigned long get_dram_base(void)
 }
 
 /*
- * This function handles the architcture specific differences between arm and
- * arm64 regarding where the kernel image must be loaded and any memory that
- * must be reserved. On failure it is required to free all
- * all allocations it has made.
- */
-efi_status_t handle_kernel_image(unsigned long *image_addr,
-				 unsigned long *image_size,
-				 unsigned long *reserve_addr,
-				 unsigned long *reserve_size,
-				 unsigned long dram_base,
-				 efi_loaded_image_t *image);
-
-asmlinkage void __noreturn efi_enter_kernel(unsigned long entrypoint,
-					    unsigned long fdt_addr,
-					    unsigned long fdt_size);
-
-/*
  * EFI entry point for the arm/arm64 EFI stubs.  This is the entrypoint
  * that is described in the PE/COFF header.  Most of the code is the same
  * for both archictectures, with the arch-specific code provided in the
diff --git a/drivers/firmware/efi/libstub/efistub.h b/drivers/firmware/efi/libstub/efistub.h
index 2c9d422..85050f5 100644
--- a/drivers/firmware/efi/libstub/efistub.h
+++ b/drivers/firmware/efi/libstub/efistub.h
@@ -776,6 +776,22 @@ efi_status_t efi_load_initrd(efi_loaded_image_t *image,
 			     unsigned long *load_size,
 			     unsigned long soft_limit,
 			     unsigned long hard_limit);
+/*
+ * This function handles the architcture specific differences between arm and
+ * arm64 regarding where the kernel image must be loaded and any memory that
+ * must be reserved. On failure it is required to free all
+ * all allocations it has made.
+ */
+efi_status_t handle_kernel_image(unsigned long *image_addr,
+				 unsigned long *image_size,
+				 unsigned long *reserve_addr,
+				 unsigned long *reserve_size,
+				 unsigned long dram_base,
+				 efi_loaded_image_t *image);
+
+asmlinkage void __noreturn efi_enter_kernel(unsigned long entrypoint,
+					    unsigned long fdt_addr,
+					    unsigned long fdt_size);
 
 void efi_handle_post_ebs_state(void);