Commit-ID: e98fe5127b9cc8ab33d1094b81c19deb1f9082bf
Gitweb: http://git.kernel.org/tip/e98fe5127b9cc8ab33d1094b81c19deb1f9082bf
Author: Tobin C. Harding <me@xxxxxxxx>
AuthorDate: Mon, 20 Feb 2017 10:12:36 +1100
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Wed, 1 Mar 2017 11:27:26 +0100
x86/purgatory: Fix sparse warning, symbol not declared
Sparse emits warning, 'symbol not declared' for a function that has
neither file scope nor a forward declaration. The functions only call
site is an ASM file.
Add a header file with the function declaration. Include the header file in
the C source file defining the function in order to fix the sparse
warning. Include the header file in ASM file containing the call site to
document the usage.
Signed-off-by: Tobin C. Harding <me@xxxxxxxx>
Link: http://lkml.kernel.org/r/1487545956-2547-3-git-send-email-me@xxxxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
arch/x86/purgatory/purgatory.c | 1 +
arch/x86/purgatory/purgatory.h | 8 ++++++++
arch/x86/purgatory/setup-x86_64.S | 1 +
3 files changed, 10 insertions(+)
diff --git a/arch/x86/purgatory/purgatory.c b/arch/x86/purgatory/purgatory.c
index 2a5f437..b6d5c89 100644
--- a/arch/x86/purgatory/purgatory.c
+++ b/arch/x86/purgatory/purgatory.c
@@ -11,6 +11,7 @@
*/
#include "sha256.h"
+#include "purgatory.h"
#include "../boot/string.h"
struct sha_region {
diff --git a/arch/x86/purgatory/purgatory.h b/arch/x86/purgatory/purgatory.h
new file mode 100644
index 0000000..e2e365a
--- /dev/null
+++ b/arch/x86/purgatory/purgatory.h
@@ -0,0 +1,8 @@
+#ifndef PURGATORY_H
+#define PURGATORY_H
+
+#ifndef __ASSEMBLY__
+extern void purgatory(void);
+#endif /* __ASSEMBLY__ */
+
+#endif /* PURGATORY_H */
diff --git a/arch/x86/purgatory/setup-x86_64.S b/arch/x86/purgatory/setup-x86_64.S
index fe3c91b..f90e9df 100644
--- a/arch/x86/purgatory/setup-x86_64.S
+++ b/arch/x86/purgatory/setup-x86_64.S
@@ -9,6 +9,7 @@
* This source code is licensed under the GNU General Public License,
* Version 2. See the file COPYING for more details.
*/
+#include "purgatory.h"
.text
.globl purgatory_start
--
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