Squashed 'import-layers/meta-raspberrypi/' content from commit 2745399

Change-Id: I8a89d81813dea98209d089ef500a403ea4da5d9d
git-subtree-dir: import-layers/meta-raspberrypi
git-subtree-split: 2745399f75d7564fcc586d0365ff73be47849d0e
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/import-layers/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi-4.1/0003-fix-gcc6.patch b/import-layers/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi-4.1/0003-fix-gcc6.patch
new file mode 100644
index 0000000..61ec2fb
--- /dev/null
+++ b/import-layers/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi-4.1/0003-fix-gcc6.patch
@@ -0,0 +1,78 @@
+Fix compile with GCC6
+
+Upstream-status: Denied [https://github.com/raspberrypi/linux/pull/1528]
+
+Signed-off-by: Andrei Gherzan <andrei@gherzan.ro>
+
+Index: source/include/linux/compiler-gcc6.h
+===================================================================
+--- /dev/null
++++ source/include/linux/compiler-gcc6.h
+@@ -0,0 +1,67 @@
++#ifndef __LINUX_COMPILER_H
++#error "Please don't include <linux/compiler-gcc5.h> directly, include <linux/compiler.h> instead."
++#endif
++
++#define __used				__attribute__((__used__))
++#define __must_check			__attribute__((warn_unused_result))
++#define __compiler_offsetof(a, b)	__builtin_offsetof(a, b)
++
++/* Mark functions as cold. gcc will assume any path leading to a call
++   to them will be unlikely.  This means a lot of manual unlikely()s
++   are unnecessary now for any paths leading to the usual suspects
++   like BUG(), printk(), panic() etc. [but let's keep them for now for
++   older compilers]
++
++   Early snapshots of gcc 4.3 don't support this and we can't detect this
++   in the preprocessor, but we can live with this because they're unreleased.
++   Maketime probing would be overkill here.
++
++   gcc also has a __attribute__((__hot__)) to move hot functions into
++   a special section, but I don't see any sense in this right now in
++   the kernel context */
++#define __cold			__attribute__((__cold__))
++
++#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
++
++#ifndef __CHECKER__
++# define __compiletime_warning(message) __attribute__((warning(message)))
++# define __compiletime_error(message) __attribute__((error(message)))
++#endif /* __CHECKER__ */
++
++/*
++ * Mark a position in code as unreachable.  This can be used to
++ * suppress control flow warnings after asm blocks that transfer
++ * control elsewhere.
++ *
++ * Early snapshots of gcc 4.5 don't support this and we can't detect
++ * this in the preprocessor, but we can live with this because they're
++ * unreleased.  Really, we need to have autoconf for the kernel.
++ */
++#define unreachable() __builtin_unreachable()
++
++/* Mark a function definition as prohibited from being cloned. */
++#define __noclone	__attribute__((__noclone__))
++
++/*
++ * Tell the optimizer that something else uses this function or variable.
++ */
++#define __visible __attribute__((externally_visible))
++
++/*
++ * GCC 'asm goto' miscompiles certain code sequences:
++ *
++ *   http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670
++ *
++ * Work it around via a compiler barrier quirk suggested by Jakub Jelinek.
++ *
++ * (asm goto is automatically volatile - the naming reflects this.)
++ */
++#define asm_volatile_goto(x...)	do { asm goto(x); asm (""); } while (0)
++
++#ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP
++#define __HAVE_BUILTIN_BSWAP32__
++#define __HAVE_BUILTIN_BSWAP64__
++#define __HAVE_BUILTIN_BSWAP16__
++#endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */
++
++#define KASAN_ABI_VERSION 4