linux-imx: patches to file build errors with GCC6

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>

4 files changed, 432 insertions, 0 deletions

diff --git a/recipes-kernel/linux/linux-imx-4.1.15/imx/bcmhd_gcc6_indent_warning_error_fix.patch b/recipes-kernel/linux/linux-imx-4.1.15/imx/bcmhd_gcc6_indent_warning_error_fix.patch
new file mode 100644
index 00000000..4946930f
--- /dev/null
+++ b/recipes-kernel/linux/linux-imx-4.1.15/imx/bcmhd_gcc6_indent_warning_error_fix.patch
@@ -0,0 +1,28 @@
+From 86e5baf037a03464e56ee1edcebb598c43ffb1f6 Mon Sep 17 00:00:00 2001
+From: Lauren Post <lauren.post@nxp.com>
+Date: Wed, 13 Jul 2016 01:37:31 -0500
+Subject: [PATCH] bcmdhd: dhd_sdio: Fix indent for gcc 6.0 error
+
+Upstream-Status: Pending
+
+Signed-off-by: Lauren Post <lauren.post@nxp.com>
+---
+ drivers/net/wireless/bcmdhd/dhd_sdio.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/drivers/net/wireless/bcmdhd/dhd_sdio.c b/drivers/net/wireless/bcmdhd/dhd_sdio.c
+index 8cb8796..09e1f32 100644
+--- a/drivers/net/wireless/bcmdhd/dhd_sdio.c
++++ b/drivers/net/wireless/bcmdhd/dhd_sdio.c
+@@ -8046,7 +8046,7 @@ dhd_bus_devreset(dhd_pub_t *dhdp, uint8 flag)
+                        } else
+                                bcmerror = BCME_SDIO_ERROR;
+ 
+-                               dhd_os_sdunlock(dhdp);
++                       dhd_os_sdunlock(dhdp);
+                } else {
+                        bcmerror = BCME_SDIO_ERROR;
+                        DHD_INFO(("%s called when dongle is not in reset\n",
+-- 
+1.9.1
+
diff --git a/recipes-kernel/linux/linux-imx-4.1.15/imx/gcc6_integrate_fix.patch b/recipes-kernel/linux/linux-imx-4.1.15/imx/gcc6_integrate_fix.patch
new file mode 100644
index 00000000..98f21e2c
--- /dev/null
+++ b/recipes-kernel/linux/linux-imx-4.1.15/imx/gcc6_integrate_fix.patch
@@ -0,0 +1,369 @@
+From e9809ecf104f0c584c9c00917037a864e9f2ffba Mon Sep 17 00:00:00 2001
+From: Joe Perches <joe@perches.com>
+Date: Thu, 25 Jun 2015 15:01:02 -0700
+Subject: [PATCH] compiler-gcc: integrate the various compiler-gcc[345].h files
+
+[ Upstream commit cb984d101b30eb7478d32df56a0023e4603cba7f ]
+
+As gcc major version numbers are going to advance rather rapidly in the
+future, there's no real value in separate files for each compiler
+version.
+
+Deduplicate some of the macros #defined in each file too.
+
+Neaten comments using normal kernel commenting style.
+
+Signed-off-by: Joe Perches <joe@perches.com>
+Cc: Andi Kleen <andi@firstfloor.org>
+Cc: Michal Marek <mmarek@suse.cz>
+Cc: Segher Boessenkool <segher@kernel.crashing.org>
+Cc: Sasha Levin <levinsasha928@gmail.com>
+Cc: Anton Blanchard <anton@samba.org>
+Cc: Alan Modra <amodra@gmail.com>
+Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
+Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
+Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
+(cherry picked from commit f320793e52aee78f0fbb8bcaf10e6614d2e67bfc)
+---
+ include/linux/compiler-gcc.h  | 120 ++++++++++++++++++++++++++++++++++++++++--
+ include/linux/compiler-gcc3.h |  23 --------
+ include/linux/compiler-gcc4.h |  91 --------------------------------
+ include/linux/compiler-gcc5.h |  67 -----------------------
+ 4 files changed, 116 insertions(+), 185 deletions(-)
+ delete mode 100644 include/linux/compiler-gcc3.h
+ delete mode 100644 include/linux/compiler-gcc4.h
+ delete mode 100644 include/linux/compiler-gcc5.h
+
+diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
+index 371e560..484ef6e 100644
+--- a/include/linux/compiler-gcc.h
++++ b/include/linux/compiler-gcc.h
+@@ -115,10 +115,122 @@
+ #define __maybe_unused                 __attribute__((unused))
+ #define __always_unused                        __attribute__((unused))
+ 
+-#define __gcc_header(x) #x
+-#define _gcc_header(x) __gcc_header(linux/compiler-gcc##x.h)
+-#define gcc_header(x) _gcc_header(x)
+-#include gcc_header(__GNUC__)
++/* gcc version specific checks */
++
++#if GCC_VERSION < 30200
++# error Sorry, your compiler is too old - please upgrade it.
++#endif
++
++#if GCC_VERSION < 30300
++# define __used                        __attribute__((__unused__))
++#else
++# define __used                        __attribute__((__used__))
++#endif
++
++#ifdef CONFIG_GCOV_KERNEL
++# if GCC_VERSION < 30400
++#   error "GCOV profiling support for gcc versions below 3.4 not included"
++# endif /* __GNUC_MINOR__ */
++#endif /* CONFIG_GCOV_KERNEL */
++
++#if GCC_VERSION >= 30400
++#define __must_check           __attribute__((warn_unused_result))
++#endif
++
++#if GCC_VERSION >= 40000
++
++/* GCC 4.1.[01] miscompiles __weak */
++#ifdef __KERNEL__
++# if GCC_VERSION >= 40100 &&  GCC_VERSION <= 40101
++#  error Your version of gcc miscompiles the __weak directive
++# endif
++#endif
++
++#define __used                 __attribute__((__used__))
++#define __compiler_offsetof(a, b)                                      \
++       __builtin_offsetof(a, b)
++
++#if GCC_VERSION >= 40100 && GCC_VERSION < 40600
++# define __compiletime_object_size(obj) __builtin_object_size(obj, 0)
++#endif
++
++#if GCC_VERSION >= 40300
++/* 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__ */
++#endif /* GCC_VERSION >= 40300 */
++
++#if GCC_VERSION >= 40500
++/*
++ * 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__))
++
++#endif /* GCC_VERSION >= 40500 */
++
++#if GCC_VERSION >= 40600
++/*
++ * Tell the optimizer that something else uses this function or variable.
++ */
++#define __visible      __attribute__((externally_visible))
++#endif
++
++/*
++ * 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
++#if GCC_VERSION >= 40400
++#define __HAVE_BUILTIN_BSWAP32__
++#define __HAVE_BUILTIN_BSWAP64__
++#endif
++#if GCC_VERSION >= 40800 || (defined(__powerpc__) && GCC_VERSION >= 40600)
++#define __HAVE_BUILTIN_BSWAP16__
++#endif
++#endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */
++
++#if GCC_VERSION >= 50000
++#define KASAN_ABI_VERSION 4
++#elif GCC_VERSION >= 40902
++#define KASAN_ABI_VERSION 3
++#endif
++
++#endif /* gcc version >= 40000 specific checks */
+ 
+ #if !defined(__noclone)
+ #define __noclone      /* not needed */
+diff --git a/include/linux/compiler-gcc3.h b/include/linux/compiler-gcc3.h
+deleted file mode 100644
+index 7d89feb..0000000
+--- a/include/linux/compiler-gcc3.h
++++ /dev/null
+@@ -1,23 +0,0 @@
+-#ifndef __LINUX_COMPILER_H
+-#error "Please don't include <linux/compiler-gcc3.h> directly, include <linux/compiler.h> instead."
+-#endif
+-
+-#if GCC_VERSION < 30200
+-# error Sorry, your compiler is too old - please upgrade it.
+-#endif
+-
+-#if GCC_VERSION >= 30300
+-# define __used                        __attribute__((__used__))
+-#else
+-# define __used                        __attribute__((__unused__))
+-#endif
+-
+-#if GCC_VERSION >= 30400
+-#define __must_check           __attribute__((warn_unused_result))
+-#endif
+-
+-#ifdef CONFIG_GCOV_KERNEL
+-# if GCC_VERSION < 30400
+-#   error "GCOV profiling support for gcc versions below 3.4 not included"
+-# endif /* __GNUC_MINOR__ */
+-#endif /* CONFIG_GCOV_KERNEL */
+diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h
+deleted file mode 100644
+index 769e198..0000000
+--- a/include/linux/compiler-gcc4.h
++++ /dev/null
+@@ -1,91 +0,0 @@
+-#ifndef __LINUX_COMPILER_H
+-#error "Please don't include <linux/compiler-gcc4.h> directly, include <linux/compiler.h> instead."
+-#endif
+-
+-/* GCC 4.1.[01] miscompiles __weak */
+-#ifdef __KERNEL__
+-# if GCC_VERSION >= 40100 &&  GCC_VERSION <= 40101
+-#  error Your version of gcc miscompiles the __weak directive
+-# endif
+-#endif
+-
+-#define __used                 __attribute__((__used__))
+-#define __must_check           __attribute__((warn_unused_result))
+-#define __compiler_offsetof(a,b) __builtin_offsetof(a,b)
+-
+-#if GCC_VERSION >= 40100 && GCC_VERSION < 40600
+-# define __compiletime_object_size(obj) __builtin_object_size(obj, 0)
+-#endif
+-
+-#if GCC_VERSION >= 40300
+-/* 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__ */
+-#endif /* GCC_VERSION >= 40300 */
+-
+-#if GCC_VERSION >= 40500
+-/*
+- * 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__))
+-
+-#endif /* GCC_VERSION >= 40500 */
+-
+-#if GCC_VERSION >= 40600
+-/*
+- * Tell the optimizer that something else uses this function or variable.
+- */
+-#define __visible __attribute__((externally_visible))
+-#endif
+-
+-/*
+- * 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
+-#if GCC_VERSION >= 40400
+-#define __HAVE_BUILTIN_BSWAP32__
+-#define __HAVE_BUILTIN_BSWAP64__
+-#endif
+-#if GCC_VERSION >= 40800 || (defined(__powerpc__) && GCC_VERSION >= 40600)
+-#define __HAVE_BUILTIN_BSWAP16__
+-#endif
+-#endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */
+-
+-#if GCC_VERSION >= 40902
+-#define KASAN_ABI_VERSION 3
+-#endif
+diff --git a/include/linux/compiler-gcc5.h b/include/linux/compiler-gcc5.h
+deleted file mode 100644
+index efee493..0000000
+--- a/include/linux/compiler-gcc5.h
++++ /dev/null
+@@ -1,67 +0,0 @@
+-#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
+-- 
+1.9.1
+
diff --git a/recipes-kernel/linux/linux-imx-4.1.15/imx/gpu-viv_gcc6_indent_warning_error_fix.patch b/recipes-kernel/linux/linux-imx-4.1.15/imx/gpu-viv_gcc6_indent_warning_error_fix.patch
new file mode 100644
index 00000000..b48606c1
--- /dev/null
+++ b/recipes-kernel/linux/linux-imx-4.1.15/imx/gpu-viv_gcc6_indent_warning_error_fix.patch
@@ -0,0 +1,30 @@
+From 8d0142efbfcfe4e3998f748496ceba62890c47f0 Mon Sep 17 00:00:00 2001
+From: Lauren Post <lauren.post@nxp.com>
+Date: Wed, 13 Jul 2016 03:07:23 -0500
+Subject: [PATCH] gpu-viv:  Fix gcc 6.0 indent warning error in gc_hal_kernel_platform_imx6ql4.c
+
+Upstream-Status: Pending
+
+Signed-off-by: Lauren Post <lauren.post@nxp.com>
+---
+ .../linux/kernel/platform/freescale/gc_hal_kernel_platform_imx6q14.c  | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/drivers/mxc/gpu-viv/hal/os/linux/kernel/platform/freescale/gc_hal_kernel_platform_imx6q14.c b/drivers/mxc/gpu-viv/hal/os/linux/kernel/platform/freescale/gc_hal_kernel_platform_imx6q14.c
+index e436ada..d98c2f8 100644
+--- a/drivers/mxc/gpu-viv/hal/os/linux/kernel/platform/freescale/gc_hal_kernel_platform_imx6q14.c
++++ b/drivers/mxc/gpu-viv/hal/os/linux/kernel/platform/freescale/gc_hal_kernel_platform_imx6q14.c
+@@ -475,8 +475,8 @@ gckPLATFORM_AdjustParam(
+ 
+     Args->gpu3DMinClock = initgpu3DMinClock;
+ 
+-  if(Args->physSize == 0)
+-    Args->physSize = 0x80000000;
++    if(Args->physSize == 0)
++        Args->physSize = 0x80000000;
+ 
+     return gcvSTATUS_OK;
+ }
+-- 
+1.9.1
+
diff --git a/recipes-kernel/linux/linux-imx_4.1.15.bb b/recipes-kernel/linux/linux-imx_4.1.15.bb
index 63dfcd0a..8fce40bf 100644
--- a/recipes-kernel/linux/linux-imx_4.1.15.bb
+++ b/recipes-kernel/linux/linux-imx_4.1.15.bb
@@ -14,6 +14,11 @@ SRCBRANCH = "imx_4.1.15_1.0.0_ga"
 LOCALVERSION = "-1.2.0"
 SRCREV = "77f61547834c4f127b44b13e43c59133a35880dc"
 
+# Add patches for gcc 6 compiler issue
+SRC_URI += "file://gcc6_integrate_fix.patch \
+            file://bcmhd_gcc6_indent_warning_error_fix.patch \
+            file://gpu-viv_gcc6_indent_warning_error_fix.patch"
+
 DEFAULT_PREFERENCE = "1"
 
 COMPATIBLE_MACHINE = "(mx6|mx6ul|mx7)"