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authorMasahiro Yamada <yamada.masahiro@socionext.com>2017-09-16 05:10:45 (GMT)
committerTom Rini <trini@konsulko.com>2017-10-04 16:00:20 (GMT)
commit0a70fb4c1c180d6ad6cd4c1dcd3fae8c5d4dd62e (patch)
treeb6f0c93e64ad4534e982ad28eaa599fa92f38e33
parent059a48096c883e98bc1a4a561abc0069f44cbfea (diff)
downloadu-boot-0a70fb4c1c180d6ad6cd4c1dcd3fae8c5d4dd62e.tar.xz
bug.h: move runtime BUG/WARN macros into <linux/bug.h>
Collect runtime BUG/WARN into a self-contained header <linux/bug.h> to make these macros easier to use. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
-rw-r--r--drivers/usb/dwc3/linux-compat.h1
-rw-r--r--include/common.h9
-rw-r--r--include/linux/bug.h28
-rw-r--r--include/linux/compat.h15
4 files changed, 29 insertions, 24 deletions
diff --git a/drivers/usb/dwc3/linux-compat.h b/drivers/usb/dwc3/linux-compat.h
index 64db4ec..5cbe377 100644
--- a/drivers/usb/dwc3/linux-compat.h
+++ b/drivers/usb/dwc3/linux-compat.h
@@ -14,7 +14,6 @@
#define WARN(val, format, arg...) debug(format, ##arg)
#define dev_WARN(dev, format, arg...) debug(format, ##arg)
-#define WARN_ON_ONCE(val) debug("Error %d\n", val)
static inline size_t strlcat(char *dest, const char *src, size_t n)
{
diff --git a/include/common.h b/include/common.h
index 7ea78bd..1896335 100644
--- a/include/common.h
+++ b/include/common.h
@@ -23,6 +23,7 @@ typedef volatile unsigned char vu_char;
#include <time.h>
#include <asm-offsets.h>
#include <linux/bitops.h>
+#include <linux/bug.h>
#include <linux/delay.h>
#include <linux/types.h>
#include <linux/printk.h>
@@ -90,14 +91,6 @@ void __assert_fail(const char *assertion, const char *file, unsigned line,
({ if (!(x) && _DEBUG) \
__assert_fail(#x, __FILE__, __LINE__, __func__); })
-#ifndef BUG
-#define BUG() do { \
- printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \
- panic("BUG!"); \
-} while (0)
-#define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0)
-#endif /* BUG */
-
typedef void (interrupt_handler_t)(void *);
#include <asm/u-boot.h> /* boot information for Linux kernel */
diff --git a/include/linux/bug.h b/include/linux/bug.h
index 133544c..f07bb71 100644
--- a/include/linux/bug.h
+++ b/include/linux/bug.h
@@ -1,6 +1,34 @@
#ifndef _LINUX_BUG_H
#define _LINUX_BUG_H
+#include <vsprintf.h> /* for panic() */
#include <linux/build_bug.h>
+#include <linux/compiler.h>
+#include <linux/printk.h>
+
+#define BUG() do { \
+ printk("BUG at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); \
+ panic("BUG!"); \
+} while (0)
+
+#define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0)
+
+#define WARN_ON(condition) ({ \
+ int __ret_warn_on = !!(condition); \
+ if (unlikely(__ret_warn_on)) \
+ printk("WARNING at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); \
+ unlikely(__ret_warn_on); \
+})
+
+#define WARN_ON_ONCE(condition) ({ \
+ static bool __warned; \
+ int __ret_warn_once = !!(condition); \
+ \
+ if (unlikely(__ret_warn_once && !__warned)) { \
+ __warned = true; \
+ WARN_ON(1); \
+ } \
+ unlikely(__ret_warn_once); \
+})
#endif /* _LINUX_BUG_H */
diff --git a/include/linux/compat.h b/include/linux/compat.h
index bc027ad..1b3f089 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -87,21 +87,6 @@ static inline void kmem_cache_destroy(struct kmem_cache *cachep)
#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
-#ifndef BUG
-#define BUG() do { \
- printf("U-Boot BUG at %s:%d!\n", __FILE__, __LINE__); \
-} while (0)
-
-#define BUG_ON(condition) do { if (condition) BUG(); } while(0)
-#endif /* BUG */
-
-#define WARN_ON(condition) ({ \
- int __ret_warn_on = !!(condition); \
- if (unlikely(__ret_warn_on)) \
- printf("WARNING in %s line %d\n", __FILE__, __LINE__); \
- unlikely(__ret_warn_on); \
-})
-
#define PAGE_SIZE 4096
/* drivers/char/random.c */