device: Change dev_<level> logging functions to return void

No caller or macro uses the return value so make all
the functions return void.

Compiled x86 allyesconfig and defconfig w/o CONFIG_PRINTK

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2 files changed, 40 insertions, 49 deletions

diff --git a/drivers/base/core.c b/drivers/base/core.c
index 97e2baf6e5d8..07304a3b9ee2 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -2080,54 +2080,47 @@ int dev_printk_emit(int level, const struct device *dev, const char *fmt, ...)
 }
 EXPORT_SYMBOL(dev_printk_emit);
 
-static int __dev_printk(const char *level, const struct device *dev,
+static void __dev_printk(const char *level, const struct device *dev,
                         struct va_format *vaf)
 {
-        if (!dev)
-                return printk("%s(NULL device *): %pV", level, vaf);
-
-        return dev_printk_emit(level[1] - '0', dev,
-                               "%s %s: %pV",
-                               dev_driver_string(dev), dev_name(dev), vaf);
+        if (dev)
+                dev_printk_emit(level[1] - '0', dev, "%s %s: %pV",
+                                dev_driver_string(dev), dev_name(dev), vaf);
+        else
+                printk("%s(NULL device *): %pV", level, vaf);
 }
 
-int dev_printk(const char *level, const struct device *dev,
-               const char *fmt, ...)
+void dev_printk(const char *level, const struct device *dev,
+                const char *fmt, ...)
 {
         struct va_format vaf;
         va_list args;
-        int r;
 
         va_start(args, fmt);
 
         vaf.fmt = fmt;
         vaf.va = &args;
 
-        r = __dev_printk(level, dev, &vaf);
+        __dev_printk(level, dev, &vaf);
 
         va_end(args);
-
-        return r;
 }
 EXPORT_SYMBOL(dev_printk);
 
 #define define_dev_printk_level(func, kern_level)               \
-int func(const struct device *dev, const char *fmt, ...)        \
+void func(const struct device *dev, const char *fmt, ...)       \
 {                                                               \
         struct va_format vaf;                                   \
         va_list args;                                           \
-        int r;                                                  \
                                                                 \
         va_start(args, fmt);                                    \
                                                                 \
         vaf.fmt = fmt;                                          \
         vaf.va = &args;                                         \
                                                                 \
-        r = __dev_printk(kern_level, dev, &vaf);                \
+        __dev_printk(kern_level, dev, &vaf);                    \
                                                                 \
         va_end(args);                                           \
-                                                                \
-        return r;                                               \
 }                                                               \
 EXPORT_SYMBOL(func);
 
diff --git a/include/linux/device.h b/include/linux/device.h
index 7b2532361398..0eb8ee2dc6d1 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -1038,22 +1038,22 @@ extern __printf(3, 4)
 int dev_printk_emit(int level, const struct device *dev, const char *fmt, ...);
 
 extern __printf(3, 4)
-int dev_printk(const char *level, const struct device *dev,
-               const char *fmt, ...);
+void dev_printk(const char *level, const struct device *dev,
+                const char *fmt, ...);
 extern __printf(2, 3)
-int dev_emerg(const struct device *dev, const char *fmt, ...);
+void dev_emerg(const struct device *dev, const char *fmt, ...);
 extern __printf(2, 3)
-int dev_alert(const struct device *dev, const char *fmt, ...);
+void dev_alert(const struct device *dev, const char *fmt, ...);
 extern __printf(2, 3)
-int dev_crit(const struct device *dev, const char *fmt, ...);
+void dev_crit(const struct device *dev, const char *fmt, ...);
 extern __printf(2, 3)
-int dev_err(const struct device *dev, const char *fmt, ...);
+void dev_err(const struct device *dev, const char *fmt, ...);
 extern __printf(2, 3)
-int dev_warn(const struct device *dev, const char *fmt, ...);
+void dev_warn(const struct device *dev, const char *fmt, ...);
 extern __printf(2, 3)
-int dev_notice(const struct device *dev, const char *fmt, ...);
+void dev_notice(const struct device *dev, const char *fmt, ...);
 extern __printf(2, 3)
-int _dev_info(const struct device *dev, const char *fmt, ...);
+void _dev_info(const struct device *dev, const char *fmt, ...);
 
 #else
 
@@ -1065,35 +1065,35 @@ static inline __printf(3, 4)
 int dev_printk_emit(int level, const struct device *dev, const char *fmt, ...)
 { return 0; }
 
-static inline int __dev_printk(const char *level, const struct device *dev,
-                               struct va_format *vaf)
-{ return 0; }
+static inline void __dev_printk(const char *level, const struct device *dev,
+                                struct va_format *vaf)
+{}
 static inline __printf(3, 4)
-int dev_printk(const char *level, const struct device *dev,
-               const char *fmt, ...)
-{ return 0; }
+void dev_printk(const char *level, const struct device *dev,
+                const char *fmt, ...)
+{}
 
 static inline __printf(2, 3)
-int dev_emerg(const struct device *dev, const char *fmt, ...)
-{ return 0; }
+void dev_emerg(const struct device *dev, const char *fmt, ...)
+{}
 static inline __printf(2, 3)
-int dev_crit(const struct device *dev, const char *fmt, ...)
-{ return 0; }
+void dev_crit(const struct device *dev, const char *fmt, ...)
+{}
 static inline __printf(2, 3)
-int dev_alert(const struct device *dev, const char *fmt, ...)
-{ return 0; }
+void dev_alert(const struct device *dev, const char *fmt, ...)
+{}
 static inline __printf(2, 3)
-int dev_err(const struct device *dev, const char *fmt, ...)
-{ return 0; }
+void dev_err(const struct device *dev, const char *fmt, ...)
+{}
 static inline __printf(2, 3)
-int dev_warn(const struct device *dev, const char *fmt, ...)
-{ return 0; }
+void dev_warn(const struct device *dev, const char *fmt, ...)
+{}
 static inline __printf(2, 3)
-int dev_notice(const struct device *dev, const char *fmt, ...)
-{ return 0; }
+void dev_notice(const struct device *dev, const char *fmt, ...)
+{}
 static inline __printf(2, 3)
-int _dev_info(const struct device *dev, const char *fmt, ...)
-{ return 0; }
+void _dev_info(const struct device *dev, const char *fmt, ...)
+{}
 
 #endif
 
@@ -1119,7 +1119,6 @@ do {						     \
 ({                                                              \
         if (0)                                                  \
                 dev_printk(KERN_DEBUG, dev, format, ##arg);     \
-        0;                                                      \
 })
 #endif
 
@@ -1215,7 +1214,6 @@ do {									\
 ({                                                              \
         if (0)                                                  \
                 dev_printk(KERN_DEBUG, dev, format, ##arg);     \
-        0;                                                      \
 })
 #endif