PM / devfreq: Add show_one macro to delete the duplicate code

This patch adds the 'show_one' macro to simplify the duplicate code
of both max_freq_show() and min_freq_show().

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>

diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index ca848cc..49fc7dc 100644 (file)
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -921,12 +921,6 @@ unlock:
        return ret;
 }
 
-static ssize_t min_freq_show(struct device *dev, struct device_attribute *attr,
-                            char *buf)
-{
-       return sprintf(buf, "%lu\n", to_devfreq(dev)->min_freq);
-}
-
 static ssize_t max_freq_store(struct device *dev, struct device_attribute *attr,
                              const char *buf, size_t count)
 {
@@ -953,13 +947,17 @@ unlock:
        mutex_unlock(&df->lock);
        return ret;
 }
-static DEVICE_ATTR_RW(min_freq);
 
-static ssize_t max_freq_show(struct device *dev, struct device_attribute *attr,
-                            char *buf)
-{
-       return sprintf(buf, "%lu\n", to_devfreq(dev)->max_freq);
+#define show_one(name)                                         \
+static ssize_t name##_show                                     \
+(struct device *dev, struct device_attribute *attr, char *buf) \
+{                                                              \
+       return sprintf(buf, "%lu\n", to_devfreq(dev)->name);    \
 }
+show_one(min_freq);
+show_one(max_freq);
+
+static DEVICE_ATTR_RW(min_freq);
 static DEVICE_ATTR_RW(max_freq);
 
 static ssize_t available_frequencies_show(struct device *d,