eeprom: at24: move at24_read() below at24_eeprom_write()

In preparation for splitting at24_eeprom_write() & at24_eeprom_read()
into smaller, specialized routines move at24_read() below, so that it
won't be intertwined with the low-level EEPROM accessors.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c
index 411600d..e12d76f 100644 (file)
--- a/drivers/misc/eeprom/at24.c
+++ b/drivers/misc/eeprom/at24.c
@@ -249,38 +249,6 @@ static ssize_t at24_eeprom_read(struct at24_data *at24, char *buf,
        return -ETIMEDOUT;
 }
 
-static int at24_read(void *priv, unsigned int off, void *val, size_t count)
-{
-       struct at24_data *at24 = priv;
-       char *buf = val;
-
-       if (unlikely(!count))
-               return count;
-
-       /*
-        * Read data from chip, protecting against concurrent updates
-        * from this host, but not from other I2C masters.
-        */
-       mutex_lock(&at24->lock);
-
-       while (count) {
-               int     status;
-
-               status = at24_eeprom_read(at24, buf, off, count);
-               if (status < 0) {
-                       mutex_unlock(&at24->lock);
-                       return status;
-               }
-               buf += status;
-               off += status;
-               count -= status;
-       }
-
-       mutex_unlock(&at24->lock);
-
-       return 0;
-}
-
 /*
  * Note that if the hardware write-protect pin is pulled high, the whole
  * chip is normally write protected. But there are plenty of product
@@ -366,6 +334,38 @@ static ssize_t at24_eeprom_write(struct at24_data *at24, const char *buf,
        return -ETIMEDOUT;
 }
 
+static int at24_read(void *priv, unsigned int off, void *val, size_t count)
+{
+       struct at24_data *at24 = priv;
+       char *buf = val;
+
+       if (unlikely(!count))
+               return count;
+
+       /*
+        * Read data from chip, protecting against concurrent updates
+        * from this host, but not from other I2C masters.
+        */
+       mutex_lock(&at24->lock);
+
+       while (count) {
+               int     status;
+
+               status = at24_eeprom_read(at24, buf, off, count);
+               if (status < 0) {
+                       mutex_unlock(&at24->lock);
+                       return status;
+               }
+               buf += status;
+               off += status;
+               count -= status;
+       }
+
+       mutex_unlock(&at24->lock);
+
+       return 0;
+}
+
 static int at24_write(void *priv, unsigned int off, void *val, size_t count)
 {
        struct at24_data *at24 = priv;