post/i2c: General clean up

- Clean up ifdeffery
- Update coding style

No functional change should have occurred.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Acked-by: Heiko Schocher <hs@denx.de>
Acked-by: Wolfgang Denk <wd@denx.de>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

diff --git a/post/drivers/i2c.c b/post/drivers/i2c.c
index b152dea..84a6035 100644 (file)
--- a/post/drivers/i2c.c
+++ b/post/drivers/i2c.c
@@ -21,8 +21,6 @@
  * MA 02111-1307 USA
  */
 
-#include <common.h>
-
 /*
  * I2C test
  *
@@ -36,6 +34,7 @@
  * #endif
  */
 
+#include <common.h>
 #include <post.h>
 #include <i2c.h>
 
@@ -44,42 +43,41 @@
 int i2c_post_test (int flags)
 {
        unsigned int i;
+#ifndef I2C_ADDR_LIST
+       for (i = 0; i < 128; i++)
+               if (i2c_probe (i) == 0)
+                       return 0;
+
+       /* No devices found */
+       return -1;
+#else
        unsigned int good = 0;
-#ifdef I2C_ADDR_LIST
        unsigned int bad  = 0;
        int j;
        unsigned char i2c_addr_list[] = I2C_ADDR_LIST;
        unsigned char i2c_miss_list[] = I2C_ADDR_LIST;
-#endif
 
        for (i = 0; i < 128; i++) {
-               if (i2c_probe (i) == 0) {
-#ifndef        I2C_ADDR_LIST
-                       good++;
-#else  /* I2C_ADDR_LIST */
-                       for (j=0; j<sizeof(i2c_addr_list); ++j) {
-                               if (i == i2c_addr_list[j]) {
-                                       good++;
-                                       i2c_miss_list[j] = 0xFF;
-                                       break;
-                               }
-                       }
-                       if (j == sizeof(i2c_addr_list)) {
-                               bad++;
-                               post_log ("I2C: addr %02X not expected\n",
-                                               i);
+               if (i2c_probe(i) != 0)
+                       continue;
+               for (j = 0; j < sizeof(i2c_addr_list); ++j) {
+                       if (i == i2c_addr_list[j]) {
+                               good++;
+                               i2c_miss_list[j] = 0xFF;
+                               break;
                        }
-#endif /* I2C_ADDR_LIST */
+               }
+
+               if (j == sizeof(i2c_addr_list)) {
+                       bad++;
+                       post_log("I2C: addr %02X not expected\n", i);
                }
        }
 
-#ifndef        I2C_ADDR_LIST
-       return good > 0 ? 0 : -1;
-#else  /* I2C_ADDR_LIST */
        if (good != sizeof(i2c_addr_list)) {
-               for (j=0; j<sizeof(i2c_miss_list); ++j) {
+               for (j = 0; j < sizeof(i2c_miss_list); ++j) {
                        if (i2c_miss_list[j] != 0xFF) {
-                               post_log ("I2C: addr %02X did not respond\n",
+                               post_log("I2C: addr %02X did not respond\n",
                                                i2c_miss_list[j]);
                        }
                }