common: Replace #ifdef and #if with if's

Avoid using preprocessor compilation directives and instead use simple
logical expressions for better readability since compiler will anyway
optimize out the respective code block if condition is not satisfied.

Signed-off-by: Nikhil M Jain <n-jain1@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Devarsh Thakkar <devarsht@ti.com>

diff --git a/common/bmp.c b/common/bmp.c
index ad91351..57764f3 100644 (file)
--- a/common/bmp.c
+++ b/common/bmp.c
@@ -31,9 +31,9 @@
  * by the caller after use.
  *
  * Returns NULL if decompression failed, or if the decompressed data
- * didn't contain a valid BMP signature.
+ * didn't contain a valid BMP signature or decompression is not enabled in
+ * Kconfig.
  */
-#if CONFIG_IS_ENABLED(VIDEO_BMP_GZIP)
 struct bmp_image *gunzip_bmp(unsigned long addr, unsigned long *lenp,
                             void **alloc_addr)
 {
@@ -41,6 +41,9 @@ struct bmp_image *gunzip_bmp(unsigned long addr, unsigned long *lenp,
        unsigned long len;
        struct bmp_image *bmp;
 
+       if (!CONFIG_IS_ENABLED(VIDEO_BMP_GZIP))
+               return NULL;
+
        /*
         * Decompress bmp image
         */
@@ -77,13 +80,6 @@ struct bmp_image *gunzip_bmp(unsigned long addr, unsigned long *lenp,
        *alloc_addr = dst;
        return bmp;
 }
-#else
-struct bmp_image *gunzip_bmp(unsigned long addr, unsigned long *lenp,
-                            void **alloc_addr)
-{
-       return NULL;
-}
-#endif
 
 #ifdef CONFIG_NEEDS_MANUAL_RELOC
 void bmp_reloc(void)

diff --git a/common/splash.c b/common/splash.c
index a4e68b7..6820db6 100644 (file)
--- a/common/splash.c
+++ b/common/splash.c
@@ -96,12 +96,11 @@ __weak int splash_screen_prepare(void)
        return splash_video_logo_load();
 }
 
-#if CONFIG_IS_ENABLED(SPLASH_SCREEN_ALIGN)
 void splash_get_pos(int *x, int *y)
 {
        char *s = env_get("splashpos");
 
-       if (!s)
+       if (!CONFIG_IS_ENABLED(SPLASH_SCREEN_ALIGN) || !s)
                return;
 
        if (s[0] == 'm')
@@ -117,7 +116,6 @@ void splash_get_pos(int *x, int *y)
                        *y = simple_strtol(s + 1, NULL, 0);
        }
 }
-#endif /* CONFIG_SPLASH_SCREEN_ALIGN */
 
 #if CONFIG_IS_ENABLED(VIDEO) && !CONFIG_IS_ENABLED(HIDE_LOGO_VERSION)
 
@@ -159,13 +157,13 @@ void splash_display_banner(void)
  * Common function to show a splash image if env("splashimage") is set.
  * For additional details please refer to doc/README.splashprepare.
  */
-#if CONFIG_IS_ENABLED(SPLASH_SCREEN) && CONFIG_IS_ENABLED(BMP)
 int splash_display(void)
 {
        ulong addr;
        char *s;
        int x = 0, y = 0, ret;
-
+       if (!CONFIG_IS_ENABLED(SPLASH_SCREEN))
+               return -ENOSYS;
        s = env_get("splashimage");
        if (!s)
                return -EINVAL;
@@ -177,7 +175,10 @@ int splash_display(void)
 
        splash_get_pos(&x, &y);
 
-       ret = bmp_display(addr, x, y);
+       if (CONFIG_IS_ENABLED(BMP))
+               ret = bmp_display(addr, x, y);
+       else
+               return -ENOSYS;
 
        /* Skip banner output on video console if the logo is not at 0,0 */
        if (x || y)
@@ -189,4 +190,3 @@ int splash_display(void)
 end:
        return ret;
 }
-#endif

diff --git a/include/splash.h b/include/splash.h
index b6a100f..c392237 100644 (file)
--- a/include/splash.h
+++ b/include/splash.h
@@ -60,21 +60,8 @@ static inline int splash_source_load(struct splash_location *locations,
 #endif
 
 int splash_screen_prepare(void);
-
-#if CONFIG_IS_ENABLED(SPLASH_SCREEN_ALIGN)
 void splash_get_pos(int *x, int *y);
-#else
-static inline void splash_get_pos(int *x, int *y) { }
-#endif
-
-#if CONFIG_IS_ENABLED(SPLASH_SCREEN) && CONFIG_IS_ENABLED(BMP)
 int splash_display(void);
-#else
-static inline int splash_display(void)
-{
-       return -ENOSYS;
-}
-#endif
 
 #define BMP_ALIGN_CENTER       0x7FFF