env/sf.c: use a variable to hold the sector size

As preparation for the next patch, use a local variable to represent
the sector size. No functional change.

Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>

diff --git a/env/sf.c b/env/sf.c
index 88ec110..d9ed08a 100644 (file)
--- a/env/sf.c
+++ b/env/sf.c
@@ -73,6 +73,7 @@ static int env_sf_save(void)
        env_t   env_new;
        char    *saved_buffer = NULL, flag = ENV_REDUND_OBSOLETE;
        u32     saved_size, saved_offset, sector;
+       u32     sect_size = CONFIG_ENV_SECT_SIZE;
        int     ret;
 
        ret = setup_flash_device();
@@ -93,8 +94,8 @@ static int env_sf_save(void)
        }
 
        /* Is the sector larger than the env (i.e. embedded) */
-       if (CONFIG_ENV_SECT_SIZE > CONFIG_ENV_SIZE) {
-               saved_size = CONFIG_ENV_SECT_SIZE - CONFIG_ENV_SIZE;
+       if (sect_size > CONFIG_ENV_SIZE) {
+               saved_size = sect_size - CONFIG_ENV_SIZE;
                saved_offset = env_new_offset + CONFIG_ENV_SIZE;
                saved_buffer = memalign(ARCH_DMA_MINALIGN, saved_size);
                if (!saved_buffer) {
@@ -107,11 +108,11 @@ static int env_sf_save(void)
                        goto done;
        }
 
-       sector = DIV_ROUND_UP(CONFIG_ENV_SIZE, CONFIG_ENV_SECT_SIZE);
+       sector = DIV_ROUND_UP(CONFIG_ENV_SIZE, sect_size);
 
        puts("Erasing SPI flash...");
        ret = spi_flash_erase(env_flash, env_new_offset,
-                               sector * CONFIG_ENV_SECT_SIZE);
+                               sector * sect_size);
        if (ret)
                goto done;
 
@@ -122,7 +123,7 @@ static int env_sf_save(void)
        if (ret)
                goto done;
 
-       if (CONFIG_ENV_SECT_SIZE > CONFIG_ENV_SIZE) {
+       if (sect_size > CONFIG_ENV_SIZE) {
                ret = spi_flash_write(env_flash, saved_offset,
                                        saved_size, saved_buffer);
                if (ret)
@@ -187,6 +188,7 @@ out:
 static int env_sf_save(void)
 {
        u32     saved_size, saved_offset, sector;
+       u32     sect_size = CONFIG_ENV_SECT_SIZE;
        char    *saved_buffer = NULL;
        int     ret = 1;
        env_t   env_new;
@@ -196,8 +198,8 @@ static int env_sf_save(void)
                return ret;
 
        /* Is the sector larger than the env (i.e. embedded) */
-       if (CONFIG_ENV_SECT_SIZE > CONFIG_ENV_SIZE) {
-               saved_size = CONFIG_ENV_SECT_SIZE - CONFIG_ENV_SIZE;
+       if (sect_size > CONFIG_ENV_SIZE) {
+               saved_size = sect_size - CONFIG_ENV_SIZE;
                saved_offset = CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE;
                saved_buffer = malloc(saved_size);
                if (!saved_buffer)
@@ -213,11 +215,11 @@ static int env_sf_save(void)
        if (ret)
                goto done;
 
-       sector = DIV_ROUND_UP(CONFIG_ENV_SIZE, CONFIG_ENV_SECT_SIZE);
+       sector = DIV_ROUND_UP(CONFIG_ENV_SIZE, sect_size);
 
        puts("Erasing SPI flash...");
        ret = spi_flash_erase(env_flash, CONFIG_ENV_OFFSET,
-               sector * CONFIG_ENV_SECT_SIZE);
+               sector * sect_size);
        if (ret)
                goto done;
 
@@ -227,7 +229,7 @@ static int env_sf_save(void)
        if (ret)
                goto done;
 
-       if (CONFIG_ENV_SECT_SIZE > CONFIG_ENV_SIZE) {
+       if (sect_size > CONFIG_ENV_SIZE) {
                ret = spi_flash_write(env_flash, saved_offset,
                        saved_size, saved_buffer);
                if (ret)