env_sf: use DIV_ROUND_UP to calculate number of sectors to erase
simpler to read
Signed-off-by: Andreas Fenkart <afenkart@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Jagan Teki <jagan@openedev.com>
Tested-by: Jagan Teki <jagan@openedev.com>
diff --git a/common/env_sf.c b/common/env_sf.c
index 6a1583e..9944602 100644
--- a/common/env_sf.c
+++ b/common/env_sf.c
@@ -80,7 +80,7 @@
{
env_t env_new;
char *saved_buffer = NULL, flag = OBSOLETE_FLAG;
- u32 saved_size, saved_offset, sector = 1;
+ u32 saved_size, saved_offset, sector;
int ret;
ret = setup_flash_device();
@@ -115,11 +115,7 @@
goto done;
}
- if (CONFIG_ENV_SIZE > CONFIG_ENV_SECT_SIZE) {
- sector = CONFIG_ENV_SIZE / CONFIG_ENV_SECT_SIZE;
- if (CONFIG_ENV_SIZE % CONFIG_ENV_SECT_SIZE)
- sector++;
- }
+ sector = DIV_ROUND_UP(CONFIG_ENV_SIZE, CONFIG_ENV_SECT_SIZE);
puts("Erasing SPI flash...");
ret = spi_flash_erase(env_flash, env_new_offset,
@@ -245,7 +241,7 @@
#else
int saveenv(void)
{
- u32 saved_size, saved_offset, sector = 1;
+ u32 saved_size, saved_offset, sector;
char *saved_buffer = NULL;
int ret = 1;
env_t env_new;
@@ -268,16 +264,12 @@
goto done;
}
- if (CONFIG_ENV_SIZE > CONFIG_ENV_SECT_SIZE) {
- sector = CONFIG_ENV_SIZE / CONFIG_ENV_SECT_SIZE;
- if (CONFIG_ENV_SIZE % CONFIG_ENV_SECT_SIZE)
- sector++;
- }
-
ret = env_export(&env_new);
if (ret)
goto done;
+ sector = DIV_ROUND_UP(CONFIG_ENV_SIZE, CONFIG_ENV_SECT_SIZE);
+
puts("Erasing SPI flash...");
ret = spi_flash_erase(env_flash, CONFIG_ENV_OFFSET,
sector * CONFIG_ENV_SECT_SIZE);