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env_sf: use DIV_ROUND_UP to calculate number of sectors to erase

Browse source 
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>
This commit is contained in:
Andreas Fenkart 2017-04-08 11:59:34 +02:00 • committed by Jagan Teki
parent c041c60c6c
commit 0b2e5bbe6a
1 changed files with 5 additions and 13 deletions
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18
common/env_sf.c
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@ -80,7 +80,7 @@ int saveenv(void)
{
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 @@ int saveenv(void)
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 @@ out:
#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 @@ int saveenv(void)
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);