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env_nand: use nand_spl_load_image for readenv if SPL 

The readenv() implementation of env_nand uses the mtd layer which is
unnecessary overhead in SPL when we already have a nand_spl_load_image()
function that doesn't need it. Using this instead eliminates the need
to provide a mtd_read for SPL env as well as reduces code (4KB savings in IMX6
SPL).

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Acked-by: Scott Wood <scottwood@freescale.com>
utp
Tim Harvey 2015-05-14 11:48:04 -07:00 committed by Stefano Babic
parent af1db4a390
commit 9e20560221
1 changed files with 7 additions and 0 deletions
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7
common/env_nand.c
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@ -233,6 +233,12 @@ int saveenv(void)
}
#endif /* CMD_SAVEENV */
#if defined(CONFIG_SPL_BUILD)
static int readenv(size_t offset, u_char *buf)
{
return nand_spl_load_image(offset, CONFIG_ENV_SIZE, buf);
}
#else
static int readenv(size_t offset, u_char *buf)
{
size_t end = offset + CONFIG_ENV_RANGE;
@ -266,6 +272,7 @@ static int readenv(size_t offset, u_char *buf)
return 0;
}
#endif /* #if defined(CONFIG_SPL_BUILD) */
#ifdef CONFIG_ENV_OFFSET_OOB
int get_nand_env_oob(nand_info_t *nand, unsigned long *result)