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env: factor out the env_get_char_spec() function 

env_get_char_spec() function is duplicated across multiple environment
files.
Remove the duplication by providing a default implementation.
Add "weak" declaration, so the default implementation can be overridden.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
This commit is contained in:
Igor Grinberg 2011-12-26 03:33:10 +00:00 committed by Wolfgang Denk
parent 33e1e01820
commit bf95df44ff
9 changed files with 9 additions and 39 deletions
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7
common/env_common.c
View File

@ -124,6 +124,13 @@ const uchar default_environment[] = {
struct hsearch_data env_htab;
static uchar __env_get_char_spec(int index)
{
return *((uchar *)(gd->env_addr + index));
}
uchar env_get_char_spec(int)
__attribute__((weak, alias("__env_get_char_spec")));
static uchar env_get_char_init(int index)
{
/* if crc was bad, use the default environment */

5
common/env_flash.c
View File

@ -73,11 +73,6 @@ static ulong end_addr_new = CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SECT_SIZE - 1;
#endif /* CONFIG_ENV_ADDR_REDUND */
uchar env_get_char_spec(int index)
{
return *((uchar *)(gd->env_addr + index));
}
#ifdef CONFIG_ENV_ADDR_REDUND
int env_init(void)
{

5
common/env_mgdisk.c
View File

@ -33,11 +33,6 @@ env_t *env_ptr;
DECLARE_GLOBAL_DATA_PTR;
uchar env_get_char_spec(int index)
{
return *((uchar *)(gd->env_addr + index));
}
void env_relocate_spec(void)
{
char buf[CONFIG_ENV_SIZE];

5
common/env_mmc.c
View File

@ -54,11 +54,6 @@ static int __mmc_get_env_addr(struct mmc *mmc, u32 *env_addr)
int mmc_get_env_addr(struct mmc *mmc, u32 *env_addr)
__attribute__((weak, alias("__mmc_get_env_addr")));
uchar env_get_char_spec(int index)
{
return *((uchar *)(gd->env_addr + index));
}
int env_init(void)
{
/* use default */

5
common/env_nand.c
View File

@ -66,11 +66,6 @@ env_t *env_ptr;
DECLARE_GLOBAL_DATA_PTR;
uchar env_get_char_spec(int index)
{
return *((uchar *)(gd->env_addr + index));
}
/*
* This is called before nand_init() so we can't read NAND to
* validate env data.

5
common/env_nowhere.c
View File

@ -37,11 +37,6 @@ void env_relocate_spec(void)
{
}
uchar env_get_char_spec(int index)
{
return *((uchar *)(gd->env_addr + index));
}
/*
* Initialize Environment use
*

6
common/env_nvram.c
View File

@ -59,18 +59,16 @@ env_t *env_ptr = (env_t *)CONFIG_ENV_ADDR;
char *env_name_spec = "NVRAM";
#ifdef CONFIG_SYS_NVRAM_ACCESS_ROUTINE
uchar env_get_char_spec(int index)
{
#ifdef CONFIG_SYS_NVRAM_ACCESS_ROUTINE
uchar c;
nvram_read(&c, CONFIG_ENV_ADDR + index, 1);
return c;
#else
return *((uchar *)(gd->env_addr + index));
#endif
}
#endif
void env_relocate_spec(void)
{

5
common/env_onenand.c
View File

@ -44,11 +44,6 @@ char *env_name_spec = "OneNAND";
DECLARE_GLOBAL_DATA_PTR;
uchar env_get_char_spec(int index)
{
return *((uchar *)(gd->env_addr + index));
}
void env_relocate_spec(void)
{
struct mtd_info *mtd = &onenand_mtd;

5
common/env_sf.c
View File

@ -59,11 +59,6 @@ char *env_name_spec = "SPI Flash";
static struct spi_flash *env_flash;
uchar env_get_char_spec(int index)
{
return *((uchar *)(gd->env_addr + index));
}
#if defined(CONFIG_ENV_OFFSET_REDUND)
int saveenv(void)
{