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fastboot: getvar: Refactor fastboot_*_get_part_info() usage

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Extract fastboot_*_get_part_info() usage for MMC and NAND into
getvar_get_part_info() function, as it will be needed further in other
functions. This way we can avoid code duplication and mess with
preprocessor directives across all points of usage.

Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Igor Opaniuk <igor.opaniuk@toradex.com>
This commit is contained in:
Sam Protsenko 2019-06-13 21:11:08 +03:00 committed by Marek Vasut
parent cacb03e490
commit f23a87d581
1 changed files with 42 additions and 16 deletions
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58
drivers/fastboot/fb_getvar.c
View file

@ -81,6 +81,47 @@ static const struct {
}
};
#if CONFIG_IS_ENABLED(FASTBOOT_FLASH)
/**
* Get partition number and size for any storage type.
*
* Can be used to check if partition with specified name exists.
*
* If error occurs, this function guarantees to fill @p response with fail
* string. @p response can be rewritten in caller, if needed.
*
* @param[in] part_name Info for which partition name to look for
* @param[in,out] response Pointer to fastboot response buffer
* @param[out] size If not NULL, will contain partition size (in blocks)
* @return Partition number or negative value on error
*/
static int getvar_get_part_info(const char *part_name, char *response,
size_t *size)
{
int r;
# if CONFIG_IS_ENABLED(FASTBOOT_FLASH_MMC)
struct blk_desc *dev_desc;
disk_partition_t part_info;
r = fastboot_mmc_get_part_info(part_name, &dev_desc, &part_info,
response);
if (r >= 0 && size)
*size = part_info.size;
# elif CONFIG_IS_ENABLED(FASTBOOT_FLASH_NAND)
struct part_info *part_info;
r = fastboot_nand_get_part_info(part_name, &part_info, response);
if (r >= 0 && size)
*size = part_info->size;
# else
fastboot_fail("this storage is not supported in bootloader", response);
r = -ENODEV;
# endif
return r;
}
#endif
static void getvar_version(char *var_parameter, char *response)
{
fastboot_okay(FASTBOOT_VERSION, response);
@ -176,22 +217,7 @@ static void getvar_partition_size(char *part_name, char *response)
int r;
size_t size;
#if CONFIG_IS_ENABLED(FASTBOOT_FLASH_MMC)
struct blk_desc *dev_desc;
disk_partition_t part_info;
r = fastboot_mmc_get_part_info(part_name, &dev_desc, &part_info,
response);
if (r >= 0)
size = part_info.size;
#endif
#if CONFIG_IS_ENABLED(FASTBOOT_FLASH_NAND)
struct part_info *part_info;
r = fastboot_nand_get_part_info(part_name, &part_info, response);
if (r >= 0)
size = part_info->size;
#endif
r = getvar_get_part_info(part_name, response, &size);
if (r >= 0)
fastboot_response("OKAY", response, "0x%016zx", size);
}