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disk: part: refactor generic name creation for DOS and ISO

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In both DOS and ISO partition tables the same code to create partition name
like "hda1" was repeated.

Code moved to into a new function part_set_generic_name() in part.c and optimized.
Added recognition of MMC and SD types, name is like "mmcsda1".

Signed-off-by: Petr Kulhavy <brain@jikos.cz>
Reviewed-by: Tom Rini <trini@konsulko.com>
Acked-by: Steve Rae <steve.rae@raedomain.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Petr Kulhavy
2016-09-09 10:27:17 +02:00
committed by Tom Rini
parent b6dd69a4d6
commit da2ee24d91
5 changed files with 50 additions and 53 deletions
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14
include/part.h
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@@ -165,6 +165,20 @@ int blk_get_device_part_str(const char *ifname, const char *dev_part_str,
int part_get_info_by_name(struct blk_desc *dev_desc,
const char *name, disk_partition_t *info);
/**
* part_set_generic_name() - create generic partition like hda1 or sdb2
*
* Helper function for partition tables, which don't hold partition names
* (DOS, ISO). Generates partition name out of the device type and partition
* number.
*
* @dev_desc: pointer to the block device
* @part_num: partition number for which the name is generated
* @name: buffer where the name is written
*/
void part_set_generic_name(const struct blk_desc *dev_desc,
int part_num, char *name);
extern const struct block_drvr block_drvr[];
#else
static inline struct blk_desc *blk_get_dev(const char *ifname, int dev)