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disk: Provide API to get partition by name for specific type

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There is already existing function part_get_info_by_name().
But sometimes user is particularly interested in looking for only
specific partition type. This patch implements such an API that
provides partition searching by name for specified partition type.

Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Sam Protsenko
2017-09-22 01:51:58 +03:00
committed by Tom Rini
parent 19d141a0f9
commit 3078909556
2 changed files with 28 additions and 2 deletions
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15
include/part.h
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@@ -173,6 +173,21 @@ int blk_get_device_part_str(const char *ifname, const char *dev_part_str,
struct blk_desc **dev_desc,
disk_partition_t *info, int allow_whole_dev);
/**
* part_get_info_by_name_type() - Search for a partition by name
* for only specified partition type
*
* @param dev_desc - block device descriptor
* @param gpt_name - the specified table entry name
* @param info - returns the disk partition info
* @param part_type - only search in partitions of this type
*
* @return - the partition number on match (starting on 1), -1 on no match,
* otherwise error
*/
int part_get_info_by_name_type(struct blk_desc *dev_desc, const char *name,
disk_partition_t *info, int part_type);
/**
* part_get_info_by_name() - Search for a partition by name
* among all available registered partitions