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disk: part: Add API to get partitions with specific driver

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Adds part_driver_get_type() API which can be used to force a specific
driver to be used when getting partition information instead of relying
on auto detection.

Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Joshua Watt
2023-07-03 08:39:54 -05:00
committed by Tom Rini
parent 44ef2855e1
commit 387f8be55b
2 changed files with 49 additions and 8 deletions
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19
include/part.h
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@@ -105,7 +105,24 @@ struct blk_desc *blk_get_dev(const char *ifname, int dev);
struct blk_desc *mg_disk_get_dev(int dev);
/* disk/part.c */
/**
* part_get_info_by_type() - Get partitions from a block device using a specific
* partition driver
*
* Each interface allocates its own devices and typically struct blk_desc is
* contained with the interface's data structure. There is no global
* numbering for block devices, so the interface name must be provided.
*
* @dev_desc: Block device descriptor
* @part: Partition number to read
* @part_type: Partition driver to use, or PART_TYPE_UNKNOWN to automatically
* choose a driver
* @info: Returned partition information
*
* Return: 0 on success, negative errno on failure
*/
int part_get_info_by_type(struct blk_desc *dev_desc, int part, int part_type,
struct disk_partition *info);
int part_get_info(struct blk_desc *dev_desc, int part,
struct disk_partition *info);
/**