disk: Provide API to get partition by name for specific type
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>
diff --git a/disk/part.c b/disk/part.c
index aa9183d..66b8101 100644
--- a/disk/part.c
+++ b/disk/part.c
@@ -21,6 +21,9 @@
#define PRINTF(fmt,args...)
#endif
+/* Check all partition types */
+#define PART_TYPE_ALL -1
+
DECLARE_GLOBAL_DATA_PTR;
#ifdef HAVE_BLOCK_DEVICE
@@ -626,8 +629,8 @@
return ret;
}
-int part_get_info_by_name(struct blk_desc *dev_desc, const char *name,
- disk_partition_t *info)
+int part_get_info_by_name_type(struct blk_desc *dev_desc, const char *name,
+ disk_partition_t *info, int part_type)
{
struct part_driver *first_drv =
ll_entry_start(struct part_driver, part_driver);
@@ -638,6 +641,8 @@
int ret;
int i;
for (i = 1; i < part_drv->max_entries; i++) {
+ if (part_type >= 0 && part_type != part_drv->part_type)
+ break;
ret = part_drv->get_info(dev_desc, i, info);
if (ret != 0) {
/* no more entries in table */
@@ -652,6 +657,12 @@
return -1;
}
+int part_get_info_by_name(struct blk_desc *dev_desc, const char *name,
+ disk_partition_t *info)
+{
+ return part_get_info_by_name_type(dev_desc, name, info, PART_TYPE_ALL);
+}
+
void part_set_generic_name(const struct blk_desc *dev_desc,
int part_num, char *name)
{