@@ -644,28 +644,25 @@ cleanup:
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);
- const int n_drvs = ll_entry_count(struct part_driver, part_driver);
struct part_driver *part_drv;
-
- for (part_drv = first_drv; part_drv != first_drv + n_drvs; part_drv++) {
- 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 */
- break;
- }
- if (strcmp(name, (const char *)info->name) == 0) {
- /* matched */
- return i;
- }
+ int ret;
+ int i;
+
+ part_drv = part_driver_lookup_type(dev_desc);
+ if (!part_drv)
+ return -1;
+ for (i = 1; i < part_drv->max_entries; i++) {
+ ret = part_drv->get_info(dev_desc, i, info);
+ if (ret != 0) {
+ /* no more entries in table */
+ break;
+ }
+ if (strcmp(name, (const char *)info->name) == 0) {
+ /* matched */
+ return i;
}
}
+
return -1;
}
Do not need to scan disk every time when we get part info by name. Signed-off-by: Kever Yang <kever.yang@rock-chips.com> --- Changes in v2: - rebase to latest version - add error handle for partition tbale not exist disk/part.c | 35 ++++++++++++++++------------------- 1 file changed, 16 insertions(+), 19 deletions(-)