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authorSimon Glass <sjg@chromium.org>2020-12-17 07:20:30 +0300
committerSimon Glass <sjg@chromium.org>2020-12-19 06:32:21 +0300
commita133e2179a729036e7750b497c1c38f9f6a3a835 (patch)
treee8701370910c0a3c2db692051baef3c39455e3fa /drivers/core/uclass.c
parent991759196faa74b2e7df1cb8e87820f4ec7285f8 (diff)
downloadu-boot-a133e2179a729036e7750b497c1c38f9f6a3a835.tar.xz
dm: core: Update uclass_find_next_free_req_seq() for new scheme
This function current deals with req_seq which is deprecated. Update it to use the new sequence numbers, putting them above existing aliases. Rename the function to make this clear. Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/core/uclass.c')
-rw-r--r--drivers/core/uclass.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/core/uclass.c b/drivers/core/uclass.c
index 42c9ba5828..6409457fa9 100644
--- a/drivers/core/uclass.c
+++ b/drivers/core/uclass.c
@@ -272,18 +272,25 @@ int uclass_find_device_by_name(enum uclass_id id, const char *name,
return -ENODEV;
}
-int uclass_find_next_free_req_seq(struct uclass *uc)
+int uclass_find_next_free_seq(struct uclass *uc)
{
struct udevice *dev;
int max = -1;
+ /* If using aliases, start with the highest alias value */
+ if (CONFIG_IS_ENABLED(DM_SEQ_ALIAS) &&
+ (uc->uc_drv->flags & DM_UC_FLAG_SEQ_ALIAS))
+ max = dev_read_alias_highest_id(uc->uc_drv->name);
+
+ /* Avoid conflict with existing devices */
list_for_each_entry(dev, &uc->dev_head, uclass_node) {
- if ((dev->req_seq != -1) && (dev->req_seq > max))
- max = dev->req_seq;
+ if (dev->sqq > max)
+ max = dev->sqq;
}
-
- if (max == -1)
- return 0;
+ /*
+ * At this point, max will be -1 if there are no existing aliases or
+ * devices
+ */
return max + 1;
}