firmware/br-ext-chip-goke/board/gk7205v200/kernel/patches/00_drivers-net-phy-phy_devi...

57 lines
1.7 KiB
Diff

--- linux-4.9.37/drivers/net/phy/phy_device.c 2017-07-12 16:42:41.000000000 +0300
+++ linux-4.9.y/drivers/net/phy/phy_device.c 2021-06-07 13:01:33.000000000 +0300
@@ -234,6 +234,53 @@
}
EXPORT_SYMBOL(phy_register_fixup_for_id);
+/**
+ * phy_unregister_fixup - remove a phy_fixup from the list
+ * @bus_id: A string matches fixup->bus_id (or PHY_ANY_ID) in phy_fixup_list
+ * @phy_uid: A phy id matches fixup->phy_id (or PHY_ANY_UID) in phy_fixup_list
+ * @phy_uid_mask: Applied to phy_uid and fixup->phy_uid before comparison
+ */
+int phy_unregister_fixup(const char *bus_id, u32 phy_uid, u32 phy_uid_mask)
+{
+ struct list_head *pos, *n;
+ struct phy_fixup *fixup;
+ int ret;
+
+ ret = -ENODEV;
+
+ mutex_lock(&phy_fixup_lock);
+ list_for_each_safe(pos, n, &phy_fixup_list) {
+ fixup = list_entry(pos, struct phy_fixup, list);
+
+ if ((!strcmp(fixup->bus_id, bus_id)) &&
+ ((fixup->phy_uid & phy_uid_mask) ==
+ (phy_uid & phy_uid_mask))) {
+ list_del(&fixup->list);
+ kfree(fixup);
+ ret = 0;
+ break;
+ }
+ }
+ mutex_unlock(&phy_fixup_lock);
+
+ return ret;
+}
+EXPORT_SYMBOL(phy_unregister_fixup);
+
+/* Unregisters a fixup of any PHY with the UID in phy_uid */
+int phy_unregister_fixup_for_uid(u32 phy_uid, u32 phy_uid_mask)
+{
+ return phy_unregister_fixup(PHY_ANY_ID, phy_uid, phy_uid_mask);
+}
+EXPORT_SYMBOL(phy_unregister_fixup_for_uid);
+
+/* Unregisters a fixup of the PHY with id string bus_id */
+int phy_unregister_fixup_for_id(const char *bus_id)
+{
+ return phy_unregister_fixup(bus_id, PHY_ANY_UID, 0xffffffff);
+}
+EXPORT_SYMBOL(phy_unregister_fixup_for_id);
+
/* Returns 1 if fixup matches phydev in bus_id and phy_uid.
* Fixups can be set to match any in one or more fields.
*/