This series add DCB/QoS support to the driver.

v3: https://lore.kernel.org/r/20260125001328.3784006-1-mmyangfl@gmail.com
  - fix port_del_dscp_prio()
  - split yt921x_chip_setup()
v2: https://lore.kernel.org/r/20260122194233.2777550-1-mmyangfl@gmail.com
  - make DCB support optional
  - refine with enum yt921x_app_selector
  - add missing dscp_prio_mapping_is_global
  - fix pcp support
v1: https://lore.kernel.org/r/20260119185935.2072685-1-mmyangfl@gmail.com
  - rebase

David Yang (4):
  net: dsa: tag_yt921x: fix priority support
  net: dsa: yt921x: Refactor VLAN awareness setting
  net: dsa: yt921x: Refactor yt921x_chip_setup()
  net: dsa: yt921x: Add DCB/QoS support

 drivers/net/dsa/Kconfig  |   1 +
 drivers/net/dsa/yt921x.c | 305 ++++++++++++++++++++++++++++++++++++---
 drivers/net/dsa/yt921x.h |  55 +++++--
 net/dsa/tag_yt921x.c     |   8 +-
 4 files changed, 337 insertions(+), 32 deletions(-)

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2.51.0