ath79: remove obsolete 5.15 kernel support

[openwrt/openwrt.git] / target / linux / ath79 / patches-5.15 / 720-mdio_bitbang_ignore_ta_value.patch

diff --git a/target/linux/ath79/patches-5.15/720-mdio_bitbang_ignore_ta_value.patch b/target/linux/ath79/patches-5.15/720-mdio_bitbang_ignore_ta_value.patch
deleted file mode 100644 (file)
index 5363bb3..0000000
--- a/target/linux/ath79/patches-5.15/720-mdio_bitbang_ignore_ta_value.patch
+++ /dev/null
@@ -1,44 +0,0 @@
-From: Jonas Gorski <jogo@openwrt.org>
-Subject: ar71xx: add a workaround for ar8316 not always driving the TA bit to low
-
-AR8316 behind a GPIO bitbanged MDIO bus fails to drive the turnaround bit
-to low despite returning a valid value. Ignore it and just use the
-returned value anyway.
-
-SVN-Revision: 28422
----
- drivers/net/mdio/mdio-bitbang.c               | 16 ++-----------------
- 1 file changed, 2 insertions(+), 14 deletions(-)
-
---- a/drivers/net/mdio/mdio-bitbang.c
-+++ b/drivers/net/mdio/mdio-bitbang.c
-@@ -152,7 +152,7 @@ static int mdiobb_cmd_addr(struct mdiobb
- int mdiobb_read(struct mii_bus *bus, int phy, int reg)
- {
-       struct mdiobb_ctrl *ctrl = bus->priv;
--      int ret, i;
-+      int ret;
- 
-       if (reg & MII_ADDR_C45) {
-               reg = mdiobb_cmd_addr(ctrl, phy, reg);
-@@ -162,19 +162,7 @@ int mdiobb_read(struct mii_bus *bus, int
- 
-       ctrl->ops->set_mdio_dir(ctrl, 0);
- 
--      /* check the turnaround bit: the PHY should be driving it to zero, if this
--       * PHY is listed in phy_ignore_ta_mask as having broken TA, skip that
--       */
--      if (mdiobb_get_bit(ctrl) != 0 &&
--          !(bus->phy_ignore_ta_mask & (1 << phy))) {
--              /* PHY didn't drive TA low -- flush any bits it
--               * may be trying to send.
--               */
--              for (i = 0; i < 32; i++)
--                      mdiobb_get_bit(ctrl);
--
--              return 0xffff;
--      }
-+      mdiobb_get_bit(ctrl);
- 
-       ret = mdiobb_get_num(ctrl, 16);
-       mdiobb_get_bit(ctrl);