diff options
Diffstat (limited to 'target/linux/ath79/patches-5.10/900-mdio_bitbang_ignore_ta_value.patch')
| -rw-r--r-- | target/linux/ath79/patches-5.10/900-mdio_bitbang_ignore_ta_value.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/target/linux/ath79/patches-5.10/900-mdio_bitbang_ignore_ta_value.patch b/target/linux/ath79/patches-5.10/900-mdio_bitbang_ignore_ta_value.patch new file mode 100644 index 0000000000..928f241abd --- /dev/null +++ b/target/linux/ath79/patches-5.10/900-mdio_bitbang_ignore_ta_value.patch @@ -0,0 +1,32 @@ +--- 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 + static 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 @@ static int mdiobb_read(struct mii_bus *b + + 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); |