diff options
Diffstat (limited to 'drivers/net/ethernet/intel/igb/e1000_phy.c')
-rw-r--r-- | drivers/net/ethernet/intel/igb/e1000_phy.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/igb/e1000_phy.c b/drivers/net/ethernet/intel/igb/e1000_phy.c index 51726916215e..213cf5662c3d 100644 --- a/drivers/net/ethernet/intel/igb/e1000_phy.c +++ b/drivers/net/ethernet/intel/igb/e1000_phy.c @@ -3241,6 +3241,57 @@ release: } /** + * e1000_write_phy_reg_no_page - Write PHY register without Page switching + * @hw: pointer to the HW structure + * @offset: register offset to write to + * @data: data to write at register offset + * + * Acquires semaphore, if necessary, then writes the data to PHY register + * at the offset. Release any acquired semaphores before exiting. + **/ +s32 e1000_write_phy_reg_no_page(struct e1000_hw *hw, u32 offset, u16 data) +{ + s32 ret_val; + + offset = offset & MAX_PHY_REG_ADDRESS; + + ret_val = hw->phy.ops.acquire(hw); + if (ret_val) + return ret_val; + + ret_val = e1000_write_phy_reg_mdic(hw, offset, data); + + hw->phy.ops.release(hw); + return ret_val; +} + +/** + * e1000_read_phy_reg_no_page - Read PHY register without Page switching + * @hw: pointer to the HW structure + * @offset: lower half is register offset to read to + * upper half is page to use. + * @data: data to read at register offset + * + * Acquires semaphore, if necessary, then reads the data in the PHY register + * at the offset. Release any acquired semaphores before exiting. + **/ +s32 e1000_read_phy_reg_no_page(struct e1000_hw *hw, u32 offset, u16 *data) +{ + s32 ret_val; + + offset = offset & MAX_PHY_REG_ADDRESS; + + ret_val = hw->phy.ops.acquire(hw); + if (ret_val) + return ret_val; + + ret_val = e1000_read_phy_reg_mdic(hw, offset, data); + + hw->phy.ops.release(hw); + return ret_val; +} + +/** * e1000_read_phy_reg_mphy - Read mPHY control register * @hw: pointer to the HW structure * @address: address to be read |