diff options
author | Dominik Sliwa <dominik.sliwa@toradex.com> | 2018-09-12 17:28:23 +0200 |
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committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2018-09-27 18:11:39 +0200 |
commit | ba29b069a970c97be7255b3f42176be620f6ea70 (patch) | |
tree | 907cb5e36d1eebdf4b80da96ff4f1cc5a4db1ae9 /drivers/net/ethernet/intel/igb/e1000_phy.c | |
parent | 652ce8cfde72ff52075916c6008e86d08898636d (diff) |
net: igb: implement SIOCSMIIREG and allow SIOCGMIIREG to set pagesApalis-TK1_LXDE-Image_2.8b4.129-20181005
Before SIOCGMIIREG was only able to access page 0 registers.
Signed-off-by: Dominik Sliwa <dominik.sliwa@toradex.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
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 |