diff options
Diffstat (limited to 'drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c')
| -rw-r--r-- | drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c index 93c06dfa6c55..09500a95380b 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c @@ -612,6 +612,27 @@ static u32 aq_fw2x_state2_get(struct aq_hw_s *self) return aq_hw_read_reg(self, HW_ATL_FW2X_MPI_STATE2_ADDR); } +static int aq_fw2x_set_downshift(struct aq_hw_s *self, u32 counter) +{ + int err = 0; + u32 mpi_opts; + u32 offset; + + offset = offsetof(struct hw_atl_utils_settings, downshift_retry_count); + err = hw_atl_write_fwsettings_dwords(self, offset, &counter, 1); + if (err) + return err; + + mpi_opts = aq_hw_read_reg(self, HW_ATL_FW2X_MPI_CONTROL2_ADDR); + if (counter) + mpi_opts |= HW_ATL_FW2X_CTRL_DOWNSHIFT; + else + mpi_opts &= ~HW_ATL_FW2X_CTRL_DOWNSHIFT; + aq_hw_write_reg(self, HW_ATL_FW2X_MPI_CONTROL2_ADDR, mpi_opts); + + return err; +} + static u32 aq_fw2x_get_link_capabilities(struct aq_hw_s *self) { int err = 0; @@ -692,6 +713,7 @@ const struct aq_fw_ops aq_fw_2x_ops = { .enable_ptp = aq_fw3x_enable_ptp, .led_control = aq_fw2x_led_control, .set_phyloopback = aq_fw2x_set_phyloopback, + .set_downshift = aq_fw2x_set_downshift, .adjust_ptp = aq_fw3x_adjust_ptp, .get_link_capabilities = aq_fw2x_get_link_capabilities, .send_macsec_req = aq_fw2x_send_macsec_req, |