ice_down() clears QINT_TQCTL_CAUSE_ENA_M bit twice, which is not necessary. First clearing happens in ice_vsi_dis_irq() and second in ice_vsi_stop_tx_ring() - remove the first one.
While at it, make ice_vsi_dis_irq() static as ice_down() is the only current caller of it. Signed-off-by: Maciej Fijalkowski <[email protected]> --- drivers/net/ethernet/intel/ice/ice_lib.c | 55 ----------------------- drivers/net/ethernet/intel/ice/ice_lib.h | 2 - drivers/net/ethernet/intel/ice/ice_main.c | 44 ++++++++++++++++++ 3 files changed, 44 insertions(+), 57 deletions(-) diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c index 9be724291ef8..9323bc1d4bdc 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_lib.c @@ -2848,61 +2848,6 @@ void ice_dis_vsi(struct ice_vsi *vsi, bool locked) } } -/** - * ice_vsi_dis_irq - Mask off queue interrupt generation on the VSI - * @vsi: the VSI being un-configured - */ -void ice_vsi_dis_irq(struct ice_vsi *vsi) -{ - struct ice_pf *pf = vsi->back; - struct ice_hw *hw = &pf->hw; - u32 val; - int i; - - /* disable interrupt causation from each queue */ - if (vsi->tx_rings) { - ice_for_each_txq(vsi, i) { - if (vsi->tx_rings[i]) { - u16 reg; - - reg = vsi->tx_rings[i]->reg_idx; - val = rd32(hw, QINT_TQCTL(reg)); - val &= ~QINT_TQCTL_CAUSE_ENA_M; - wr32(hw, QINT_TQCTL(reg), val); - } - } - } - - if (vsi->rx_rings) { - ice_for_each_rxq(vsi, i) { - if (vsi->rx_rings[i]) { - u16 reg; - - reg = vsi->rx_rings[i]->reg_idx; - val = rd32(hw, QINT_RQCTL(reg)); - val &= ~QINT_RQCTL_CAUSE_ENA_M; - wr32(hw, QINT_RQCTL(reg), val); - } - } - } - - /* disable each interrupt */ - ice_for_each_q_vector(vsi, i) { - if (!vsi->q_vectors[i]) - continue; - wr32(hw, GLINT_DYN_CTL(vsi->q_vectors[i]->reg_idx), 0); - } - - ice_flush(hw); - - /* don't call synchronize_irq() for VF's from the host */ - if (vsi->type == ICE_VSI_VF) - return; - - ice_for_each_q_vector(vsi, i) - synchronize_irq(vsi->q_vectors[i]->irq.virq); -} - /** * ice_queue_set_napi - Set the napi instance for the queue * @dev: device to which NAPI and queue belong diff --git a/drivers/net/ethernet/intel/ice/ice_lib.h b/drivers/net/ethernet/intel/ice/ice_lib.h index 71bd27244941..c394fe9abba4 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.h +++ b/drivers/net/ethernet/intel/ice/ice_lib.h @@ -114,8 +114,6 @@ void ice_write_qrxflxp_cntxt(struct ice_hw *hw, u16 pf_q, u32 rxdid, u32 prio, bool ena_ts); -void ice_vsi_dis_irq(struct ice_vsi *vsi); - void ice_vsi_free_irq(struct ice_vsi *vsi); void ice_vsi_free_rx_rings(struct ice_vsi *vsi); diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index dd4a9bc0dfdc..2358977324fd 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -7059,6 +7059,50 @@ static void ice_napi_disable_all(struct ice_vsi *vsi) } } +/** + * ice_vsi_dis_irq - Mask off queue interrupt generation on the VSI + * @vsi: the VSI being un-configured + */ +static void ice_vsi_dis_irq(struct ice_vsi *vsi) +{ + struct ice_pf *pf = vsi->back; + struct ice_hw *hw = &pf->hw; + u32 val; + int i; + + /* disable interrupt causation from each Rx queue; Tx queues are + * handled in ice_vsi_stop_tx_ring() + */ + if (vsi->rx_rings) { + ice_for_each_rxq(vsi, i) { + if (vsi->rx_rings[i]) { + u16 reg; + + reg = vsi->rx_rings[i]->reg_idx; + val = rd32(hw, QINT_RQCTL(reg)); + val &= ~QINT_RQCTL_CAUSE_ENA_M; + wr32(hw, QINT_RQCTL(reg), val); + } + } + } + + /* disable each interrupt */ + ice_for_each_q_vector(vsi, i) { + if (!vsi->q_vectors[i]) + continue; + wr32(hw, GLINT_DYN_CTL(vsi->q_vectors[i]->reg_idx), 0); + } + + ice_flush(hw); + + /* don't call synchronize_irq() for VF's from the host */ + if (vsi->type == ICE_VSI_VF) + return; + + ice_for_each_q_vector(vsi, i) + synchronize_irq(vsi->q_vectors[i]->irq.virq); +} + /** * ice_down - Shutdown the connection * @vsi: The VSI being stopped -- 2.34.1
