From b51612198603fce33d6cf57b4864e3018a1cd9b8 Mon Sep 17 00:00:00 2001 From: Subbaraya Sundeep Date: Wed, 26 Apr 2023 11:55:21 +0530 Subject: octeontx2-af: mcs: Write TCAM_DATA and TCAM_MASK registers at once As per hardware errata on CN10KB, all the four TCAM_DATA and TCAM_MASK registers has to be written at once otherwise write to individual registers will fail. Hence write to all TCAM_DATA registers and then to all TCAM_MASK registers. Fixes: cfc14181d497 ("octeontx2-af: cn10k: mcs: Manage the MCS block hardware resources") Signed-off-by: Subbaraya Sundeep Signed-off-by: Sunil Kovvuri Goutham Signed-off-by: Geetha sowjanya Reviewed-by: Leon Romanovsky Signed-off-by: Paolo Abeni --- drivers/net/ethernet/marvell/octeontx2/af/mcs.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers') diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mcs.c b/drivers/net/ethernet/marvell/octeontx2/af/mcs.c index 492baa0b594c..148417d633a5 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/mcs.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/mcs.c @@ -473,6 +473,8 @@ void mcs_flowid_entry_write(struct mcs *mcs, u64 *data, u64 *mask, int flow_id, for (reg_id = 0; reg_id < 4; reg_id++) { reg = MCSX_CPM_RX_SLAVE_FLOWID_TCAM_DATAX(reg_id, flow_id); mcs_reg_write(mcs, reg, data[reg_id]); + } + for (reg_id = 0; reg_id < 4; reg_id++) { reg = MCSX_CPM_RX_SLAVE_FLOWID_TCAM_MASKX(reg_id, flow_id); mcs_reg_write(mcs, reg, mask[reg_id]); } @@ -480,6 +482,8 @@ void mcs_flowid_entry_write(struct mcs *mcs, u64 *data, u64 *mask, int flow_id, for (reg_id = 0; reg_id < 4; reg_id++) { reg = MCSX_CPM_TX_SLAVE_FLOWID_TCAM_DATAX(reg_id, flow_id); mcs_reg_write(mcs, reg, data[reg_id]); + } + for (reg_id = 0; reg_id < 4; reg_id++) { reg = MCSX_CPM_TX_SLAVE_FLOWID_TCAM_MASKX(reg_id, flow_id); mcs_reg_write(mcs, reg, mask[reg_id]); } -- cgit v1.2.3