From: Stefan Chulski <stef...@marvell.com> [ Upstream commit 43f4a20a1266d393840ce010f547486d14cc0071 ]
Last TCAM data contains TCAM enable bit. It should be written after SRAM data before entry enabled. Fixes: 3f518509dedc ("ethernet: Add new driver for Marvell Armada 375 network unit") Signed-off-by: Stefan Chulski <stef...@marvell.com> Link: https://lore.kernel.org/r/1612172139-28343-1-git-send-email-stef...@marvell.com Signed-off-by: Jakub Kicinski <k...@kernel.org> Signed-off-by: Sasha Levin <sas...@kernel.org> --- drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c index a30eb90ba3d28..dd590086fe6a5 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c @@ -29,16 +29,16 @@ static int mvpp2_prs_hw_write(struct mvpp2 *priv, struct mvpp2_prs_entry *pe) /* Clear entry invalidation bit */ pe->tcam[MVPP2_PRS_TCAM_INV_WORD] &= ~MVPP2_PRS_TCAM_INV_MASK; - /* Write tcam index - indirect access */ - mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, pe->index); - for (i = 0; i < MVPP2_PRS_TCAM_WORDS; i++) - mvpp2_write(priv, MVPP2_PRS_TCAM_DATA_REG(i), pe->tcam[i]); - /* Write sram index - indirect access */ mvpp2_write(priv, MVPP2_PRS_SRAM_IDX_REG, pe->index); for (i = 0; i < MVPP2_PRS_SRAM_WORDS; i++) mvpp2_write(priv, MVPP2_PRS_SRAM_DATA_REG(i), pe->sram[i]); + /* Write tcam index - indirect access */ + mvpp2_write(priv, MVPP2_PRS_TCAM_IDX_REG, pe->index); + for (i = 0; i < MVPP2_PRS_TCAM_WORDS; i++) + mvpp2_write(priv, MVPP2_PRS_TCAM_DATA_REG(i), pe->tcam[i]); + return 0; } -- 2.27.0