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| author | Stefan Chulski <stefanc@marvell.com> | 2021-02-01 11:35:39 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-02-10 09:21:06 +0100 |
| commit | 86d05ee593d1a20b0967fd180dd8b44fbbe80ddd (patch) | |
| tree | c5407f89659bc43770f8f2dfc455de71956e4038 | |
| parent | 8b8e0d0b718bd5c99bb3545c8f9c3302ce79b349 (diff) | |
| download | linux-stable-86d05ee593d1a20b0967fd180dd8b44fbbe80ddd.tar.gz linux-stable-86d05ee593d1a20b0967fd180dd8b44fbbe80ddd.tar.bz2 linux-stable-86d05ee593d1a20b0967fd180dd8b44fbbe80ddd.zip | |
net: mvpp2: TCAM entry enable should be written after SRAM data
[ 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 <stefanc@marvell.com>
Link: https://lore.kernel.org/r/1612172139-28343-1-git-send-email-stefanc@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c | 10 |
1 files 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 a30eb90ba3d2..dd590086fe6a 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; } |