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



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