diff mbox series

[net] net: mvpp2: TCAM entry enable should be written after SRAM data

Message ID 1612172139-28343-1-git-send-email-stefanc@marvell.com (mailing list archive)
State Accepted
Commit 43f4a20a1266d393840ce010f547486d14cc0071
Delegated to: Netdev Maintainers
Headers show
Series [net] net: mvpp2: TCAM entry enable should be written after SRAM data | expand

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netdev/source_inline success Was 0 now: 0
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netdev/module_param success Was 0 now: 0
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netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 21 lines checked
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/header_inline success Link
netdev/stable success Stable not CCed

Commit Message

Stefan Chulski Feb. 1, 2021, 9:35 a.m. UTC 
From: Stefan Chulski <stefanc@marvell.com>

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>
---
 drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

Comments

patchwork-bot+netdevbpf@kernel.org Feb. 2, 2021, 4:50 p.m. UTC | #1 
Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Mon, 1 Feb 2021 11:35:39 +0200 you wrote:
> From: Stefan Chulski <stefanc@marvell.com>
> 
> 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>
> 
> [...]

Here is the summary with links:
  - [net] net: mvpp2: TCAM entry enable should be written after SRAM data
    https://git.kernel.org/netdev/net/c/43f4a20a1266

You are awesome, thank you!
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diff mbox series

Patch

diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c
index 0b2ff08..f4a905f 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;
 }