netdev - [net PATCH 03/10] octeontx2-af: Handle return value in block reset.

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Date:   Sun, 22 Aug 2021 17:32:20 +0530
From:   Sunil Goutham <sgoutham@...vell.com>
To:     <netdev@...r.kernel.org>, <davem@...emloft.net>, <kuba@...nel.org>
CC:     Geetha sowjanya <gakula@...vell.com>,
        Sunil Goutham <sgoutham@...vell.com>
Subject: [net PATCH 03/10] octeontx2-af: Handle return value in block reset.

From: Geetha sowjanya <gakula@...vell.com>

Print debug message if any of the RVU hardware blocks
reset fails.

Signed-off-by: Geetha sowjanya <gakula@...vell.com>
Signed-off-by: Sunil Goutham <sgoutham@...vell.com>
---
 drivers/net/ethernet/marvell/octeontx2/af/rvu.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
index 5fe277e..633ba6c 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
@@ -498,12 +498,15 @@ int rvu_lf_reset(struct rvu *rvu, struct rvu_block *block, int lf)
 static void rvu_block_reset(struct rvu *rvu, int blkaddr, u64 rst_reg)
 {
 	struct rvu_block *block = &rvu->hw->block[blkaddr];
+	int err;
 
 	if (!block->implemented)
 		return;
 
 	rvu_write64(rvu, blkaddr, rst_reg, BIT_ULL(0));
-	rvu_poll_reg(rvu, blkaddr, rst_reg, BIT_ULL(63), true);
+	err = rvu_poll_reg(rvu, blkaddr, rst_reg, BIT_ULL(63), true);
+	if (err)
+		dev_err(rvu->dev, "HW block:%d reset failed\n", blkaddr);
 }
 
 static void rvu_reset_all_blocks(struct rvu *rvu)
-- 
2.7.4