diff options
| author | Geetha sowjanya <gakula@marvell.com> | 2022-01-21 07:34:41 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-01-21 15:32:20 +0100 |
| commit | 03ffbc9914bd1130fba464f0a41c01372e5fc359 (patch) | |
| tree | 7d2ebd010fac81a41f8377ada7b2081a38de32a2 /drivers/net/ethernet/marvell | |
| parent | octeontx2-af: Fix LBK backpressure id count (diff) | |
| download | linux-03ffbc9914bd1130fba464f0a41c01372e5fc359.tar.xz linux-03ffbc9914bd1130fba464f0a41c01372e5fc359.zip | |
octeontx2-af: Retry until RVU block reset complete
Few RVU blocks like SSO require more time for reset on some
silicons. Hence retrying the block reset until success.
Fixes: c0fa2cff8822c ("octeontx2-af: Handle return value in block reset")
Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/marvell')
| -rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/af/rvu.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c index 3ca6b942ebe2..54e1b27a7dfe 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c @@ -520,8 +520,11 @@ static void rvu_block_reset(struct rvu *rvu, int blkaddr, u64 rst_reg) rvu_write64(rvu, blkaddr, rst_reg, BIT_ULL(0)); 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); + if (err) { + dev_err(rvu->dev, "HW block:%d reset timeout retrying again\n", blkaddr); + while (rvu_poll_reg(rvu, blkaddr, rst_reg, BIT_ULL(63), true) == -EBUSY) + ; + } } static void rvu_reset_all_blocks(struct rvu *rvu) |