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octeontx2-af: Retry until RVU block reset complete
[ Upstream commit03ffbc9914
] Few RVU blocks like SSO require more time for reset on some silicons. Hence retrying the block reset until success. Fixes:c0fa2cff88
("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> Signed-off-by: Sasha Levin <sashal@kernel.org>
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1 changed files with 5 additions and 2 deletions
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@ -520,8 +520,11 @@ static void rvu_block_reset(struct rvu *rvu, int blkaddr, u64 rst_reg)
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rvu_write64(rvu, blkaddr, rst_reg, BIT_ULL(0));
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err = rvu_poll_reg(rvu, blkaddr, rst_reg, BIT_ULL(63), true);
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if (err)
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dev_err(rvu->dev, "HW block:%d reset failed\n", blkaddr);
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if (err) {
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dev_err(rvu->dev, "HW block:%d reset timeout retrying again\n", blkaddr);
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while (rvu_poll_reg(rvu, blkaddr, rst_reg, BIT_ULL(63), true) == -EBUSY)
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;
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}
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}
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static void rvu_reset_all_blocks(struct rvu *rvu)
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