Commit 03ffbc99 authored by Geetha sowjanya's avatar Geetha sowjanya Committed by David S. Miller
Browse files

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: c0fa2cff ("octeontx2-af: Handle return value in block reset")
Signed-off-by: default avatarGeetha sowjanya <gakula@marvell.com>
Signed-off-by: default avatarSubbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: default avatarSunil Goutham <sgoutham@marvell.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 00bfe94e

drivers/net/ethernet/marvell/octeontx2/af/rvu.c

+5 −2
Original line number Original line Diff line number Diff line
@@ -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));

	rvu_write64(rvu, blkaddr, rst_reg, BIT_ULL(0));

	err = 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)

	if (err) {

		dev_err(rvu->dev, "HW block:%d reset failed\n", blkaddr);

		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)

static void rvu_reset_all_blocks(struct rvu *rvu)