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net: aquantia: Fix a regression with reset on old firmware

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FW 1.5.58 and below needs a fixed delay even after 0x18 register
is filled. Otherwise, setting MPI_INIT state too fast causes
traffic hang.

Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Igor Russkikh 2018-03-20 14:40:32 +03:00 committed by David S. Miller
parent 1bf9a7520f
commit d0f0fb25d6
1 changed files with 4 additions and 0 deletions
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4
drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c
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@ -147,6 +147,8 @@ static int hw_atl_utils_soft_reset_flb(struct aq_hw_s *self)
aq_pr_err("FW kickstart failed\n");
return -EIO;
}
/* Old FW requires fixed delay after init */
AQ_HW_SLEEP(15);
return 0;
}
@ -214,6 +216,8 @@ static int hw_atl_utils_soft_reset_rbl(struct aq_hw_s *self)
aq_pr_err("FW kickstart failed\n");
return -EIO;
}
/* Old FW requires fixed delay after init */
AQ_HW_SLEEP(15);
return 0;
}