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authorIgor Russkikh <igor.russkikh@aquantia.com>2017-09-25 10:48:49 +0300
committerDavid S. Miller <davem@davemloft.net>2017-09-26 13:44:31 -0700
commita7bb1bea3a296549ebfc28afa76276ef392f9afa (patch)
tree4adcbde416158d7b6e9a9ff14efb60002f3b6f86 /drivers/net/ethernet
parent3aec6412e007b294d4c135f5c7ed5e5ecf37dd2e (diff)
downloadop-kernel-dev-a7bb1bea3a296549ebfc28afa76276ef392f9afa.zip
op-kernel-dev-a7bb1bea3a296549ebfc28afa76276ef392f9afa.tar.gz
aquantia: Fix transient invalid link down/up indications
Due to a bug in aquantia atlantic card firmware, it sometimes reports invalid link speed bits. That caused driver to report link down events, although link itself is totally fine. This patch ignores such out of blue readings. Signed-off-by: Pavel Belous <Pavel.Belous@aquantia.com> Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c
index 4f5ec9a..bf734b3 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c
@@ -351,8 +351,7 @@ int hw_atl_utils_mpi_get_link_status(struct aq_hw_s *self)
break;
default:
- link_status->mbps = 0U;
- break;
+ return -EBUSY;
}
}
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