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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 23:44:31 +0300
commita7bb1bea3a296549ebfc28afa76276ef392f9afa (patch)
tree4adcbde416158d7b6e9a9ff14efb60002f3b6f86 /drivers/net/ethernet/aquantia
parent3aec6412e007b294d4c135f5c7ed5e5ecf37dd2e (diff)
downloadlinux-a7bb1bea3a296549ebfc28afa76276ef392f9afa.tar.xz
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/aquantia')
-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 4f5ec9a0fbfb..bf734b32e44b 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;
}
}