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.russk...@aquantia.com>
---
drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c | 4 ++++
1 file changed, 4 insertions(+)
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 0da480b..9a53a4c 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
@@ -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;
}
--
2.7.4
