diff mbox series

[v2,net,2/7] net: aquantia: Fix a regression with reset on old firmware

Message ID 3f74706b3b07e9d46bba7e825cc7d3b421938e23.1521544563.git.igor.russkikh@aquantia.com
State Accepted, archived
Delegated to: David Miller
Headers show
Series Aquantia atlantic hot fixes 03-2018 | expand

Commit Message

Igor Russkikh March 20, 2018, 11:40 a.m. UTC 
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>
---
 drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

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 fcb3279..dcb27bc 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;
 }