netsec: restore phy power state after controller reset
authorMian Yousaf Kaukab <ykaukab@suse.de>
Thu, 18 Mar 2021 08:50:26 +0000 (09:50 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 30 Mar 2021 12:31:53 +0000 (14:31 +0200)
commit4f67d3e8c0ac6e857f01ce59567eecd6f0f79c46
treee840e8a8901bcffd33d7301f012d915df8ac5478
parent19c9967e495ec182efa0f1d4689e338f7db00e3c
netsec: restore phy power state after controller reset

commit 804741ac7b9f2fdebe3740cb0579cb8d94d49e60 upstream.

Since commit 8e850f25b581 ("net: socionext: Stop PHY before resetting
netsec") netsec_netdev_init() power downs phy before resetting the
controller. However, the state is not restored once the reset is
complete. As a result it is not possible to bring up network on a
platform with Broadcom BCM5482 phy.

Fix the issue by restoring phy power state after controller reset is
complete.

Fixes: 8e850f25b581 ("net: socionext: Stop PHY before resetting netsec")
Cc: stable@vger.kernel.org
Signed-off-by: Mian Yousaf Kaukab <ykaukab@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/net/ethernet/socionext/netsec.c