This is a note to let you know that I've just added the patch titled
net: bcmgenet: power down internal phy if open or resume fails
to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...
The filename of the patch is: net-bcmgenet-power-down-internal-phy-if-open-or-resume-fails.patch and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.
From foo@baz Mon Dec 18 14:12:34 CET 2017
From: Doug Berger opendmb@gmail.com Date: Thu, 9 Mar 2017 16:58:46 -0800 Subject: net: bcmgenet: power down internal phy if open or resume fails
From: Doug Berger opendmb@gmail.com
[ Upstream commit 7627409cc4970e8c8b9de6945ad86a575290a94e ]
Since the internal PHY is powered up during the open and resume functions it should be powered back down if the functions fail.
Fixes: 1c1008c793fa ("net: bcmgenet: add main driver file") Signed-off-by: Doug Berger opendmb@gmail.com Reviewed-by: Florian Fainelli f.fainelli@gmail.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin alexander.levin@verizon.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/ethernet/broadcom/genet/bcmgenet.c | 4 ++++ 1 file changed, 4 insertions(+)
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -2857,6 +2857,8 @@ err_irq0: err_fini_dma: bcmgenet_fini_dma(priv); err_clk_disable: + if (priv->internal_phy) + bcmgenet_power_down(priv, GENET_POWER_PASSIVE); clk_disable_unprepare(priv->clk); return ret; } @@ -3560,6 +3562,8 @@ static int bcmgenet_resume(struct device return 0;
out_clk_disable: + if (priv->internal_phy) + bcmgenet_power_down(priv, GENET_POWER_PASSIVE); clk_disable_unprepare(priv->clk); return ret; }
Patches currently in stable-queue which might be from opendmb@gmail.com are
queue-4.9/net-bcmgenet-synchronize-irq0-status-between-the-isr-and-task.patch queue-4.9/net-bcmgenet-correct-the-rbuf_ovfl_cnt-and-rbuf_err_cnt-mib-values.patch queue-4.9/net-bcmgenet-correct-mib-access-of-unimac-runt-counters.patch queue-4.9/net-bcmgenet-power-down-internal-phy-if-open-or-resume-fails.patch queue-4.9/net-bcmgenet-reserved-phy-revisions-must-be-checked-first.patch queue-4.9/net-bcmgenet-power-up-the-internal-phy-before-probing-the-mii.patch