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Commit c66f6c37 authored by Thierry Reding's avatar Thierry Reding Committed by David S. Miller
Browse files

net: stmmac: Disable PTP reference clock on error 



If an error occurs while opening the device, make sure to disable the
PTP reference clock.

Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6c1e5abe

drivers/net/ethernet/stmicro/stmmac/stmmac_main.c

+8 −0
Original line number Diff line number Diff line
@@ -1754,6 +1754,13 @@ static int stmmac_hw_setup(struct net_device *dev, bool init_ptp) 
	return 0;

}



static void stmmac_hw_teardown(struct net_device *dev)

{

	struct stmmac_priv *priv = netdev_priv(dev);



	clk_disable_unprepare(priv->plat->clk_ptp_ref);

}



/**

 *  stmmac_open - open entry point of the driver

 *  @dev : pointer to the device structure.
@@ -1863,6 +1870,7 @@ static int stmmac_open(struct net_device *dev) 
		phy_stop(dev->phydev);



	del_timer_sync(&priv->txtimer);

	stmmac_hw_teardown(dev);

init_error:

	free_dma_desc_resources(priv);

dma_desc_error: