fec: Fix the order for enabling/disabling the clocks
On fec_probe the clocks are enabled in the following order:
clk_ahb -> clk_ipg -> clk_enet_out -> clk_ptp
, so in the error and remove paths we should disabled them in the opposite
order.
Also fix the order in the suspend/resume functions.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index beaa576..5c34fd8 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -2179,12 +2179,12 @@
if (fep->reg_phy)
regulator_disable(fep->reg_phy);
failed_regulator:
- clk_disable_unprepare(fep->clk_ahb);
- clk_disable_unprepare(fep->clk_ipg);
- if (fep->clk_enet_out)
- clk_disable_unprepare(fep->clk_enet_out);
if (fep->clk_ptp)
clk_disable_unprepare(fep->clk_ptp);
+ if (fep->clk_enet_out)
+ clk_disable_unprepare(fep->clk_enet_out);
+ clk_disable_unprepare(fep->clk_ipg);
+ clk_disable_unprepare(fep->clk_ahb);
failed_clk:
failed_ioremap:
free_netdev(ndev);
@@ -2216,8 +2216,8 @@
ptp_clock_unregister(fep->ptp_clock);
if (fep->clk_enet_out)
clk_disable_unprepare(fep->clk_enet_out);
- clk_disable_unprepare(fep->clk_ahb);
clk_disable_unprepare(fep->clk_ipg);
+ clk_disable_unprepare(fep->clk_ahb);
free_netdev(ndev);
return 0;
@@ -2236,8 +2236,8 @@
}
if (fep->clk_enet_out)
clk_disable_unprepare(fep->clk_enet_out);
- clk_disable_unprepare(fep->clk_ahb);
clk_disable_unprepare(fep->clk_ipg);
+ clk_disable_unprepare(fep->clk_ahb);
if (fep->reg_phy)
regulator_disable(fep->reg_phy);
@@ -2258,10 +2258,10 @@
return ret;
}
- if (fep->clk_enet_out)
- clk_prepare_enable(fep->clk_enet_out);
clk_prepare_enable(fep->clk_ahb);
clk_prepare_enable(fep->clk_ipg);
+ if (fep->clk_enet_out)
+ clk_prepare_enable(fep->clk_enet_out);
if (netif_running(ndev)) {
fec_restart(ndev, fep->full_duplex);
netif_device_attach(ndev);