openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

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>
This commit is contained in:
Fabio Estevam 2013-07-21 13:25:00 -03:00 committed by David S. Miller
parent 9514fe7a23
commit d265cf48ea
1 changed files with 8 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
drivers/net/ethernet/freescale/fec_main.c
View File

@ -2179,12 +2179,12 @@ fec_probe(struct platform_device *pdev)
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 @@ fec_drv_remove(struct platform_device *pdev)
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 @@ fec_suspend(struct device *dev)
}
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 @@ fec_resume(struct device *dev)
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);