diff options
| author | Steffen Trumtrar <s.trumtrar@pengutronix.de> | 2013-03-27 23:07:07 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-03-28 14:41:19 -0400 |
| commit | ace58010c458e54865d39bc522d0d84dadba2182 (patch) | |
| tree | d447814a0d2508f2acfcec20cec43e0dd5c07efc | |
| parent | a1ae385df210a9fe272b87683192f2789ddf144e (diff) | |
| download | blackbird-op-linux-ace58010c458e54865d39bc522d0d84dadba2182.tar.gz blackbird-op-linux-ace58010c458e54865d39bc522d0d84dadba2182.zip | |
net/macb: make clk_enable atomic
Use clk_prepare_enable/clk_disable_unprepare to be safe on SMP systems.
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Fabio Estevam <festevam@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/cadence/macb.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c index 2747a7f59528..ed2cb130f988 100644 --- a/drivers/net/ethernet/cadence/macb.c +++ b/drivers/net/ethernet/cadence/macb.c @@ -1561,14 +1561,14 @@ static int __init macb_probe(struct platform_device *pdev) dev_err(&pdev->dev, "failed to get macb_clk\n"); goto err_out_free_dev; } - clk_enable(bp->pclk); + clk_prepare_enable(bp->pclk); bp->hclk = clk_get(&pdev->dev, "hclk"); if (IS_ERR(bp->hclk)) { dev_err(&pdev->dev, "failed to get hclk\n"); goto err_out_put_pclk; } - clk_enable(bp->hclk); + clk_prepare_enable(bp->hclk); bp->regs = ioremap(regs->start, resource_size(regs)); if (!bp->regs) { @@ -1658,9 +1658,9 @@ err_out_free_irq: err_out_iounmap: iounmap(bp->regs); err_out_disable_clocks: - clk_disable(bp->hclk); + clk_disable_unprepare(bp->hclk); clk_put(bp->hclk); - clk_disable(bp->pclk); + clk_disable_unprepare(bp->pclk); err_out_put_pclk: clk_put(bp->pclk); err_out_free_dev: @@ -1687,9 +1687,9 @@ static int __exit macb_remove(struct platform_device *pdev) unregister_netdev(dev); free_irq(dev->irq, dev); iounmap(bp->regs); - clk_disable(bp->hclk); + clk_disable_unprepare(bp->hclk); clk_put(bp->hclk); - clk_disable(bp->pclk); + clk_disable_unprepare(bp->pclk); clk_put(bp->pclk); free_netdev(dev); platform_set_drvdata(pdev, NULL); @@ -1707,8 +1707,8 @@ static int macb_suspend(struct platform_device *pdev, pm_message_t state) netif_carrier_off(netdev); netif_device_detach(netdev); - clk_disable(bp->hclk); - clk_disable(bp->pclk); + clk_disable_unprepare(bp->hclk); + clk_disable_unprepare(bp->pclk); return 0; } @@ -1718,8 +1718,8 @@ static int macb_resume(struct platform_device *pdev) struct net_device *netdev = platform_get_drvdata(pdev); struct macb *bp = netdev_priv(netdev); - clk_enable(bp->pclk); - clk_enable(bp->hclk); + clk_prepare_enable(bp->pclk); + clk_prepare_enable(bp->hclk); netif_device_attach(netdev); |
