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    Subject[PATCH 07/10] macb: Basic suspend/resume support
    Date
    ---
    drivers/net/macb.c | 37 +++++++++++++++++++++++++++++++++++++
    1 files changed, 37 insertions(+), 0 deletions(-)

    diff --git a/drivers/net/macb.c b/drivers/net/macb.c
    index 1d210ed..94bf2ba 100644
    --- a/drivers/net/macb.c
    +++ b/drivers/net/macb.c
    @@ -1275,8 +1275,45 @@ static int __exit macb_remove(struct platform_device *pdev)
    return 0;
    }

    +#ifdef CONFIG_PM
    +static int macb_suspend(struct platform_device *pdev, pm_message_t state)
    +{
    + struct net_device *netdev = platform_get_drvdata(pdev);
    + struct macb *bp = netdev_priv(netdev);
    +
    + netif_device_detach(netdev);
    +
    +#ifndef CONFIG_ARCH_AT91
    + clk_disable(bp->hclk);
    +#endif
    + clk_disable(bp->pclk);
    +
    + return 0;
    +}
    +
    +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);
    +#ifndef CONFIG_ARCH_AT91
    + clk_enable(bp->hclk);
    +#endif
    +
    + netif_device_attach(netdev);
    +
    + return 0;
    +}
    +#else
    +#define macb_suspend NULL
    +#define macb_resume NULL
    +#endif
    +
    static struct platform_driver macb_driver = {
    .remove = __exit_p(macb_remove),
    + .suspend = macb_suspend,
    + .resume = macb_resume,
    .driver = {
    .name = "macb",
    },
    --
    1.5.4.3


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