ata/pata_arasan_cf: Add Hibernation support
This patch adds in Hibernation related callbacks. Also we don't really need to free DMA channel on suspend. Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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@ -925,11 +925,10 @@ static int arasan_cf_suspend(struct device *dev)
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struct ata_host *host = dev_get_drvdata(dev);
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struct arasan_cf_dev *acdev = host->ports[0]->private_data;
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if (acdev->dma_chan) {
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if (acdev->dma_chan)
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acdev->dma_chan->device->device_control(acdev->dma_chan,
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DMA_TERMINATE_ALL, 0);
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dma_release_channel(acdev->dma_chan);
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}
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cf_exit(acdev);
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return ata_host_suspend(host, PMSG_SUSPEND);
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}
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@ -945,10 +944,7 @@ static int arasan_cf_resume(struct device *dev)
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return 0;
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}
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static const struct dev_pm_ops arasan_cf_pm_ops = {
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.suspend = arasan_cf_suspend,
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.resume = arasan_cf_resume,
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};
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static SIMPLE_DEV_PM_OPS(arasan_cf_pm_ops, arasan_cf_suspend, arasan_cf_resume);
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#endif
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static struct platform_driver arasan_cf_driver = {
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@ -958,7 +954,7 @@ static struct platform_driver arasan_cf_driver = {
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.name = DRIVER_NAME,
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.owner = THIS_MODULE,
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#ifdef CONFIG_PM
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.pm = &arasan_cf_pm_ops,
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.pm = &arasan_cf_pm_ops,
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#endif
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},
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};
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