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Commit 40679b3c authored by Viresh Kumar's avatar Viresh Kumar Committed by Jeff Garzik
Browse files

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: default avatarViresh Kumar <viresh.kumar@st.com>
Signed-off-by: default avatarJeff Garzik <jgarzik@redhat.com>
parent 97163873

drivers/ata/pata_arasan_cf.c

+4 −8
Original line number Diff line number Diff line
@@ -925,11 +925,10 @@ static int arasan_cf_suspend(struct device *dev) 
	struct ata_host *host = dev_get_drvdata(dev);

	struct arasan_cf_dev *acdev = host->ports[0]->private_data;



	if (acdev->dma_chan) {

	if (acdev->dma_chan)

		acdev->dma_chan->device->device_control(acdev->dma_chan,

				DMA_TERMINATE_ALL, 0);

		dma_release_channel(acdev->dma_chan);

	}



	cf_exit(acdev);

	return ata_host_suspend(host, PMSG_SUSPEND);

}
@@ -945,10 +944,7 @@ static int arasan_cf_resume(struct device *dev) 
	return 0;

}



static const struct dev_pm_ops arasan_cf_pm_ops = {

	.suspend	= arasan_cf_suspend,

	.resume		= arasan_cf_resume,

};

static SIMPLE_DEV_PM_OPS(arasan_cf_pm_ops, arasan_cf_suspend, arasan_cf_resume);

#endif



static struct platform_driver arasan_cf_driver = {