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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>
This commit is contained in:
Viresh Kumar 2012-02-23 15:03:53 +05:30 committed by Jeff Garzik
parent 9716387311
commit 40679b3ce9
1 changed files with 4 additions and 8 deletions
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12
drivers/ata/pata_arasan_cf.c
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@ -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 = {
@ -958,7 +954,7 @@ static struct platform_driver arasan_cf_driver = {
.name = DRIVER_NAME,
.owner = THIS_MODULE,
#ifdef CONFIG_PM
.pm = &arasan_cf_pm_ops,
.pm = &arasan_cf_pm_ops,
#endif
},
};