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[libata] pata_bf54x: Add proper PM operation

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[akpm@linux-foundation.org: remove ifdefs, make things static]
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Sonic Zhang 2008-09-22 14:47:10 -07:00 committed by Jeff Garzik
parent 47d692a946
commit 67e3e221d6
1 changed files with 27 additions and 7 deletions
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34
drivers/ata/pata_bf54x.c
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@ -1632,6 +1632,8 @@ static int __devinit bfin_atapi_probe(struct platform_device *pdev)
return -ENODEV;
}
dev_set_drvdata(&pdev->dev, host);
return 0;
}
@ -1648,6 +1650,7 @@ static int __devexit bfin_atapi_remove(struct platform_device *pdev)
struct ata_host *host = dev_get_drvdata(dev);
ata_host_detach(host);
dev_set_drvdata(&pdev->dev, NULL);
peripheral_free_list(atapi_io_port);
@ -1655,27 +1658,44 @@ static int __devexit bfin_atapi_remove(struct platform_device *pdev)
}
#ifdef CONFIG_PM
int bfin_atapi_suspend(struct platform_device *pdev, pm_message_t state)
static int bfin_atapi_suspend(struct platform_device *pdev, pm_message_t state)
{
return 0;
struct ata_host *host = dev_get_drvdata(&pdev->dev);
if (host)
return ata_host_suspend(host, state);
else
return 0;
}
int bfin_atapi_resume(struct platform_device *pdev)
static int bfin_atapi_resume(struct platform_device *pdev)
{
struct ata_host *host = dev_get_drvdata(&pdev->dev);
int ret;
if (host) {
ret = bfin_reset_controller(host);
if (ret) {
printk(KERN_ERR DRV_NAME ": Error during HW init\n");
return ret;
}
ata_host_resume(host);
}
return 0;
}
#else
#define bfin_atapi_suspend NULL
#define bfin_atapi_resume NULL
#endif
static struct platform_driver bfin_atapi_driver = {
.probe = bfin_atapi_probe,
.remove = __devexit_p(bfin_atapi_remove),
.suspend = bfin_atapi_suspend,
.resume = bfin_atapi_resume,
.driver = {
.name = DRV_NAME,
.owner = THIS_MODULE,
#ifdef CONFIG_PM
.suspend = bfin_atapi_suspend,
.resume = bfin_atapi_resume,
#endif
},
};