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| author | Sonic Zhang <sonic.zhang@analog.com> | 2008-09-22 14:47:10 -0700 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2008-09-29 00:28:29 -0400 |
| commit | 67e3e221d61c0e70b2f244fd921e5e601d6c7339 (patch) | |
| tree | cdbcd3c30aa394eb0584ff4061ac23e69ead18c5 /drivers/ata | |
| parent | 47d692a946f12c299c21536fff6b39369311f002 (diff) | |
| download | kernel_samsung_crespo-67e3e221d61c0e70b2f244fd921e5e601d6c7339.zip kernel_samsung_crespo-67e3e221d61c0e70b2f244fd921e5e601d6c7339.tar.gz kernel_samsung_crespo-67e3e221d61c0e70b2f244fd921e5e601d6c7339.tar.bz2 | |
[libata] pata_bf54x: Add proper PM operation
[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>
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/pata_bf54x.c | 34 |
1 files changed, 27 insertions, 7 deletions
diff --git a/drivers/ata/pata_bf54x.c b/drivers/ata/pata_bf54x.c index d393290..1266924 100644 --- a/drivers/ata/pata_bf54x.c +++ b/drivers/ata/pata_bf54x.c @@ -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 }, }; |