diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pcmcia/at91_cf.c | 75 |
1 files changed, 59 insertions, 16 deletions
diff --git a/drivers/pcmcia/at91_cf.c b/drivers/pcmcia/at91_cf.c index a4d50940ebe..5256342e853 100644 --- a/drivers/pcmcia/at91_cf.c +++ b/drivers/pcmcia/at91_cf.c @@ -214,11 +214,10 @@ static struct pccard_operations at91_cf_ops = { /*--------------------------------------------------------------------------*/ -static int __init at91_cf_probe(struct device *dev) +static int __init at91_cf_probe(struct platform_device *pdev) { struct at91_cf_socket *cf; - struct at91_cf_data *board = dev->platform_data; - struct platform_device *pdev = to_platform_device(dev); + struct at91_cf_data *board = pdev->dev.platform_data; struct resource *io; unsigned int csa; int status; @@ -236,7 +235,7 @@ static int __init at91_cf_probe(struct device *dev) cf->board = board; cf->pdev = pdev; - dev_set_drvdata(dev, cf); + platform_set_drvdata(pdev, cf); /* CF takes over CS4, CS5, CS6 */ csa = at91_sys_read(AT91_EBI_CSA); @@ -271,6 +270,7 @@ static int __init at91_cf_probe(struct device *dev) SA_SAMPLE_RANDOM, driver_name, cf); if (status < 0) goto fail0; + device_init_wakeup(&pdev->dev, 1); /* * The card driver will request this irq later as needed. @@ -301,7 +301,7 @@ static int __init at91_cf_probe(struct device *dev) board->det_pin, board->irq_pin); cf->socket.owner = THIS_MODULE; - cf->socket.dev.dev = dev; + cf->socket.dev.dev = &pdev->dev; cf->socket.ops = &at91_cf_ops; cf->socket.resource_ops = &pccard_static_ops; cf->socket.features = SS_CAP_PCCARD | SS_CAP_STATIC_MAP @@ -323,21 +323,25 @@ fail1: free_irq(board->irq_pin, cf); fail0a: free_irq(board->det_pin, cf); + device_init_wakeup(&pdev->dev, 0); fail0: at91_sys_write(AT91_EBI_CSA, csa); kfree(cf); return status; } -static int __exit at91_cf_remove(struct device *dev) +static int __exit at91_cf_remove(struct platform_device *pdev) { - struct at91_cf_socket *cf = dev_get_drvdata(dev); + struct at91_cf_socket *cf = platform_get_drvdata(pdev); + struct at91_cf_data *board = cf->board; struct resource *io = cf->socket.io[0].res; unsigned int csa; pcmcia_unregister_socket(&cf->socket); - free_irq(cf->board->irq_pin, cf); - free_irq(cf->board->det_pin, cf); + if (board->irq_pin) + free_irq(board->irq_pin, cf); + free_irq(board->det_pin, cf); + device_init_wakeup(&pdev->dev, 0); iounmap((void __iomem *) cf->socket.io_offset); release_mem_region(io->start, io->end + 1 - io->start); @@ -348,26 +352,65 @@ static int __exit at91_cf_remove(struct device *dev) return 0; } -static struct device_driver at91_cf_driver = { - .name = (char *) driver_name, - .bus = &platform_bus_type, +#ifdef CONFIG_PM + +static int at91_cf_suspend(struct platform_device *pdev, pm_message_t mesg) +{ + struct at91_cf_socket *cf = platform_get_drvdata(pdev); + struct at91_cf_data *board = cf->board; + + pcmcia_socket_dev_suspend(&pdev->dev, mesg); + if (device_may_wakeup(&pdev->dev)) + enable_irq_wake(board->det_pin); + else { + disable_irq_wake(board->det_pin); + disable_irq(board->det_pin); + } + if (board->irq_pin) + disable_irq(board->irq_pin); + return 0; +} + +static int at91_cf_resume(struct platform_device *pdev) +{ + struct at91_cf_socket *cf = platform_get_drvdata(pdev); + struct at91_cf_data *board = cf->board; + + if (board->irq_pin) + enable_irq(board->irq_pin); + if (!device_may_wakeup(&pdev->dev)) + enable_irq(board->det_pin); + pcmcia_socket_dev_resume(&pdev->dev); + return 0; +} + +#else +#define at91_cf_suspend NULL +#define at91_cf_resume NULL +#endif + +static struct platform_driver at91_cf_driver = { + .driver = { + .name = (char *) driver_name, + .owner = THIS_MODULE, + }, .probe = at91_cf_probe, .remove = __exit_p(at91_cf_remove), - .suspend = pcmcia_socket_dev_suspend, - .resume = pcmcia_socket_dev_resume, + .suspend = at91_cf_suspend, + .resume = at91_cf_resume, }; /*--------------------------------------------------------------------------*/ static int __init at91_cf_init(void) { - return driver_register(&at91_cf_driver); + return platform_driver_register(&at91_cf_driver); } module_init(at91_cf_init); static void __exit at91_cf_exit(void) { - driver_unregister(&at91_cf_driver); + platform_driver_unregister(&at91_cf_driver); } module_exit(at91_cf_exit); |