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Date: Mon, 23 Apr 2012 16:06:14 -0700 From: H Hartley Sweeten <hartleys@...ionengravers.com> To: Linux Kernel <linux-kernel@...r.kernel.org> CC: <devel@...verdev.osuosl.org>, <abbotti@....co.uk>, <fmhess@...rs.sourceforge.net>, <gregkh@...uxfoundation.org> Subject: [PATCH] staging: comedi: refactor adv_pci7123 driver to remove forward declarations Move the struct comedi_driver variable and the associated attach/detach routines to remove the need for the forward declarations. Signed-off-by: H Hartley Sweeten <hsweeten@...ionengravers.com> Cc: Ian Abbott <abbotti@....co.uk> Cc: Mori Hess <fmhess@...rs.sourceforge.net> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- diff --git a/drivers/staging/comedi/drivers/adv_pci1723.c b/drivers/staging/comedi/drivers/adv_pci1723.c index 4a4ae5f..54a3304 100644 --- a/drivers/staging/comedi/drivers/adv_pci1723.c +++ b/drivers/staging/comedi/drivers/adv_pci1723.c @@ -150,34 +150,6 @@ static const struct pci1723_board boardtypes[] = { }, }; -/* - * This is used by modprobe to translate PCI IDs to drivers. - * Should only be used for PCI and ISA-PnP devices - */ -static DEFINE_PCI_DEVICE_TABLE(pci1723_pci_table) = { - { PCI_DEVICE(PCI_VENDOR_ID_ADVANTECH, 0x1723) }, - { 0 } -}; - -MODULE_DEVICE_TABLE(pci, pci1723_pci_table); - -/* - * The struct comedi_driver structure tells the Comedi core module - * which functions to call to configure/deconfigure (attach/detach) - * the board, and also about the kernel module that contains - * the device code. - */ -static int pci1723_attach(struct comedi_device *dev, - struct comedi_devconfig *it); -static int pci1723_detach(struct comedi_device *dev); - -static struct comedi_driver driver_pci1723 = { - .driver_name = "adv_pci1723", - .module = THIS_MODULE, - .attach = pci1723_attach, - .detach = pci1723_detach, -}; - /* This structure is for data unique to this hardware driver. */ struct pci1723_private { int valid; /* card is usable; */ @@ -317,10 +289,6 @@ static int pci1723_dio_insn_bits(struct comedi_device *dev, return 2; } -/* - * Attach is called by the Comedi core to configure the driver - * for a pci1723 board. - */ static int pci1723_attach(struct comedi_device *dev, struct comedi_devconfig *it) { @@ -463,14 +431,6 @@ static int pci1723_attach(struct comedi_device *dev, return 0; } -/* - * _detach is called to deconfigure a device. It should deallocate - * resources. - * This function is also called when _attach() fails, so it should be - * careful not to release resources that were not necessarily - * allocated by _attach(). dev->private and dev->subdevices are - * deallocated automatically by the core. - */ static int pci1723_detach(struct comedi_device *dev) { printk(KERN_ERR "comedi%d: pci1723: remove\n", dev->minor); @@ -489,10 +449,13 @@ static int pci1723_detach(struct comedi_device *dev) return 0; } -/* - * A convenient macro that defines init_module() and cleanup_module(), - * as necessary. - */ +static struct comedi_driver driver_pci1723 = { + .driver_name = "adv_pci1723", + .module = THIS_MODULE, + .attach = pci1723_attach, + .detach = pci1723_detach, +}; + static int __devinit driver_pci1723_pci_probe(struct pci_dev *dev, const struct pci_device_id *ent) { @@ -504,10 +467,16 @@ static void __devexit driver_pci1723_pci_remove(struct pci_dev *dev) comedi_pci_auto_unconfig(dev); } +static DEFINE_PCI_DEVICE_TABLE(pci1723_pci_table) = { + { PCI_DEVICE(PCI_VENDOR_ID_ADVANTECH, 0x1723) }, + { 0 } +}; +MODULE_DEVICE_TABLE(pci, pci1723_pci_table); + static struct pci_driver driver_pci1723_pci_driver = { - .id_table = pci1723_pci_table, - .probe = &driver_pci1723_pci_probe, - .remove = __devexit_p(&driver_pci1723_pci_remove) + .id_table = pci1723_pci_table, + .probe = driver_pci1723_pci_probe, + .remove = __devexit_p(driver_pci1723_pci_remove), }; static int __init driver_pci1723_init_module(void) @@ -521,14 +490,13 @@ static int __init driver_pci1723_init_module(void) driver_pci1723_pci_driver.name = (char *)driver_pci1723.driver_name; return pci_register_driver(&driver_pci1723_pci_driver); } +module_init(driver_pci1723_init_module); static void __exit driver_pci1723_cleanup_module(void) { pci_unregister_driver(&driver_pci1723_pci_driver); comedi_driver_unregister(&driver_pci1723); } - -module_init(driver_pci1723_init_module); module_exit(driver_pci1723_cleanup_module); MODULE_AUTHOR("Comedi http://www.comedi.org"); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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