diff options
| author | Peter Huewe <peterhuewe@gmx.de> | 2013-01-14 22:00:48 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-17 16:59:25 -0800 |
| commit | d607ffac4cbd22599f2b006465c722104cc1cd1b (patch) | |
| tree | f8958f24b19948b275e92a5e7657ab63143c0b7d /drivers | |
| parent | d1e1501e3129f215ec182bb0c69305655d429f80 (diff) | |
staging/comedi: Add macro for registering a comedi PCMCIA driver
This patch introduces a new macro 'module_comedi_pcmcia_driver'
for comedi PCMCIA drivers which do not do anything special in module
init/exit. This eliminates a lot of boilerplate.
Adapted from 'module_comedi_pci_driver'
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/comedi/comedidev.h | 21 | ||||
| -rw-r--r-- | drivers/staging/comedi/drivers.c | 32 |
2 files changed, 53 insertions, 0 deletions
diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h index 85b84b0d51dd..6211d440e457 100644 --- a/drivers/staging/comedi/comedidev.h +++ b/drivers/staging/comedi/comedidev.h @@ -316,6 +316,27 @@ void comedi_pci_driver_unregister(struct comedi_driver *, struct pci_driver *); module_driver(__comedi_driver, comedi_pci_driver_register, \ comedi_pci_driver_unregister, &(__pci_driver)) +struct pcmcia_driver; + +int comedi_pcmcia_driver_register(struct comedi_driver *, + struct pcmcia_driver *); +void comedi_pcmcia_driver_unregister(struct comedi_driver *, + struct pcmcia_driver *); + +/** + * module_comedi_pcmcia_driver() - Helper macro for registering a comedi PCMCIA driver + * @__comedi_driver: comedi_driver struct + * @__pcmcia_driver: pcmcia_driver struct + * + * Helper macro for comedi PCMCIA drivers which do not do anything special + * in module init/exit. This eliminates a lot of boilerplate. Each + * module may only use this macro once, and calling it replaces + * module_init() and module_exit() + */ +#define module_comedi_pcmcia_driver(__comedi_driver, __pcmcia_driver) \ + module_driver(__comedi_driver, comedi_pcmcia_driver_register, \ + comedi_pcmcia_driver_unregister, &(__pcmcia_driver)) + struct usb_driver; int comedi_usb_driver_register(struct comedi_driver *, struct usb_driver *); diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c index dca26f521fd0..8b681ac7b31d 100644 --- a/drivers/staging/comedi/drivers.c +++ b/drivers/staging/comedi/drivers.c @@ -24,6 +24,8 @@ #include <linux/device.h> #include <linux/module.h> #include <linux/pci.h> +#include <pcmcia/cistpl.h> +#include <pcmcia/ds.h> #include <linux/usb.h> #include <linux/errno.h> #include <linux/kconfig.h> @@ -556,6 +558,36 @@ void comedi_pci_driver_unregister(struct comedi_driver *comedi_driver, } EXPORT_SYMBOL_GPL(comedi_pci_driver_unregister); +#if IS_ENABLED(CONFIG_PCMCIA) +int comedi_pcmcia_driver_register(struct comedi_driver *comedi_driver, + struct pcmcia_driver *pcmcia_driver) +{ + int ret; + + ret = comedi_driver_register(comedi_driver); + if (ret < 0) + return ret; + + ret = pcmcia_register_driver(pcmcia_driver); + if (ret < 0) { + comedi_driver_unregister(comedi_driver); + return ret; + } + + return 0; +} +EXPORT_SYMBOL_GPL(comedi_pcmcia_driver_register); + +void comedi_pcmcia_driver_unregister(struct comedi_driver *comedi_driver, + struct pcmcia_driver *pcmcia_driver) +{ + pcmcia_unregister_driver(pcmcia_driver); + comedi_driver_unregister(comedi_driver); +} +EXPORT_SYMBOL_GPL(comedi_pcmcia_driver_unregister); + +#endif + #if IS_ENABLED(CONFIG_USB) int comedi_usb_driver_register(struct comedi_driver *comedi_driver, |