On Saturday, January 12, 2013 7:11 PM, Peter Huewe wrote:
> 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@xxxxxx>
> ---
> drivers/staging/comedi/comedidev.h | 22 ++++++++++++++++++++++
> drivers/staging/comedi/drivers.c | 34 ++++++++++++++++++++++++++++++++++
> 2 files changed, 56 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h
> index 692e1e6..ccb22dd 100644
> --- a/drivers/staging/comedi/comedidev.h
> +++ b/drivers/staging/comedi/comedidev.h
> @@ -41,6 +41,9 @@
> #include <linux/io.h>
> #include <linux/timer.h>
> #include <linux/pci.h>
> +#include <pcmcia/cistpl.h>
> +#include <pcmcia/cisreg.h>
> +#include <pcmcia/ds.h>
Are these includes actually needed here?
We need to work on getting rid of relying on comedidev.h to include everything,
> #include <linux/usb.h>
>
> #include "comedi.h"
> @@ -342,6 +345,25 @@ 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))
>
> +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 50cf498..17a9e35 100644
> --- a/drivers/staging/comedi/drivers.c
> +++ b/drivers/staging/comedi/drivers.c
> @@ -24,6 +24,9 @@
> #include <linux/device.h>
> #include <linux/module.h>
> #include <linux/pci.h>
> +#include <pcmcia/cistpl.h>
> +#include <pcmcia/cisreg.h>
> +#include <pcmcia/ds.h>
> #include <linux/usb.h>
> #include <linux/errno.h>
> #include <linux/kconfig.h>
> @@ -958,6 +961,37 @@ void comedi_pci_driver_unregister(struct comedi_driver *comedi_driver,
> }
> EXPORT_SYMBOL_GPL(comedi_pci_driver_unregister);
>
> +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;
> +
> + /* FIXME: Remove this test after auditing all comedi pci drivers */
> + if (!pcmcia_driver->name)
> + pcmcia_driver->name = comedi_driver->driver_name;
This chunk should not be here. All the comedi pcmcia drivers have the 'name'
field properly initialized.
> +
> + 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);
> +
> #if IS_ENABLED(CONFIG_USB)
>
> int comedi_usb_driver_register(struct comedi_driver *comedi_driver,
Regards,
Hartley
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