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author | Sudip Mukherjee | 2015-05-20 17:27:01 +0200 |
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committer | Greg Kroah-Hartman | 2015-06-01 00:10:23 +0200 |
commit | 9f4ba6b05869d085aab03ae84ac3ce0f7685008d (patch) | |
tree | d0f52bce6ef9f64654dcf8dd9bfda3c4bfbc152f /drivers/block/paride/paride.c | |
parent | i2c-parport: use new parport device model (diff) | |
download | kernel-qcow2-linux-9f4ba6b05869d085aab03ae84ac3ce0f7685008d.tar.gz kernel-qcow2-linux-9f4ba6b05869d085aab03ae84ac3ce0f7685008d.tar.xz kernel-qcow2-linux-9f4ba6b05869d085aab03ae84ac3ce0f7685008d.zip |
paride: use new parport device model
Modify paride driver to use the new parallel port device model.
Tested-by: Alan Cox <gnomes@lxorguk.ukuu.org.uk>
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/block/paride/paride.c')
-rw-r--r-- | drivers/block/paride/paride.c | 57 |
1 files changed, 51 insertions, 6 deletions
diff --git a/drivers/block/paride/paride.c b/drivers/block/paride/paride.c index 48c50f11f63b..0e287993b778 100644 --- a/drivers/block/paride/paride.c +++ b/drivers/block/paride/paride.c @@ -30,6 +30,7 @@ #include <linux/wait.h> #include <linux/sched.h> /* TASK_* */ #include <linux/parport.h> +#include <linux/slab.h> #include "paride.h" @@ -244,17 +245,19 @@ void paride_unregister(PIP * pr) EXPORT_SYMBOL(paride_unregister); -static int pi_register_parport(PIA * pi, int verbose) +static int pi_register_parport(PIA *pi, int verbose, int unit) { struct parport *port; + struct pardev_cb par_cb; port = parport_find_base(pi->port); if (!port) return 0; - - pi->pardev = parport_register_device(port, - pi->device, NULL, - pi_wake_up, NULL, 0, (void *) pi); + memset(&par_cb, 0, sizeof(par_cb)); + par_cb.wakeup = pi_wake_up; + par_cb.private = (void *)pi; + pi->pardev = parport_register_dev_model(port, pi->device, &par_cb, + unit); parport_put_port(port); if (!pi->pardev) return 0; @@ -311,7 +314,7 @@ static int pi_probe_unit(PIA * pi, int unit, char *scratch, int verbose) e = pi->proto->max_units; } - if (!pi_register_parport(pi, verbose)) + if (!pi_register_parport(pi, verbose, s)) return 0; if (pi->proto->test_port) { @@ -432,3 +435,45 @@ int pi_init(PIA * pi, int autoprobe, int port, int mode, } EXPORT_SYMBOL(pi_init); + +static int pi_probe(struct pardevice *par_dev) +{ + struct device_driver *drv = par_dev->dev.driver; + int len = strlen(drv->name); + + if (strncmp(par_dev->name, drv->name, len)) + return -ENODEV; + + return 0; +} + +void *pi_register_driver(char *name) +{ + struct parport_driver *parp_drv; + int ret; + + parp_drv = kzalloc(sizeof(*parp_drv), GFP_KERNEL); + if (!parp_drv) + return NULL; + + parp_drv->name = name; + parp_drv->probe = pi_probe; + parp_drv->devmodel = true; + + ret = parport_register_driver(parp_drv); + if (ret) { + kfree(parp_drv); + return NULL; + } + return (void *)parp_drv; +} +EXPORT_SYMBOL(pi_register_driver); + +void pi_unregister_driver(void *_drv) +{ + struct parport_driver *drv = _drv; + + parport_unregister_driver(drv); + kfree(drv); +} +EXPORT_SYMBOL(pi_unregister_driver); |