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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2021-06-07 18:37:29 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-07-29 18:29:14 +0300 |
| commit | 9b945d74a5fc14c1f9a7ae98c10921d48c194105 (patch) | |
| tree | 44cc109477064ef0be1ac2a899c3178eeb1e126e /drivers/pps/clients | |
| parent | fa11c81ce2a19b30af2fc16d3958efece4fd56d0 (diff) | |
| download | linux-9b945d74a5fc14c1f9a7ae98c10921d48c194105.tar.xz | |
pps: clients: parport: Switch to use module_parport_driver()
Switch to use module_parport_driver() to reduce boilerplate code.
Acked-by: Rodolfo Giometti <giometti@enneenne.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210607153729.58623-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/pps/clients')
| -rw-r--r-- | drivers/pps/clients/pps_parport.c | 42 |
1 files changed, 8 insertions, 34 deletions
diff --git a/drivers/pps/clients/pps_parport.c b/drivers/pps/clients/pps_parport.c index 7a41fb7b0dec..42f93d4c6ee3 100644 --- a/drivers/pps/clients/pps_parport.c +++ b/drivers/pps/clients/pps_parport.c @@ -22,8 +22,6 @@ #include <linux/parport.h> #include <linux/pps_kernel.h> -#define DRVDESC "parallel port PPS client" - /* module parameters */ #define CLEAR_WAIT_MAX 100 @@ -138,6 +136,12 @@ static void parport_attach(struct parport *port) .dev = NULL }; + if (clear_wait > CLEAR_WAIT_MAX) { + pr_err("clear_wait value should be not greater then %d\n", + CLEAR_WAIT_MAX); + return; + } + device = kzalloc(sizeof(struct pps_client_pp), GFP_KERNEL); if (!device) { pr_err("memory allocation failed, not attaching\n"); @@ -214,38 +218,8 @@ static struct parport_driver pps_parport_driver = { .detach = parport_detach, .devmodel = true, }; - -/* module staff */ - -static int __init pps_parport_init(void) -{ - int ret; - - pr_info(DRVDESC "\n"); - - if (clear_wait > CLEAR_WAIT_MAX) { - pr_err("clear_wait value should be not greater" - " then %d\n", CLEAR_WAIT_MAX); - return -EINVAL; - } - - ret = parport_register_driver(&pps_parport_driver); - if (ret) { - pr_err("unable to register with parport\n"); - return ret; - } - - return 0; -} - -static void __exit pps_parport_exit(void) -{ - parport_unregister_driver(&pps_parport_driver); -} - -module_init(pps_parport_init); -module_exit(pps_parport_exit); +module_parport_driver(pps_parport_driver); MODULE_AUTHOR("Alexander Gordeev <lasaine@lvk.cs.msu.su>"); -MODULE_DESCRIPTION(DRVDESC); +MODULE_DESCRIPTION("parallel port PPS client"); MODULE_LICENSE("GPL"); |