diff options
Diffstat (limited to 'drivers/char/hw_random/n2-drv.c')
| -rw-r--r-- | drivers/char/hw_random/n2-drv.c | 41 |
1 files changed, 14 insertions, 27 deletions
diff --git a/drivers/char/hw_random/n2-drv.c b/drivers/char/hw_random/n2-drv.c index ebd48f0135d..292a5889f67 100644 --- a/drivers/char/hw_random/n2-drv.c +++ b/drivers/char/hw_random/n2-drv.c @@ -7,7 +7,6 @@ #include <linux/module.h> #include <linux/types.h> #include <linux/delay.h> -#include <linux/init.h> #include <linux/slab.h> #include <linux/workqueue.h> #include <linux/preempt.h> @@ -25,7 +24,7 @@ #define DRV_MODULE_VERSION "0.2" #define DRV_MODULE_RELDATE "July 27, 2011" -static char version[] __devinitdata = +static char version[] = DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n"; MODULE_AUTHOR("David S. Miller (davem@davemloft.net)"); @@ -611,7 +610,7 @@ static void n2rng_work(struct work_struct *work) schedule_delayed_work(&np->work, HZ * 2); } -static void __devinit n2rng_driver_version(void) +static void n2rng_driver_version(void) { static int n2rng_version_printed; @@ -620,7 +619,7 @@ static void __devinit n2rng_driver_version(void) } static const struct of_device_id n2rng_match[]; -static int __devinit n2rng_probe(struct platform_device *op) +static int n2rng_probe(struct platform_device *op) { const struct of_device_id *match; int multi_capable; @@ -633,7 +632,7 @@ static int __devinit n2rng_probe(struct platform_device *op) multi_capable = (match->data != NULL); n2rng_driver_version(); - np = kzalloc(sizeof(*np), GFP_KERNEL); + np = devm_kzalloc(&op->dev, sizeof(*np), GFP_KERNEL); if (!np) goto out; np->op = op; @@ -654,7 +653,7 @@ static int __devinit n2rng_probe(struct platform_device *op) &np->hvapi_minor)) { dev_err(&op->dev, "Cannot register suitable " "HVAPI version.\n"); - goto out_free; + goto out; } } @@ -677,15 +676,16 @@ static int __devinit n2rng_probe(struct platform_device *op) dev_info(&op->dev, "Registered RNG HVAPI major %lu minor %lu\n", np->hvapi_major, np->hvapi_minor); - np->units = kzalloc(sizeof(struct n2rng_unit) * np->num_units, - GFP_KERNEL); + np->units = devm_kzalloc(&op->dev, + sizeof(struct n2rng_unit) * np->num_units, + GFP_KERNEL); err = -ENOMEM; if (!np->units) goto out_hvapi_unregister; err = n2rng_init_control(np); if (err) - goto out_free_units; + goto out_hvapi_unregister; dev_info(&op->dev, "Found %s RNG, units: %d\n", ((np->flags & N2RNG_FLAG_MULTI) ? @@ -698,30 +698,24 @@ static int __devinit n2rng_probe(struct platform_device *op) err = hwrng_register(&np->hwrng); if (err) - goto out_free_units; + goto out_hvapi_unregister; - dev_set_drvdata(&op->dev, np); + platform_set_drvdata(op, np); schedule_delayed_work(&np->work, 0); return 0; -out_free_units: - kfree(np->units); - np->units = NULL; - out_hvapi_unregister: sun4v_hvapi_unregister(HV_GRP_RNG); -out_free: - kfree(np); out: return err; } -static int __devexit n2rng_remove(struct platform_device *op) +static int n2rng_remove(struct platform_device *op) { - struct n2rng *np = dev_get_drvdata(&op->dev); + struct n2rng *np = platform_get_drvdata(op); np->flags |= N2RNG_FLAG_SHUTDOWN; @@ -731,13 +725,6 @@ static int __devexit n2rng_remove(struct platform_device *op) sun4v_hvapi_unregister(HV_GRP_RNG); - kfree(np->units); - np->units = NULL; - - kfree(np); - - dev_set_drvdata(&op->dev, NULL); - return 0; } @@ -767,7 +754,7 @@ static struct platform_driver n2rng_driver = { .of_match_table = n2rng_match, }, .probe = n2rng_probe, - .remove = __devexit_p(n2rng_remove), + .remove = n2rng_remove, }; module_platform_driver(n2rng_driver); |