diff options
Diffstat (limited to 'drivers/hwmon/via-cputemp.c')
-rw-r--r-- | drivers/hwmon/via-cputemp.c | 35 |
1 files changed, 16 insertions, 19 deletions
diff --git a/drivers/hwmon/via-cputemp.c b/drivers/hwmon/via-cputemp.c index ec7fad7..0d18de4 100644 --- a/drivers/hwmon/via-cputemp.c +++ b/drivers/hwmon/via-cputemp.c @@ -21,6 +21,8 @@ * 02110-1301 USA. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> @@ -202,7 +204,7 @@ static int __cpuinit via_cputemp_device_add(unsigned int cpu) pdev = platform_device_alloc(DRVNAME, cpu); if (!pdev) { err = -ENOMEM; - printk(KERN_ERR DRVNAME ": Device allocation failed\n"); + pr_err("Device allocation failed\n"); goto exit; } @@ -214,8 +216,7 @@ static int __cpuinit via_cputemp_device_add(unsigned int cpu) err = platform_device_add(pdev); if (err) { - printk(KERN_ERR DRVNAME ": Device addition failed (%d)\n", - err); + pr_err("Device addition failed (%d)\n", err); goto exit_device_free; } @@ -237,13 +238,16 @@ exit: static void __cpuinit via_cputemp_device_remove(unsigned int cpu) { - struct pdev_entry *p, *n; + struct pdev_entry *p; + mutex_lock(&pdev_list_mutex); - list_for_each_entry_safe(p, n, &pdev_list, list) { + list_for_each_entry(p, &pdev_list, list) { if (p->cpu == cpu) { platform_device_unregister(p->pdev); list_del(&p->list); + mutex_unlock(&pdev_list_mutex); kfree(p); + return; } } mutex_unlock(&pdev_list_mutex); @@ -273,7 +277,6 @@ static struct notifier_block via_cputemp_cpu_notifier __refdata = { static int __init via_cputemp_init(void) { int i, err; - struct pdev_entry *p, *n; if (cpu_data(0).x86_vendor != X86_VENDOR_CENTAUR) { printk(KERN_DEBUG DRVNAME ": Not a VIA CPU\n"); @@ -295,33 +298,27 @@ static int __init via_cputemp_init(void) continue; if (c->x86_model > 0x0f) { - printk(KERN_WARNING DRVNAME ": Unknown CPU " - "model 0x%x\n", c->x86_model); + pr_warn("Unknown CPU model 0x%x\n", c->x86_model); continue; } - err = via_cputemp_device_add(i); - if (err) - goto exit_devices_unreg; + via_cputemp_device_add(i); } + +#ifndef CONFIG_HOTPLUG_CPU if (list_empty(&pdev_list)) { err = -ENODEV; goto exit_driver_unreg; } +#endif register_hotcpu_notifier(&via_cputemp_cpu_notifier); return 0; -exit_devices_unreg: - mutex_lock(&pdev_list_mutex); - list_for_each_entry_safe(p, n, &pdev_list, list) { - platform_device_unregister(p->pdev); - list_del(&p->list); - kfree(p); - } - mutex_unlock(&pdev_list_mutex); +#ifndef CONFIG_HOTPLUG_CPU exit_driver_unreg: platform_driver_unregister(&via_cputemp_driver); +#endif exit: return err; } |