diff options
Diffstat (limited to 'arch/powerpc/platforms/pseries/cmm.c')
| -rw-r--r-- | arch/powerpc/platforms/pseries/cmm.c | 85 |
1 files changed, 37 insertions, 48 deletions
diff --git a/arch/powerpc/platforms/pseries/cmm.c b/arch/powerpc/platforms/pseries/cmm.c index f4803868642..2d8bf15879f 100644 --- a/arch/powerpc/platforms/pseries/cmm.c +++ b/arch/powerpc/platforms/pseries/cmm.c @@ -25,7 +25,6 @@ #include <linux/errno.h> #include <linux/fs.h> #include <linux/gfp.h> -#include <linux/init.h> #include <linux/kthread.h> #include <linux/module.h> #include <linux/oom.h> @@ -33,15 +32,14 @@ #include <linux/sched.h> #include <linux/stringify.h> #include <linux/swap.h> -#include <linux/sysdev.h> +#include <linux/device.h> #include <asm/firmware.h> #include <asm/hvcall.h> #include <asm/mmu.h> #include <asm/pgalloc.h> #include <asm/uaccess.h> #include <linux/memory.h> - -#include "plpar_wrappers.h" +#include <asm/plpar_wrappers.h> #define CMM_DRIVER_VERSION "1.0.0" #define CMM_DEFAULT_DELAY 1 @@ -65,7 +63,7 @@ static unsigned int oom_kb = CMM_OOM_KB; static unsigned int cmm_debug = CMM_DEBUG; static unsigned int cmm_disabled = CMM_DISABLE; static unsigned long min_mem_mb = CMM_MIN_MEM_MB; -static struct sys_device cmm_sysdev; +static struct device cmm_dev; MODULE_AUTHOR("Brian King <brking@linux.vnet.ibm.com>"); MODULE_DESCRIPTION("IBM System p Collaborative Memory Manager"); @@ -347,25 +345,25 @@ static int cmm_thread(void *dummy) } #define CMM_SHOW(name, format, args...) \ - static ssize_t show_##name(struct sys_device *dev, \ - struct sysdev_attribute *attr, \ + static ssize_t show_##name(struct device *dev, \ + struct device_attribute *attr, \ char *buf) \ { \ return sprintf(buf, format, ##args); \ } \ - static SYSDEV_ATTR(name, S_IRUGO, show_##name, NULL) + static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL) CMM_SHOW(loaned_kb, "%lu\n", PAGES2KB(loaned_pages)); CMM_SHOW(loaned_target_kb, "%lu\n", PAGES2KB(loaned_pages_target)); -static ssize_t show_oom_pages(struct sys_device *dev, - struct sysdev_attribute *attr, char *buf) +static ssize_t show_oom_pages(struct device *dev, + struct device_attribute *attr, char *buf) { return sprintf(buf, "%lu\n", PAGES2KB(oom_freed_pages)); } -static ssize_t store_oom_pages(struct sys_device *dev, - struct sysdev_attribute *attr, +static ssize_t store_oom_pages(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) { unsigned long val = simple_strtoul (buf, NULL, 10); @@ -379,17 +377,18 @@ static ssize_t store_oom_pages(struct sys_device *dev, return count; } -static SYSDEV_ATTR(oom_freed_kb, S_IWUSR| S_IRUGO, +static DEVICE_ATTR(oom_freed_kb, S_IWUSR | S_IRUGO, show_oom_pages, store_oom_pages); -static struct sysdev_attribute *cmm_attrs[] = { - &attr_loaned_kb, - &attr_loaned_target_kb, - &attr_oom_freed_kb, +static struct device_attribute *cmm_attrs[] = { + &dev_attr_loaned_kb, + &dev_attr_loaned_target_kb, + &dev_attr_oom_freed_kb, }; -static struct sysdev_class cmm_sysdev_class = { +static struct bus_type cmm_subsys = { .name = "cmm", + .dev_name = "cmm", }; /** @@ -398,21 +397,21 @@ static struct sysdev_class cmm_sysdev_class = { * Return value: * 0 on success / other on failure **/ -static int cmm_sysfs_register(struct sys_device *sysdev) +static int cmm_sysfs_register(struct device *dev) { int i, rc; - if ((rc = sysdev_class_register(&cmm_sysdev_class))) + if ((rc = subsys_system_register(&cmm_subsys, NULL))) return rc; - sysdev->id = 0; - sysdev->cls = &cmm_sysdev_class; + dev->id = 0; + dev->bus = &cmm_subsys; - if ((rc = sysdev_register(sysdev))) - goto class_unregister; + if ((rc = device_register(dev))) + goto subsys_unregister; for (i = 0; i < ARRAY_SIZE(cmm_attrs); i++) { - if ((rc = sysdev_create_file(sysdev, cmm_attrs[i]))) + if ((rc = device_create_file(dev, cmm_attrs[i]))) goto fail; } @@ -420,10 +419,10 @@ static int cmm_sysfs_register(struct sys_device *sysdev) fail: while (--i >= 0) - sysdev_remove_file(sysdev, cmm_attrs[i]); - sysdev_unregister(sysdev); -class_unregister: - sysdev_class_unregister(&cmm_sysdev_class); + device_remove_file(dev, cmm_attrs[i]); + device_unregister(dev); +subsys_unregister: + bus_unregister(&cmm_subsys); return rc; } @@ -431,14 +430,14 @@ class_unregister: * cmm_unregister_sysfs - Unregister from sysfs * **/ -static void cmm_unregister_sysfs(struct sys_device *sysdev) +static void cmm_unregister_sysfs(struct device *dev) { int i; for (i = 0; i < ARRAY_SIZE(cmm_attrs); i++) - sysdev_remove_file(sysdev, cmm_attrs[i]); - sysdev_unregister(sysdev); - sysdev_class_unregister(&cmm_sysdev_class); + device_remove_file(dev, cmm_attrs[i]); + device_unregister(dev); + bus_unregister(&cmm_subsys); } /** @@ -508,12 +507,7 @@ static int cmm_memory_isolate_cb(struct notifier_block *self, if (action == MEM_ISOLATE_COUNT) ret = cmm_count_pages(arg); - if (ret) - ret = notifier_from_errno(ret); - else - ret = NOTIFY_OK; - - return ret; + return notifier_from_errno(ret); } static struct notifier_block cmm_mem_isolate_nb = { @@ -635,12 +629,7 @@ static int cmm_memory_cb(struct notifier_block *self, break; } - if (ret) - ret = notifier_from_errno(ret); - else - ret = NOTIFY_OK; - - return ret; + return notifier_from_errno(ret); } static struct notifier_block cmm_mem_nb = { @@ -667,7 +656,7 @@ static int cmm_init(void) if ((rc = register_reboot_notifier(&cmm_reboot_nb))) goto out_oom_notifier; - if ((rc = cmm_sysfs_register(&cmm_sysdev))) + if ((rc = cmm_sysfs_register(&cmm_dev))) goto out_reboot_notifier; if (register_memory_notifier(&cmm_mem_nb) || @@ -688,7 +677,7 @@ static int cmm_init(void) out_unregister_notifier: unregister_memory_notifier(&cmm_mem_nb); unregister_memory_isolate_notifier(&cmm_mem_isolate_nb); - cmm_unregister_sysfs(&cmm_sysdev); + cmm_unregister_sysfs(&cmm_dev); out_reboot_notifier: unregister_reboot_notifier(&cmm_reboot_nb); out_oom_notifier: @@ -711,7 +700,7 @@ static void cmm_exit(void) unregister_memory_notifier(&cmm_mem_nb); unregister_memory_isolate_notifier(&cmm_mem_isolate_nb); cmm_free_pages(loaned_pages); - cmm_unregister_sysfs(&cmm_sysdev); + cmm_unregister_sysfs(&cmm_dev); } /** |