diff options
Diffstat (limited to 'drivers/idle/i7300_idle.c')
| -rw-r--r-- | drivers/idle/i7300_idle.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/drivers/idle/i7300_idle.c b/drivers/idle/i7300_idle.c index dd253002cd5..ffeebc7e9f1 100644 --- a/drivers/idle/i7300_idle.c +++ b/drivers/idle/i7300_idle.c @@ -18,6 +18,7 @@ #include <linux/module.h> #include <linux/pci.h> +#include <linux/gfp.h> #include <linux/sched.h> #include <linux/notifier.h> #include <linux/cpumask.h> @@ -74,7 +75,7 @@ static unsigned long past_skip; static struct pci_dev *fbd_dev; -static spinlock_t i7300_idle_lock; +static raw_spinlock_t i7300_idle_lock; static int i7300_idle_active; static u8 i7300_idle_thrtctl_saved; @@ -456,7 +457,7 @@ static int i7300_idle_notifier(struct notifier_block *nb, unsigned long val, idle_begin_time = ktime_get(); } - spin_lock_irqsave(&i7300_idle_lock, flags); + raw_spin_lock_irqsave(&i7300_idle_lock, flags); if (val == IDLE_START) { cpumask_set_cpu(smp_processor_id(), idle_cpumask); @@ -505,7 +506,7 @@ static int i7300_idle_notifier(struct notifier_block *nb, unsigned long val, } } end: - spin_unlock_irqrestore(&i7300_idle_lock, flags); + raw_spin_unlock_irqrestore(&i7300_idle_lock, flags); return 0; } @@ -515,12 +516,6 @@ static struct notifier_block i7300_idle_nb = { MODULE_DEVICE_TABLE(pci, pci_tbl); -int stats_open_generic(struct inode *inode, struct file *fp) -{ - fp->private_data = inode->i_private; - return 0; -} - static ssize_t stats_read_ul(struct file *fp, char __user *ubuf, size_t count, loff_t *off) { @@ -533,8 +528,9 @@ static ssize_t stats_read_ul(struct file *fp, char __user *ubuf, size_t count, } static const struct file_operations idle_fops = { - .open = stats_open_generic, + .open = simple_open, .read = stats_read_ul, + .llseek = default_llseek, }; struct debugfs_file_info { @@ -552,7 +548,7 @@ struct debugfs_file_info { static int __init i7300_idle_init(void) { - spin_lock_init(&i7300_idle_lock); + raw_spin_lock_init(&i7300_idle_lock); total_us = 0; if (i7300_idle_platform_probe(&fbd_dev, &ioat_dev, forceload)) |