diff options
Diffstat (limited to 'drivers/pci/proc.c')
| -rw-r--r-- | drivers/pci/proc.c | 27 |
1 files changed, 8 insertions, 19 deletions
diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c index 27911b55c2a5..9b8505ccc56d 100644 --- a/drivers/pci/proc.c +++ b/drivers/pci/proc.c @@ -76,6 +76,8 @@ proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *pp if (!access_ok(VERIFY_WRITE, buf, cnt)) return -EINVAL; + pci_config_pm_runtime_get(dev); + if ((pos & 1) && cnt) { unsigned char val; pci_user_read_config_byte(dev, pos, &val); @@ -121,6 +123,8 @@ proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *pp cnt--; } + pci_config_pm_runtime_put(dev); + *ppos = pos; return nbytes; } @@ -146,6 +150,8 @@ proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, lof if (!access_ok(VERIFY_READ, buf, cnt)) return -EINVAL; + pci_config_pm_runtime_get(dev); + if ((pos & 1) && cnt) { unsigned char val; __get_user(val, buf); @@ -191,6 +197,8 @@ proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, lof cnt--; } + pci_config_pm_runtime_put(dev); + *ppos = pos; i_size_write(ino, dp->size); return nbytes; @@ -434,25 +442,6 @@ int pci_proc_detach_device(struct pci_dev *dev) return 0; } -#if 0 -int pci_proc_attach_bus(struct pci_bus* bus) -{ - struct proc_dir_entry *de = bus->procdir; - - if (!proc_initialized) - return -EACCES; - - if (!de) { - char name[16]; - sprintf(name, "%02x", bus->number); - de = bus->procdir = proc_mkdir(name, proc_bus_pci_dir); - if (!de) - return -ENOMEM; - } - return 0; -} -#endif /* 0 */ - int pci_proc_detach_bus(struct pci_bus* bus) { struct proc_dir_entry *de = bus->procdir; |