diff options
| author | Grant Likely <grant.likely@secretlab.ca> | 2010-05-22 00:36:56 -0600 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2010-05-22 00:36:56 -0600 |
| commit | cf9b59e9d3e008591d1f54830f570982bb307a0d (patch) | |
| tree | 113478ce8fd8c832ba726ffdf59b82cb46356476 /drivers/usb/core/sysfs.c | |
| parent | 44504b2bebf8b5823c59484e73096a7d6574471d (diff) | |
| parent | f4b87dee923342505e1ddba8d34ce9de33e75050 (diff) | |
Merge remote branch 'origin' into secretlab/next-devicetree
Merging in current state of Linus' tree to deal with merge conflicts and
build failures in vio.c after merge.
Conflicts:
drivers/i2c/busses/i2c-cpm.c
drivers/i2c/busses/i2c-mpc.c
drivers/net/gianfar.c
Also fixed up one line in arch/powerpc/kernel/vio.c to use the
correct node pointer.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'drivers/usb/core/sysfs.c')
| -rw-r--r-- | drivers/usb/core/sysfs.c | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c index 43c002e3a9aa..448f5b47fc48 100644 --- a/drivers/usb/core/sysfs.c +++ b/drivers/usb/core/sysfs.c @@ -383,13 +383,24 @@ static DEVICE_ATTR(autosuspend, S_IRUGO | S_IWUSR, static const char on_string[] = "on"; static const char auto_string[] = "auto"; +static void warn_level(void) { + static int level_warned; + + if (!level_warned) { + level_warned = 1; + printk(KERN_WARNING "WARNING! power/level is deprecated; " + "use power/control instead\n"); + } +} + static ssize_t show_level(struct device *dev, struct device_attribute *attr, char *buf) { struct usb_device *udev = to_usb_device(dev); const char *p = auto_string; - if (udev->state != USB_STATE_SUSPENDED && udev->autosuspend_disabled) + warn_level(); + if (udev->state != USB_STATE_SUSPENDED && !udev->dev.power.runtime_auto) p = on_string; return sprintf(buf, "%s\n", p); } @@ -401,8 +412,9 @@ set_level(struct device *dev, struct device_attribute *attr, struct usb_device *udev = to_usb_device(dev); int len = count; char *cp; - int rc; + int rc = count; + warn_level(); cp = memchr(buf, '\n', count); if (cp) len = cp - buf; @@ -411,17 +423,17 @@ set_level(struct device *dev, struct device_attribute *attr, if (len == sizeof on_string - 1 && strncmp(buf, on_string, len) == 0) - rc = usb_disable_autosuspend(udev); + usb_disable_autosuspend(udev); else if (len == sizeof auto_string - 1 && strncmp(buf, auto_string, len) == 0) - rc = usb_enable_autosuspend(udev); + usb_enable_autosuspend(udev); else rc = -EINVAL; usb_unlock_device(udev); - return (rc < 0 ? rc : count); + return rc; } static DEVICE_ATTR(level, S_IRUGO | S_IWUSR, show_level, set_level); @@ -646,7 +658,8 @@ const struct attribute_group *usb_device_groups[] = { /* Binary descriptors */ static ssize_t -read_descriptors(struct kobject *kobj, struct bin_attribute *attr, +read_descriptors(struct file *filp, struct kobject *kobj, + struct bin_attribute *attr, char *buf, loff_t off, size_t count) { struct device *dev = container_of(kobj, struct device, kobj); |