On 05/17/2013 05:49 PM, Alan Stern wrote:
On Fri, 17 May 2013, Mathias Nyman wrote:
Adds abitilty to tune L1 timeout (inactivity timer for usb2 link sleep)
and BESL (best effort service latency)via sysfs.
This also adds a new usb2_lpm_parameters structure with those variables to
struct usb_device.
+static ssize_t
+set_usb2_lpm_l1_timeout(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct usb_device *udev = to_usb_device(dev);
+ int timeout;
+
+ if (sscanf(buf, "%d",&timeout) != 1 || timeout< 0 || timeout> 255)
+ return -EINVAL;
New code should use the kstrto* family of functions. You also could
remove a test if you declared timeout to be unsigned instead of int.
Thanks for the input, I'll make those changes and send a new version
-Mathias
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