A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-14 16:46:15 -04:00
Code Issues Projects Releases Packages Wiki Activity

usb: core: Replace msleep with usleep_range

Browse source 
Since usleep_range provides better accuracy in
comparison to msleep. This helps in reducing
the latency of host bus resume.

Change-Id: Ie8d5231327fcc27ab2a28542e0d96687abb9aace
Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>
Signed-off-by: Pratham Pratap <prathampratap@codeaurora.org>
This commit is contained in:
Hemant Kumar 2016-11-08 15:42:13 -08:00 • committed by Pratham Pratap
commit d4f748eefb
1 changed files with 3 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

5
drivers/usb/core/hub.c
View file

@ -3568,7 +3568,8 @@ int usb_port_resume(struct usb_device *udev, pm_message_t msg)
/* drive resume for USB_RESUME_TIMEOUT msec */
dev_dbg(&udev->dev, "usb %sresume\n",
(PMSG_IS_AUTO(msg) ? "auto-" : ""));
msleep(USB_RESUME_TIMEOUT);
usleep_range(USB_RESUME_TIMEOUT * 1000,
(USB_RESUME_TIMEOUT + 1) * 1000);
/* Virtual root hubs can trigger on GET_PORT_STATUS to
* stop resume signaling. Then finish the resume
@ -3577,7 +3578,7 @@ int usb_port_resume(struct usb_device *udev, pm_message_t msg)
status = hub_port_status(hub, port1, &portstatus, &portchange);
/* TRSMRCY = 10 msec */
msleep(10);
usleep_range(10000, 10500);
}
SuspendCleared: