Merge tag 'usb-for-v4.1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-testing

Felipe writes:

usb: generic resume timeout for v4.1

This part 2 pull request contains only the patches
which make sure everybody on linux uses the same
resume timeout value.

Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Greg Kroah-Hartman
2015-04-10 13:45:27 +02:00
16 changed files with 59 additions and 28 deletions

View File

@@ -471,10 +471,13 @@ static int ehci_bus_resume (struct usb_hcd *hcd)
ehci_writel(ehci, temp, &ehci->regs->port_status [i]);
}
/* msleep for 20ms only if code is trying to resume port */
/*
* msleep for USB_RESUME_TIMEOUT ms only if code is trying to resume
* port
*/
if (resume_needed) {
spin_unlock_irq(&ehci->lock);
msleep(20);
msleep(USB_RESUME_TIMEOUT);
spin_lock_irq(&ehci->lock);
if (ehci->shutdown)
goto shutdown;
@@ -942,7 +945,7 @@ int ehci_hub_control(
temp &= ~PORT_WAKE_BITS;
ehci_writel(ehci, temp | PORT_RESUME, status_reg);
ehci->reset_done[wIndex] = jiffies
+ msecs_to_jiffies(20);
+ msecs_to_jiffies(USB_RESUME_TIMEOUT);
set_bit(wIndex, &ehci->resuming_ports);
usb_hcd_start_port_resume(&hcd->self, wIndex);
break;