diff options
| author | David S. Miller <davem@davemloft.net> | 2017-12-09 22:09:55 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-12-09 22:09:55 -0500 |
| commit | 51e18a453f5f59a40c721d4aeab082b4e2e9fac6 (patch) | |
| tree | 540d37e6f7a83466677ab6095fcdd2d6f72583c4 /drivers/usb/core/hub.c | |
| parent | 5e54b3c1202765ae62de24a160f1eaf6b0ebf9d4 (diff) | |
| parent | f335195adf043168ee69d78ea72ac3e30f0c57ce (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflict was two parallel additions of include files to sch_generic.c,
no biggie.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/usb/core/hub.c')
| -rw-r--r-- | drivers/usb/core/hub.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 7ccdd3d4db84..cf7bbcb9a63c 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -4948,6 +4948,15 @@ loop: usb_put_dev(udev); if ((status == -ENOTCONN) || (status == -ENOTSUPP)) break; + + /* When halfway through our retry count, power-cycle the port */ + if (i == (SET_CONFIG_TRIES / 2) - 1) { + dev_info(&port_dev->dev, "attempt power cycle\n"); + usb_hub_set_port_power(hdev, hub, port1, false); + msleep(2 * hub_power_on_good_delay(hub)); + usb_hub_set_port_power(hdev, hub, port1, true); + msleep(hub_power_on_good_delay(hub)); + } } if (hub->hdev->parent || !hcd->driver->port_handed_over || |