diff options
| author | David S. Miller <davem@davemloft.net> | 2014-06-03 23:32:12 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-06-03 23:32:12 -0700 |
| commit | c99f7abf0e69987e4add567e155e042cb1f2a20b (patch) | |
| tree | d23898dc30ed25c1dae9bb6325041027d412397a /drivers/usb/core/hub.c | |
| parent | 92ff71b8fe9cd9c673615fc6f3870af7376d7c84 (diff) | |
| parent | d8b0426af5b67973585712c9af36b86f6ea97815 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
include/net/inetpeer.h
net/ipv6/output_core.c
Changes in net were fixing bugs in code removed in net-next.
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 | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 090469ebfcf..229a73f6430 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -1691,8 +1691,19 @@ static int hub_probe(struct usb_interface *intf, const struct usb_device_id *id) */ pm_runtime_set_autosuspend_delay(&hdev->dev, 0); - /* Hubs have proper suspend/resume support. */ - usb_enable_autosuspend(hdev); + /* + * Hubs have proper suspend/resume support, except for root hubs + * where the controller driver doesn't have bus_suspend and + * bus_resume methods. + */ + if (hdev->parent) { /* normal device */ + usb_enable_autosuspend(hdev); + } else { /* root hub */ + const struct hc_driver *drv = bus_to_hcd(hdev->bus)->driver; + + if (drv->bus_suspend && drv->bus_resume) + usb_enable_autosuspend(hdev); + } if (hdev->level == MAX_TOPO_LEVEL) { dev_err(&intf->dev, |