diff options
| author | Hu hui <b29976@freescale.com> | 2010-11-08 17:01:36 +0800 |
|---|---|---|
| committer | Justin Waters <justin.waters@timesys.com> | 2010-12-13 16:10:45 -0500 |
| commit | 0f7e710ffdd78e81e633cb01f0130f1756db1edc (patch) | |
| tree | c9e1ecc3f5e63ec36a8f68c1b660b84cce9e311d | |
| parent | 3f24dc233eb22bc7bd93712ea4c6093d5a5ce438 (diff) | |
ENGR00133489 IMX USB-OTG:usb otg host mode wakeup may not work
when plug A-cable, but no usb device connect to the cable's receptacle,
then unplug the cable, and then plug the cable again, the wakeup
function can not work.
Signed-off-by: Hu Hui <b29976@freescale.com>
| -rw-r--r-- | drivers/usb/host/ehci-arc.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/usb/host/ehci-arc.c b/drivers/usb/host/ehci-arc.c index 5d17929253ad..090bcfbd9641 100644 --- a/drivers/usb/host/ehci-arc.c +++ b/drivers/usb/host/ehci-arc.c @@ -419,7 +419,6 @@ static int ehci_fsl_bus_resume(struct usb_hcd *hcd) return -ESHUTDOWN; } - /* if it is a remote wakeup, it will open clock and clear PHCD automatically */ if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) { set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); fsl_usb_clk_gate(hcd->self.controller->platform_data, true); @@ -631,7 +630,7 @@ static int ehci_fsl_drv_suspend(struct platform_device *pdev, } usb_unlock_device(roothub); - if ((pdata->operating_mode != FSL_USB2_MPH_HOST) && (!(hcd->state & HC_STATE_SUSPENDED))) { + if (!(hcd->state & HC_STATE_SUSPENDED)) { printk(KERN_DEBUG "will suspend roothub and its children\n"); usb_lock_device(roothub); usb_suspend(&roothub->dev, PMSG_USER_SUSPEND); @@ -659,6 +658,10 @@ static int ehci_fsl_drv_suspend(struct platform_device *pdev, /* clear PHCD bit */ pdata->pm_portsc &= ~PORT_PTS_PHCD; + + usb_host_set_wakeup(hcd->self.controller, true); + fsl_usb_lowpower_mode(pdata, true); + if (test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) { clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); fsl_usb_clk_gate(hcd->self.controller->platform_data, false); |