diff options
Diffstat (limited to 'drivers/usb/host')
| -rw-r--r-- | drivers/usb/host/ehci-hub.c | 13 | ||||
| -rw-r--r-- | drivers/usb/host/fhci-tds.c | 6 |
2 files changed, 11 insertions, 8 deletions
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index c75d9270c75..19372673bf0 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -196,7 +196,9 @@ static int ehci_bus_suspend (struct usb_hcd *hcd) if (hostpc_reg) { u32 t3; + spin_unlock_irq(&ehci->lock); msleep(5);/* 5ms for HCD enter low pwr mode */ + spin_lock_irq(&ehci->lock); t3 = ehci_readl(ehci, hostpc_reg); ehci_writel(ehci, t3 | HOSTPC_PHCD, hostpc_reg); t3 = ehci_readl(ehci, hostpc_reg); @@ -904,17 +906,18 @@ static int ehci_hub_control ( if ((temp & PORT_PE) == 0 || (temp & PORT_RESET) != 0) goto error; - ehci_writel(ehci, temp | PORT_SUSPEND, status_reg); + /* After above check the port must be connected. * Set appropriate bit thus could put phy into low power * mode if we have hostpc feature */ + temp &= ~PORT_WKCONN_E; + temp |= PORT_WKDISC_E | PORT_WKOC_E; + ehci_writel(ehci, temp | PORT_SUSPEND, status_reg); if (hostpc_reg) { - temp &= ~PORT_WKCONN_E; - temp |= (PORT_WKDISC_E | PORT_WKOC_E); - ehci_writel(ehci, temp | PORT_SUSPEND, - status_reg); + spin_unlock_irqrestore(&ehci->lock, flags); msleep(5);/* 5ms for HCD enter low pwr mode */ + spin_lock_irqsave(&ehci->lock, flags); temp1 = ehci_readl(ehci, hostpc_reg); ehci_writel(ehci, temp1 | HOSTPC_PHCD, hostpc_reg); diff --git a/drivers/usb/host/fhci-tds.c b/drivers/usb/host/fhci-tds.c index d224ab467a4..e1232890c78 100644 --- a/drivers/usb/host/fhci-tds.c +++ b/drivers/usb/host/fhci-tds.c @@ -105,7 +105,7 @@ void fhci_ep0_free(struct fhci_usb *usb) if (ep->td_base) cpm_muram_free(cpm_muram_offset(ep->td_base)); - if (ep->conf_frame_Q) { + if (kfifo_initialized(&ep->conf_frame_Q)) { size = cq_howmany(&ep->conf_frame_Q); for (; size; size--) { struct packet *pkt = cq_get(&ep->conf_frame_Q); @@ -115,7 +115,7 @@ void fhci_ep0_free(struct fhci_usb *usb) cq_delete(&ep->conf_frame_Q); } - if (ep->empty_frame_Q) { + if (kfifo_initialized(&ep->empty_frame_Q)) { size = cq_howmany(&ep->empty_frame_Q); for (; size; size--) { struct packet *pkt = cq_get(&ep->empty_frame_Q); @@ -125,7 +125,7 @@ void fhci_ep0_free(struct fhci_usb *usb) cq_delete(&ep->empty_frame_Q); } - if (ep->dummy_packets_Q) { + if (kfifo_initialized(&ep->dummy_packets_Q)) { size = cq_howmany(&ep->dummy_packets_Q); for (; size; size--) { u8 *buff = cq_get(&ep->dummy_packets_Q); |