diff options
Diffstat (limited to 'drivers/usb/host/uhci-hub.c')
| -rw-r--r-- | drivers/usb/host/uhci-hub.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/usb/host/uhci-hub.c b/drivers/usb/host/uhci-hub.c index 152971d1676..c8451d9578f 100644 --- a/drivers/usb/host/uhci-hub.c +++ b/drivers/usb/host/uhci-hub.c @@ -85,11 +85,10 @@ static void uhci_finish_suspend(struct uhci_hcd *uhci, int port, { int status; - if (test_bit(port, &uhci->suspended_ports)) { + if (inw(port_addr) & (USBPORTSC_SUSP | USBPORTSC_RD)) { CLR_RH_PORTSTAT(USBPORTSC_SUSP | USBPORTSC_RD); - clear_bit(port, &uhci->suspended_ports); - clear_bit(port, &uhci->resuming_ports); - set_bit(port, &uhci->port_c_suspend); + if (test_bit(port, &uhci->resuming_ports)) + set_bit(port, &uhci->port_c_suspend); /* The controller won't actually turn off the RD bit until * it has had a chance to send a low-speed EOP sequence, @@ -97,6 +96,7 @@ static void uhci_finish_suspend(struct uhci_hcd *uhci, int port, * slightly longer for good luck. */ udelay(4); } + clear_bit(port, &uhci->resuming_ports); } /* Wait for the UHCI controller in HP's iLO2 server management chip. @@ -265,8 +265,6 @@ static int uhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, wPortChange |= USB_PORT_STAT_C_SUSPEND; lstatus |= 1; } - if (test_bit(port, &uhci->suspended_ports)) - lstatus |= 2; if (test_bit(port, &uhci->resuming_ports)) lstatus |= 4; @@ -309,7 +307,6 @@ static int uhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, switch (wValue) { case USB_PORT_FEAT_SUSPEND: - set_bit(port, &uhci->suspended_ports); SET_RH_PORTSTAT(USBPORTSC_SUSP); OK(0); case USB_PORT_FEAT_RESET: @@ -343,8 +340,11 @@ static int uhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, CLR_RH_PORTSTAT(USBPORTSC_PEC); OK(0); case USB_PORT_FEAT_SUSPEND: - if (test_bit(port, &uhci->suspended_ports) && - !test_and_set_bit(port, + if (!(inw(port_addr) & USBPORTSC_SUSP)) { + + /* Make certain the port isn't suspended */ + uhci_finish_suspend(uhci, port, port_addr); + } else if (!test_and_set_bit(port, &uhci->resuming_ports)) { SET_RH_PORTSTAT(USBPORTSC_RD); |