From 2c1c3c4cd5f796b1912c65aaf3bf48c0ddf11f5e Mon Sep 17 00:00:00 2001 From: David Brownell Date: Mon, 7 Nov 2005 15:24:46 -0800 Subject: [PATCH] USB: EHCI updates (4/4) driver model wakeup flags This teaches the EHCI driver to use the new driver model wakeup flags, replacing the similar ones in the HCD glue. It also adds a workaround for the current glitch whereby PCI init doesn't init the wakeup flags from the PCI PM capabilities. (EHCI controllers don't worry about legacy mode; the PCI PM capability would always do the job.) Signed-off-by: David Brownell Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-pci.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) (limited to 'drivers/usb/host/ehci-pci.c') diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index 13f73a836e4..ac088bc72f1 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -210,7 +210,16 @@ static int ehci_pci_setup(struct usb_hcd *hcd) /* Serial Bus Release Number is at PCI 0x60 offset */ pci_read_config_byte(pdev, 0x60, &ehci->sbrn); - /* REVISIT: per-port wake capability (PCI 0x62) currently unused */ + /* Workaround current PCI init glitch: wakeup bits aren't + * being set from PCI PM capability. + */ + if (!device_can_wakeup(&pdev->dev)) { + u16 port_wake; + + pci_read_config_word(pdev, 0x62, &port_wake); + if (port_wake & 0x0001) + device_init_wakeup(&pdev->dev, 1); + } retval = ehci_pci_reinit(ehci, pdev); done: -- cgit v1.2.3-70-g09d2