diff options
| author | Jeff Garzik <jgarzik@pobox.com> | 2006-02-20 02:16:23 -0500 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2006-02-20 02:16:23 -0500 |
| commit | 5b2ffed906a3ebd4e52a5bbef06b99a517c53e4b (patch) | |
| tree | 2f900f89d93db6b0822d8bdf4f49851c581c12a6 /drivers/usb/host/pci-quirks.c | |
| parent | f1b318793dcd2d9ff6b5ac06e7762098fa079cee (diff) | |
| parent | bd71c2b17468a2531fb4c81ec1d73520845e97e1 (diff) | |
Merge branch 'master'
Diffstat (limited to 'drivers/usb/host/pci-quirks.c')
| -rw-r--r-- | drivers/usb/host/pci-quirks.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index e9e5bc178ce..118288d9442 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -191,8 +191,9 @@ static void __devinit quirk_usb_handoff_ohci(struct pci_dev *pdev) } if (wait_time <= 0) printk(KERN_WARNING "%s %s: BIOS handoff " - "failed (BIOS bug ?)\n", - pdev->dev.bus_id, "OHCI"); + "failed (BIOS bug ?) %08x\n", + pdev->dev.bus_id, "OHCI", + readl(base + OHCI_CONTROL)); /* reset controller, preserving RWC */ writel(control & OHCI_CTRL_RWC, base + OHCI_CONTROL); @@ -243,6 +244,12 @@ static void __devinit quirk_usb_disable_ehci(struct pci_dev *pdev) pr_debug("%s %s: BIOS handoff\n", pdev->dev.bus_id, "EHCI"); +#if 0 +/* aleksey_gorelov@phoenix.com reports that some systems need SMI forced on, + * but that seems dubious in general (the BIOS left it off intentionally) + * and is known to prevent some systems from booting. so we won't do this + * unless maybe we can determine when we're on a system that needs SMI forced. + */ /* BIOS workaround (?): be sure the * pre-Linux code receives the SMI */ @@ -252,6 +259,7 @@ static void __devinit quirk_usb_disable_ehci(struct pci_dev *pdev) pci_write_config_dword(pdev, offset + EHCI_USBLEGCTLSTS, val | EHCI_USBLEGCTLSTS_SOOE); +#endif } /* always say Linux will own the hardware @@ -274,8 +282,8 @@ static void __devinit quirk_usb_disable_ehci(struct pci_dev *pdev) * it down, and hope nothing goes too wrong */ printk(KERN_WARNING "%s %s: BIOS handoff " - "failed (BIOS bug ?)\n", - pdev->dev.bus_id, "EHCI"); + "failed (BIOS bug ?) %08x\n", + pdev->dev.bus_id, "EHCI", cap); pci_write_config_byte(pdev, offset + 2, 0); } |