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| author | Paul Mackerras <paulus@samba.org> | 2006-02-24 14:05:47 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2006-02-24 14:05:47 +1100 |
| commit | a00428f5b149e36b8225b2a0812742a6dfb07b8c (patch) | |
| tree | a78869cd67cf78a0eb091fb0ea5d397734bd6738 /drivers/usb/host/pci-quirks.c | |
| parent | 774fee58c465ea1c7e9775e347ec307bcf2deeb3 (diff) | |
| parent | fb5c594c2acc441f0d2d8f457484a0e0e9285db3 (diff) | |
| download | linux-a00428f5b149e36b8225b2a0812742a6dfb07b8c.tar.gz linux-a00428f5b149e36b8225b2a0812742a6dfb07b8c.tar.bz2 linux-a00428f5b149e36b8225b2a0812742a6dfb07b8c.zip | |
Merge ../powerpc-merge
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 e9e5bc178cef..118288d94423 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); } |