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Line
Link Here
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| 0 |
-- |
0 |
++ b/drivers/usb/host/pci-quirks.c |
| 1 |
-- a/drivers/usb/host/pci-quirks.c |
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Lines 191-198
static void __devinit quirk_usb_handoff_
Link Here
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| 191 |
} |
191 |
} |
| 192 |
if (wait_time <= 0) |
192 |
if (wait_time <= 0) |
| 193 |
printk(KERN_WARNING "%s %s: BIOS handoff " |
193 |
printk(KERN_WARNING "%s %s: BIOS handoff " |
| 194 |
"failed (BIOS bug ?)\n", |
194 |
"failed (BIOS bug ?) %08x\n", |
| 195 |
pdev->dev.bus_id, "OHCI"); |
195 |
pdev->dev.bus_id, "OHCI", |
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|
196 |
readl(base + OHCI_CONTROL)); |
| 196 |
|
197 |
|
| 197 |
/* reset controller, preserving RWC */ |
198 |
/* reset controller, preserving RWC */ |
| 198 |
writel(control & OHCI_CTRL_RWC, base + OHCI_CONTROL); |
199 |
writel(control & OHCI_CTRL_RWC, base + OHCI_CONTROL); |
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Lines 243-248
static void __devinit quirk_usb_disable_
Link Here
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| 243 |
pr_debug("%s %s: BIOS handoff\n", |
244 |
pr_debug("%s %s: BIOS handoff\n", |
| 244 |
pdev->dev.bus_id, "EHCI"); |
245 |
pdev->dev.bus_id, "EHCI"); |
| 245 |
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246 |
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|
247 |
#if 0 |
| 248 |
/* aleksey_gorelov@phoenix.com reports that some systems need SMI forced on, |
| 249 |
* but that seems dubious in general (the BIOS left it off intentionally) |
| 250 |
* and is known to prevent some systems from booting. so we won't do this |
| 251 |
* unless maybe we can determine when we're on a system that needs SMI forced. |
| 252 |
*/ |
| 246 |
/* BIOS workaround (?): be sure the |
253 |
/* BIOS workaround (?): be sure the |
| 247 |
* pre-Linux code receives the SMI |
254 |
* pre-Linux code receives the SMI |
| 248 |
*/ |
255 |
*/ |
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Lines 252-257
static void __devinit quirk_usb_disable_
Link Here
|
| 252 |
pci_write_config_dword(pdev, |
259 |
pci_write_config_dword(pdev, |
| 253 |
offset + EHCI_USBLEGCTLSTS, |
260 |
offset + EHCI_USBLEGCTLSTS, |
| 254 |
val | EHCI_USBLEGCTLSTS_SOOE); |
261 |
val | EHCI_USBLEGCTLSTS_SOOE); |
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|
262 |
#endif |
| 255 |
} |
263 |
} |
| 256 |
|
264 |
|
| 257 |
/* always say Linux will own the hardware |
265 |
/* always say Linux will own the hardware |
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Lines 274-281
static void __devinit quirk_usb_disable_
Link Here
|
| 274 |
* it down, and hope nothing goes too wrong |
282 |
* it down, and hope nothing goes too wrong |
| 275 |
*/ |
283 |
*/ |
| 276 |
printk(KERN_WARNING "%s %s: BIOS handoff " |
284 |
printk(KERN_WARNING "%s %s: BIOS handoff " |
| 277 |
"failed (BIOS bug ?)\n", |
285 |
"failed (BIOS bug ?) %08x\n", |
| 278 |
pdev->dev.bus_id, "EHCI"); |
286 |
pdev->dev.bus_id, "EHCI", cap); |
| 279 |
pci_write_config_byte(pdev, offset + 2, 0); |
287 |
pci_write_config_byte(pdev, offset + 2, 0); |
| 280 |
} |
288 |
} |
| 281 |
|
289 |
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