diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/host/ohci-hcd.c | 6 | ||||
| -rw-r--r-- | drivers/usb/host/ohci-omap.c | 2 | ||||
| -rw-r--r-- | drivers/usb/host/ohci.h | 1 |
3 files changed, 7 insertions, 2 deletions
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index 26bc47941d0..96fe76e9a6c 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -483,6 +483,9 @@ static int ohci_init (struct ohci_hcd *ohci) int ret; struct usb_hcd *hcd = ohci_to_hcd(ohci); + if (distrust_firmware) + ohci->flags |= OHCI_QUIRK_HUB_POWER; + disable (ohci); ohci->regs = hcd->regs; @@ -689,7 +692,8 @@ retry: temp |= RH_A_NOCP; temp &= ~(RH_A_POTPGT | RH_A_NPS); ohci_writel (ohci, temp, &ohci->regs->roothub.a); - } else if ((ohci->flags & OHCI_QUIRK_AMD756) || distrust_firmware) { + } else if ((ohci->flags & OHCI_QUIRK_AMD756) || + (ohci->flags & OHCI_QUIRK_HUB_POWER)) { /* hub power always on; required for AMD-756 and some * Mac platforms. ganged overcurrent reporting, if any. */ diff --git a/drivers/usb/host/ohci-omap.c b/drivers/usb/host/ohci-omap.c index 94dfca02f7e..5b2f17838ca 100644 --- a/drivers/usb/host/ohci-omap.c +++ b/drivers/usb/host/ohci-omap.c @@ -260,7 +260,7 @@ static int ohci_omap_init(struct usb_hcd *hcd) omap_cfg_reg(W4_USB_HIGHZ); } ohci_writel(ohci, rh, &ohci->regs->roothub.a); - distrust_firmware = 0; + ohci->flags &= ~OHCI_QUIRK_HUB_POWER; } else if (machine_is_nokia770()) { /* We require a self-powered hub, which should have * plenty of power. */ diff --git a/drivers/usb/host/ohci.h b/drivers/usb/host/ohci.h index dc544ddc784..73b4a44c272 100644 --- a/drivers/usb/host/ohci.h +++ b/drivers/usb/host/ohci.h @@ -399,6 +399,7 @@ struct ohci_hcd { #define OHCI_QUIRK_ZFMICRO 0x20 /* Compaq ZFMicro chipset*/ #define OHCI_QUIRK_NEC 0x40 /* lost interrupts */ #define OHCI_QUIRK_FRAME_NO 0x80 /* no big endian frame_no shift */ +#define OHCI_QUIRK_HUB_POWER 0x100 /* distrust firmware power/oc setup */ // there are also chip quirks/bugs in init logic struct work_struct nec_work; /* Worker for NEC quirk */ |