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authorDmitry Baryshkov <dbaryshkov@gmail.com>2008-07-06 23:35:01 +0400
committerGreg Kroah-Hartman <gregkh@suse.de>2008-08-13 17:32:52 -0700
commit1133cd8adf34709e1857d1491e9fae5597b51ad5 (patch)
tree1de6dd95736ca7bc899b716b2aeb50aa760bddb4 /drivers/usb
parentf0fa74634c0c686618b5318748bde233772a1a8d (diff)
USB: ohci: make distrust_firmware a quirk
Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com> Acked-by: David Brownell <dbrownell@users.sourceforge.net> Cc: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/host/ohci-hcd.c6
-rw-r--r--drivers/usb/host/ohci-omap.c2
-rw-r--r--drivers/usb/host/ohci.h1
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 */