diff options
| author | David Howells <dhowells@redhat.com> | 2006-12-05 14:37:56 +0000 |
|---|---|---|
| committer | David Howells <dhowells@warthog.cambridge.redhat.com> | 2006-12-05 14:37:56 +0000 |
| commit | 4c1ac1b49122b805adfa4efc620592f68dccf5db (patch) | |
| tree | 87557f4bc2fd4fe65b7570489c2f610c45c0adcd /drivers/usb/host/ohci-hcd.c | |
| parent | c4028958b6ecad064b1a6303a6a5906d4fe48d73 (diff) | |
| parent | d916faace3efc0bf19fe9a615a1ab8fa1a24cd93 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
drivers/infiniband/core/iwcm.c
drivers/net/chelsio/cxgb2.c
drivers/net/wireless/bcm43xx/bcm43xx_main.c
drivers/net/wireless/prism54/islpci_eth.c
drivers/usb/core/hub.h
drivers/usb/input/hid-core.c
net/core/netpoll.c
Fix up merge failures with Linus's head and fix new compilation failures.
Signed-Off-By: David Howells <dhowells@redhat.com>
Diffstat (limited to 'drivers/usb/host/ohci-hcd.c')
| -rw-r--r-- | drivers/usb/host/ohci-hcd.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index ea4714e557e..a95275a401b 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -729,6 +729,16 @@ static irqreturn_t ohci_irq (struct usb_hcd *hcd) ohci->next_statechange = jiffies + STATECHANGE_DELAY; ohci_writel(ohci, OHCI_INTR_RD | OHCI_INTR_RHSC, ®s->intrstatus); + + /* NOTE: Vendors didn't always make the same implementation + * choices for RHSC. Many followed the spec; RHSC triggers + * on an edge, like setting and maybe clearing a port status + * change bit. With others it's level-triggered, active + * until khubd clears all the port status change bits. We'll + * always disable it here and rely on polling until khubd + * re-enables it. + */ + ohci_writel(ohci, OHCI_INTR_RHSC, ®s->intrdisable); usb_hcd_poll_rh_status(hcd); } |