Commit 5f47493c authored by Alan Stern's avatar Alan Stern Committed by Greg Kroah-Hartman
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USB: OHCI: turn off RD when remote wakeup is disabled



This patch (as1068b) disables the RD interrupt flag when an OHCI root
hub is suspended with remote wakeup disabled.  Although the spec
clearly states that this flag permits the controller to issue an
interrupt when a resume request from downstream is detected and not
when a local status change occurs, some controllers mistakenly use it
for both types of event.
Signed-off-by: default avatarAlan Stern <stern@rowland.harvard.edu>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 58a97ffe
......@@ -106,7 +106,8 @@ __acquires(ohci->lock)
if (ohci_to_hcd(ohci)->self.root_hub->do_remote_wakeup || autostop) {
ohci->hc_control |= OHCI_CTRL_RWE;
} else {
ohci_writel (ohci, OHCI_INTR_RHSC, &ohci->regs->intrdisable);
ohci_writel(ohci, OHCI_INTR_RHSC | OHCI_INTR_RD,
&ohci->regs->intrdisable);
ohci->hc_control &= ~OHCI_CTRL_RWE;
}
......
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