From 9f0f1a0c096f29a856f2e6903beda45b44ce9cdd Mon Sep 17 00:00:00 2001 From: Gerd Hoffmann Date: Wed, 26 Jun 2013 17:05:06 +0200 Subject: uhci: egsm fix When the guest goes suspend the uhci controller while there are pending resume requests on the ports go signal global resume instantly. Signed-off-by: Gerd Hoffmann --- hw/usb/hcd-uhci.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'hw/usb/hcd-uhci.c') diff --git a/hw/usb/hcd-uhci.c b/hw/usb/hcd-uhci.c index cb44abc7bc..ac8283313e 100644 --- a/hw/usb/hcd-uhci.c +++ b/hw/usb/hcd-uhci.c @@ -189,6 +189,7 @@ typedef struct UHCI_QH { static void uhci_async_cancel(UHCIAsync *async); static void uhci_queue_fill(UHCIQueue *q, UHCI_TD *td); +static void uhci_resume(void *opaque); static inline int32_t uhci_queue_token(UHCI_TD *td) { @@ -498,6 +499,12 @@ static void uhci_port_write(void *opaque, hwaddr addr, return; } s->cmd = val; + if (val & UHCI_CMD_EGSM) { + if ((s->ports[0].ctrl & UHCI_PORT_RD) || + (s->ports[1].ctrl & UHCI_PORT_RD)) { + uhci_resume(s); + } + } break; case 0x02: s->status &= ~val; -- cgit v1.2.1