openkylin
/
qemu
mirror of https://gitee.com/openkylin/qemu.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

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 <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2013-06-26 17:05:06 +02:00
parent ed60ff024f
commit 9f0f1a0c09
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
hw/usb/hcd-uhci.c
View File

@ -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;