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Diffstat (limited to 'hw/usb')
-rw-r--r--hw/usb/hcd-ehci.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c
index f8ed80daee..3b602b04fa 100644
--- a/hw/usb/hcd-ehci.c
+++ b/hw/usb/hcd-ehci.c
@@ -1107,6 +1107,12 @@ static void ehci_mem_writel(void *ptr, target_phys_addr_t addr, uint32_t val)
/* Do any register specific pre-write processing here. */
switch(addr) {
case USBCMD:
+ if (val & USBCMD_HCRESET) {
+ ehci_reset(s);
+ val = s->usbcmd;
+ break;
+ }
+
if ((val & USBCMD_RUNSTOP) && !(s->usbcmd & USBCMD_RUNSTOP)) {
qemu_mod_timer(s->frame_timer, qemu_get_clock_ns(vm_clock));
SET_LAST_RUN_CLOCK(s);
@@ -1121,10 +1127,6 @@ static void ehci_mem_writel(void *ptr, target_phys_addr_t addr, uint32_t val)
ehci_set_usbsts(s, USBSTS_HALT);
}
- if (val & USBCMD_HCRESET) {
- ehci_reset(s);
- val = s->usbcmd;
- }
/* not supporting dynamic frame list size at the moment */
if ((val & USBCMD_FLS) && !(s->usbcmd & USBCMD_FLS)) {