Some xHCI controller's reset time than 100ms,such as 120ms.
On the on hand, xHCI spec has not specified a timeout value.
Maybe setting xHCI HCRST and CNR bit clear timeout value larger
is a nice thing.As a compromise between compatibility and
latency,we can take 1000ms as a timeout value.
Signed-off-by: WeitaoWangoc <weitaowang...@zhaoxin.com>
---
src/hw/usb-xhci.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/hw/usb-xhci.c b/src/hw/usb-xhci.c
index 08d1e32..21d091f 100644
--- a/src/hw/usb-xhci.c
+++ b/src/hw/usb-xhci.c
@@ -467,9 +467,9 @@ configure_xhci(void *data)
dprintf(3, "%s: resetting\n", __func__);
writel(&xhci->op->usbcmd, XHCI_CMD_HCRST);
- if (wait_bit(&xhci->op->usbcmd, XHCI_CMD_HCRST, 0, 100) != 0)
+ if (wait_bit(&xhci->op->usbcmd, XHCI_CMD_HCRST, 0, 1000) != 0)
goto fail;
- if (wait_bit(&xhci->op->usbsts, XHCI_STS_CNR, 0, 100) != 0)
+ if (wait_bit(&xhci->op->usbsts, XHCI_STS_CNR, 0, 1000) != 0)
goto fail;
writel(&xhci->op->config, xhci->slots);
--
2.7.4
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