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usb: hub port reset is also done when the port status reset bit is zero.

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* encountered on QEmu 1.6.50 with nec-usb-xhci and usb-storage devices.
This commit is contained in:
Jérôme Duval
2013-11-09 14:34:37 +01:00
parent f559e51835
commit c5e233d388
1 changed files with 6 additions and 3 deletions
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src/add-ons/kernel/bus_managers/usb/Hub.cpp
+6 -3
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@@ -157,14 +157,17 @@ Hub::ResetPort(uint8 index)
if (result < B_OK) if (result < B_OK)
return result; return result;
if (fPortStatus[index].change & PORT_STATUS_RESET) { if ((fPortStatus[index].change & PORT_STATUS_RESET) != 0
|| (fPortStatus[index].status & PORT_STATUS_RESET) == 0) {
// reset is done // reset is done
break; break;
} }
} }
if ((fPortStatus[index].change & PORT_STATUS_RESET) == 0) { if ((fPortStatus[index].change & PORT_STATUS_RESET) == 0
TRACE_ERROR("port %d won't reset\n", index); && (fPortStatus[index].status & PORT_STATUS_RESET) != 0) {
TRACE_ERROR("port %d won't reset (%#x, %#x)\n", index,
fPortStatus[index].change, fPortStatus[index].status);
return B_ERROR; return B_ERROR;
} }