HcPeriodCurrentED is read-only, but Linux writes to it anyway; silently
ignore this rather than printing a warning message.
(Specifically, drivers/usb/host/ohci-hub.c:ohci_rh_resume() writes a
0, in at least kernels 2.6.25 through 2.6.39.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
ohci->hcca = val & OHCI_HCCA_MASK;
break;
+ case 7: /* HcPeriodCurrentED */
+ /* Ignore writes to this read-only register, Linux does them */
+ break;
+
case 8: /* HcControlHeadED */
ohci->ctrl_head = val & OHCI_EDPTR_MASK;
break;