Hi Marek, On Thu, 2021-10-21 at 13:33 +0800, Chunfeng Yun wrote: > When allocate the GPD ring, and tell its address to the controller, > then > the driver starts or resumes the QMU, the controller will try to > access > the first GPD, so need flush the first one to avoid wrong GPD status. > > Reported-by: Xin Lin <xin....@mediatek.com> > Signed-off-by: Chunfeng Yun <chunfeng....@mediatek.com> > --- > drivers/usb/mtu3/mtu3_qmu.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/usb/mtu3/mtu3_qmu.c > b/drivers/usb/mtu3/mtu3_qmu.c > index 95eaf6d236..e8dc0095ab 100644 > --- a/drivers/usb/mtu3/mtu3_qmu.c > +++ b/drivers/usb/mtu3/mtu3_qmu.c > @@ -112,6 +112,7 @@ int mtu3_gpd_ring_alloc(struct mtu3_ep *mep) > memset(gpd, 0, QMU_GPD_RING_SIZE); > ring->dma = (dma_addr_t)gpd; > gpd_ring_init(ring, gpd); > + mtu3_flush_cache((uintptr_t)gpd, sizeof(*gpd)); > > return 0; > }
Could you please pick up this patch? Thanks
