Hello, This patch was tested with Exynos4412 Odroid-U3 board for THOR usb gadget driver.
Best Regards, - Seung-Woo Kim > -----Original Message----- > From: Seung-Woo Kim [mailto:sw0312....@samsung.com] > Sent: Monday, July 31, 2017 6:08 PM > To: u-boot@lists.denx.de; lu...@denx.de; ma...@denx.de > Cc: sw0312....@samsung.com; xzy...@rock-chips.com; jh80.ch...@samsung.com > Subject: [PATCH] usb: dwc2: Align size of invalidating dcache before starting > DMA > > During using dwc2 usb gadget, if usb message size is too small, > following cache misaligned warning is shown: > > CACHE: Misaligned operation at range [bfdbcb00, bfdbcb04] > > Align size of invalidating dcache before starting DMA to remove the > warning. > > Signed-off-by: Seung-Woo Kim <sw0312....@samsung.com> > --- > drivers/usb/gadget/dwc2_udc_otg_xfer_dma.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/usb/gadget/dwc2_udc_otg_xfer_dma.c > b/drivers/usb/gadget/dwc2_udc_otg_xfer_dma.c > index 0d6d2fb..b6164af 100644 > --- a/drivers/usb/gadget/dwc2_udc_otg_xfer_dma.c > +++ b/drivers/usb/gadget/dwc2_udc_otg_xfer_dma.c > @@ -111,7 +111,8 @@ static int setdma_rx(struct dwc2_ep *ep, struct > dwc2_request *req) > ctrl = readl(®->out_endp[ep_num].doepctl); > > invalidate_dcache_range((unsigned long) ep->dma_buf, > - (unsigned long) ep->dma_buf + ep->len); > + (unsigned long) ep->dma_buf + > + ROUND(ep->len, CONFIG_SYS_CACHELINE_SIZE)); > > writel((unsigned int) ep->dma_buf, ®->out_endp[ep_num].doepdma); > writel(DOEPT_SIZ_PKT_CNT(pktcnt) | DOEPT_SIZ_XFER_SIZE(length), > -- > 1.7.9.5 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot