On 07/31/2017 06:33 PM, Łukasz Majewski wrote: > Hi Seung-Woo, > >> 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), >> > > Reviewed-by: Łukasz Majewski <lu...@denx.de>
Acked-by: Jaehoon Chung <jh80.ch...@samsung.com> Best Regards, Jaehoon Chung > _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
