Signed-off-by: Kuninori Morimoto <morimoto.kuninori@xxxxxxxxxxx> --- drivers/usb/renesas_usbhs/fifo.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c index 2016a24..0e66f7a 100644 --- a/drivers/usb/renesas_usbhs/fifo.c +++ b/drivers/usb/renesas_usbhs/fifo.c @@ -633,6 +633,9 @@ static int usbhsf_dma_prepare_push(struct usbhs_pkt *pkt, int *is_done) if (len % 4) /* 32bit alignment */ goto usbhsf_pio_prepare_push; + if (((u32)pkt->buf + pkt->actual) & 0x7) /* 8byte alignment */ + goto usbhsf_pio_prepare_push; + /* get enable DMA fifo */ fifo = usbhsf_get_dma_fifo(priv, pkt); if (!fifo) @@ -708,6 +711,9 @@ static int usbhsf_dma_try_pop(struct usbhs_pkt *pkt, int *is_done) if (ret < 0) goto usbhsf_pio_prepare_pop; + if (((u32)pkt->buf + pkt->actual) & 0x7) /* 8byte alignment */ + goto usbhsf_pio_prepare_pop; + /* use PIO if packet is less than pio_dma_border */ len = usbhsf_fifo_rcv_len(priv, fifo); len = min(pkt->length - pkt->actual, len); -- 1.7.4.1 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
