This patch uses usbhs_pipe_clear_without_sequence() instead of
usbhsf_fifo_clear() because usbhsf_fifo_clear() may not clear the pipe
buffer completely. This patch also changes the clearing condition from
DMA only to both DMA and PIO.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda...@renesas.com>
---
drivers/usb/renesas_usbhs/fifo.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c
index ff96c2e..5925d11 100644
--- a/drivers/usb/renesas_usbhs/fifo.c
+++ b/drivers/usb/renesas_usbhs/fifo.c
@@ -94,8 +94,6 @@ static struct usbhs_pkt *__usbhsf_pkt_get(struct usbhs_pipe
*pipe)
return list_first_entry_or_null(&pipe->list, struct usbhs_pkt, node);
}
-static void usbhsf_fifo_clear(struct usbhs_pipe *pipe,
- struct usbhs_fifo *fifo);
static void usbhsf_fifo_unselect(struct usbhs_pipe *pipe,
struct usbhs_fifo *fifo);
static struct dma_chan *usbhsf_dma_chan_get(struct usbhs_fifo *fifo,
@@ -124,10 +122,11 @@ struct usbhs_pkt *usbhs_pkt_pop(struct usbhs_pipe *pipe,
struct usbhs_pkt *pkt)
chan = usbhsf_dma_chan_get(fifo, pkt);
if (chan) {
dmaengine_terminate_all(chan);
- usbhsf_fifo_clear(pipe, fifo);
usbhsf_dma_unmap(pkt);
}
+ usbhs_pipe_clear_without_sequence(pipe, 0, 0);
+
__usbhsf_pkt_del(pkt);
}
--
1.9.1
--
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