Messages in this thread Patch in this message | | | From | Chunfeng Yun <> | Subject | [PATCH 3/6] usb: xhci-mtk: fix ISOC error when interval is zero | Date | Wed, 29 Aug 2018 10:55:15 +0800 |
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If the interval equal zero, needn't round up to power of two for the number of packets in each ESIT, so fix it.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> --- drivers/usb/host/xhci-mtk-sch.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/host/xhci-mtk-sch.c b/drivers/usb/host/xhci-mtk-sch.c index 46fe0a2..057f453 100644 --- a/drivers/usb/host/xhci-mtk-sch.c +++ b/drivers/usb/host/xhci-mtk-sch.c @@ -126,7 +126,9 @@ static void setup_sch_info(struct usb_device *udev, } if (ep_type == ISOC_IN_EP || ep_type == ISOC_OUT_EP) { - if (esit_pkts <= sch_ep->esit) + if (sch_ep->esit == 1) + sch_ep->pkts = esit_pkts; + else if (esit_pkts <= sch_ep->esit) sch_ep->pkts = 1; else sch_ep->pkts = roundup_pow_of_two(esit_pkts) -- 1.9.1
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