diff options
| author | Chunfeng Yun <chunfeng.yun@mediatek.com> | 2018-09-20 19:13:32 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-28 15:04:45 +0200 |
| commit | 87173acc0d8f0987bda8827da35fff67f52ad15d (patch) | |
| tree | 27c00c138783732b71f49379996477d62dd9c493 /drivers/usb/host/xhci-mtk-sch.c | |
| parent | 7aae9990de20445e31f463836f26fdd02571740b (diff) | |
| download | linux-87173acc0d8f0987bda8827da35fff67f52ad15d.tar.bz2 | |
usb: xhci-mtk: fix ISOC error when interval is zero
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>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/xhci-mtk-sch.c')
| -rw-r--r-- | drivers/usb/host/xhci-mtk-sch.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci-mtk-sch.c b/drivers/usb/host/xhci-mtk-sch.c index 46fe0a200ca7..057f453e06c5 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) |