diff options
Diffstat (limited to 'drivers/usb/gadget')
| -rw-r--r-- | drivers/usb/gadget/function/f_fs.c | 2 | ||||
| -rw-r--r-- | drivers/usb/gadget/function/f_uac2.c | 14 | ||||
| -rw-r--r-- | drivers/usb/gadget/legacy/inode.c | 7 |
3 files changed, 13 insertions, 10 deletions
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index 8260f38025b7..e20c19a0f106 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -831,7 +831,7 @@ static void ffs_user_copy_worker(struct work_struct *work) kthread_unuse_mm(io_data->mm); } - io_data->kiocb->ki_complete(io_data->kiocb, ret, ret); + io_data->kiocb->ki_complete(io_data->kiocb, ret); if (io_data->ffs->ffs_eventfd && !kiocb_has_eventfd) eventfd_signal(io_data->ffs->ffs_eventfd, 1); diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c index be864560bfea..ef55b8bb5870 100644 --- a/drivers/usb/gadget/function/f_uac2.c +++ b/drivers/usb/gadget/function/f_uac2.c @@ -674,11 +674,17 @@ static int set_ep_max_packet_size(const struct f_uac2_opts *uac2_opts, ssize = uac2_opts->c_ssize; } - if (!is_playback && (uac2_opts->c_sync == USB_ENDPOINT_SYNC_ASYNC)) + if (!is_playback && (uac2_opts->c_sync == USB_ENDPOINT_SYNC_ASYNC)) { + // Win10 requires max packet size + 1 frame srate = srate * (1000 + uac2_opts->fb_max) / 1000; - - max_size_bw = num_channels(chmask) * ssize * - DIV_ROUND_UP(srate, factor / (1 << (ep_desc->bInterval - 1))); + // updated srate is always bigger, therefore DIV_ROUND_UP always yields +1 + max_size_bw = num_channels(chmask) * ssize * + (DIV_ROUND_UP(srate, factor / (1 << (ep_desc->bInterval - 1)))); + } else { + // adding 1 frame provision for Win10 + max_size_bw = num_channels(chmask) * ssize * + (DIV_ROUND_UP(srate, factor / (1 << (ep_desc->bInterval - 1))) + 1); + } ep_desc->wMaxPacketSize = cpu_to_le16(min_t(u16, max_size_bw, max_size_ep)); diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c index 539220d7f5b6..78be94750232 100644 --- a/drivers/usb/gadget/legacy/inode.c +++ b/drivers/usb/gadget/legacy/inode.c @@ -469,7 +469,7 @@ static void ep_user_copy_worker(struct work_struct *work) ret = -EFAULT; /* completing the iocb can drop the ctx and mm, don't touch mm after */ - iocb->ki_complete(iocb, ret, ret); + iocb->ki_complete(iocb, ret); kfree(priv->buf); kfree(priv->to_free); @@ -496,11 +496,8 @@ static void ep_aio_complete(struct usb_ep *ep, struct usb_request *req) kfree(priv->to_free); kfree(priv); iocb->private = NULL; - /* aio_complete() reports bytes-transferred _and_ faults */ - iocb->ki_complete(iocb, - req->actual ? req->actual : (long)req->status, - req->status); + req->actual ? req->actual : (long)req->status); } else { /* ep_copy_to_user() won't report both; we hide some faults */ if (unlikely(0 != req->status)) |