diff options
| author | Peter Chen <peter.chen@nxp.com> | 2019-02-12 11:57:27 +0300 |
|---|---|---|
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2019-02-13 14:03:23 +0300 |
| commit | 0d1ec194721f844a6b20f7f4854332adcebc6fb9 (patch) | |
| tree | a052954f6bfb0d862f137147a96759933664ea56 /drivers/usb/misc/usbtest.c | |
| parent | c7152763f02e05567da27462b2277a554e507c89 (diff) | |
| download | linux-0d1ec194721f844a6b20f7f4854332adcebc6fb9.tar.xz | |
usb: misc: usbtest: add super-speed isoc support
The calculation of packet number within microframe is different between
high-speed and super-speed endpoint, we add support for super-speed
in this patch.
Cc: Pawel Laszczak <pawell@cadence.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/misc/usbtest.c')
| -rw-r--r-- | drivers/usb/misc/usbtest.c | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c index c7f82310e73e..98ada1a3425c 100644 --- a/drivers/usb/misc/usbtest.c +++ b/drivers/usb/misc/usbtest.c @@ -347,6 +347,14 @@ static unsigned get_maxpacket(struct usb_device *udev, int pipe) return le16_to_cpup(&ep->desc.wMaxPacketSize); } +static int ss_isoc_get_packet_num(struct usb_device *udev, int pipe) +{ + struct usb_host_endpoint *ep = usb_pipe_endpoint(udev, pipe); + + return USB_SS_MULT(ep->ss_ep_comp.bmAttributes) + * (1 + ep->ss_ep_comp.bMaxBurst); +} + static void simple_fill_buf(struct urb *urb) { unsigned i; @@ -1976,8 +1984,13 @@ static struct urb *iso_alloc_urb( if (bytes < 0 || !desc) return NULL; + maxp = usb_endpoint_maxp(desc); - maxp *= usb_endpoint_maxp_mult(desc); + if (udev->speed >= USB_SPEED_SUPER) + maxp *= ss_isoc_get_packet_num(udev, pipe); + else + maxp *= usb_endpoint_maxp_mult(desc); + packets = DIV_ROUND_UP(bytes, maxp); urb = usb_alloc_urb(packets, GFP_KERNEL); @@ -2065,17 +2078,24 @@ test_queue(struct usbtest_dev *dev, struct usbtest_param_32 *param, packets *= param->iterations; if (context.is_iso) { + int transaction_num; + + if (udev->speed >= USB_SPEED_SUPER) + transaction_num = ss_isoc_get_packet_num(udev, pipe); + else + transaction_num = usb_endpoint_maxp_mult(desc); + dev_info(&dev->intf->dev, "iso period %d %sframes, wMaxPacket %d, transactions: %d\n", 1 << (desc->bInterval - 1), - (udev->speed == USB_SPEED_HIGH) ? "micro" : "", + (udev->speed >= USB_SPEED_HIGH) ? "micro" : "", usb_endpoint_maxp(desc), - usb_endpoint_maxp_mult(desc)); + transaction_num); dev_info(&dev->intf->dev, "total %lu msec (%lu packets)\n", (packets * (1 << (desc->bInterval - 1))) - / ((udev->speed == USB_SPEED_HIGH) ? 8 : 1), + / ((udev->speed >= USB_SPEED_HIGH) ? 8 : 1), packets); } |