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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-27 05:40:19 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-27 05:40:19 +0400 |
| commit | f35c69b736e4f910d7447346980145212c283570 (patch) | |
| tree | 824b90cd870e6de07bbba19d761c1c74cf1fb4a7 /drivers/usb/host/xhci-mem.c | |
| parent | cd4373984a5903276f52777a6003425e023eaa7e (diff) | |
| parent | e4aa937ec75df0eea0bee03bffa3303ad36c986b (diff) | |
| download | linux-f35c69b736e4f910d7447346980145212c283570.tar.xz | |
Merge 3.10-rc3 into char-misc-next
We want the changes in here.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/xhci-mem.c')
| -rw-r--r-- | drivers/usb/host/xhci-mem.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 965b539bc474..2cfc465925bd 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -1423,15 +1423,17 @@ int xhci_endpoint_init(struct xhci_hcd *xhci, ep_ctx->ep_info2 |= cpu_to_le32(xhci_get_endpoint_type(udev, ep)); /* Set the max packet size and max burst */ + max_packet = GET_MAX_PACKET(usb_endpoint_maxp(&ep->desc)); + max_burst = 0; switch (udev->speed) { case USB_SPEED_SUPER: - max_packet = usb_endpoint_maxp(&ep->desc); - ep_ctx->ep_info2 |= cpu_to_le32(MAX_PACKET(max_packet)); /* dig out max burst from ep companion desc */ - max_packet = ep->ss_ep_comp.bMaxBurst; - ep_ctx->ep_info2 |= cpu_to_le32(MAX_BURST(max_packet)); + max_burst = ep->ss_ep_comp.bMaxBurst; break; case USB_SPEED_HIGH: + /* Some devices get this wrong */ + if (usb_endpoint_xfer_bulk(&ep->desc)) + max_packet = 512; /* bits 11:12 specify the number of additional transaction * opportunities per microframe (USB 2.0, section 9.6.6) */ @@ -1439,17 +1441,16 @@ int xhci_endpoint_init(struct xhci_hcd *xhci, usb_endpoint_xfer_int(&ep->desc)) { max_burst = (usb_endpoint_maxp(&ep->desc) & 0x1800) >> 11; - ep_ctx->ep_info2 |= cpu_to_le32(MAX_BURST(max_burst)); } - /* Fall through */ + break; case USB_SPEED_FULL: case USB_SPEED_LOW: - max_packet = GET_MAX_PACKET(usb_endpoint_maxp(&ep->desc)); - ep_ctx->ep_info2 |= cpu_to_le32(MAX_PACKET(max_packet)); break; default: BUG(); } + ep_ctx->ep_info2 |= cpu_to_le32(MAX_PACKET(max_packet) | + MAX_BURST(max_burst)); max_esit_payload = xhci_get_max_esit_payload(xhci, udev, ep); ep_ctx->tx_info = cpu_to_le32(MAX_ESIT_PAYLOAD_FOR_EP(max_esit_payload)); |