From: Linus Torvalds Date: Mon, 25 Jul 2016 00:22:18 +0000 (-0700) Subject: Merge tag 'usb-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb X-Git-Tag: Ubuntu-4.10.0-19.21~2989 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=b7545b79a1698b4cbcb5da94c105523b85ee7c90;hp=-c;p=mirror_ubuntu-artful-kernel.git Merge tag 'usb-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB updates from Greg KH: "Here's the big USB driver update for 4.8-rc1. Lots of the normal stuff in here, musb, gadget, xhci, and other updates and fixes. All of the details are in the shortlog. All of these have been in linux-next for a while with no reported issues" * tag 'usb-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (169 commits) cdc-acm: beautify probe() cdc-wdm: use the common CDC parser cdc-acm: cleanup error handling cdc-acm: use the common parser usbnet: move the CDC parser into USB core usb: musb: sunxi: Simplify dr_mode handling usb: musb: sunxi: make unexported symbols static usb: musb: cppi41: add dma channel tracepoints usb: musb: cppi41: move struct cppi41_dma_channel to header usb: musb: cleanup cppi_dma header usb: musb: gadget: add usb-request tracepoints usb: musb: host: add urb tracepoints usb: musb: add tracepoints to dump interrupt events usb: musb: add tracepoints for register access usb: musb: dsps: use musb register read/write wrappers instead usb: musb: switch dev_dbg to tracepoints usb: musb: add tracepoints support for debugging usb: quirks: Add no-lpm quirk for Elan phy: rcar-gen3-usb2: fix mutex_lock calling in interrupt phy: rockhip-usb: use devm_add_action_or_reset() ... --- b7545b79a1698b4cbcb5da94c105523b85ee7c90 diff --combined drivers/net/usb/usbnet.c index 6086a0163249,b56d78ab4139..3bfb59209326 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@@ -42,7 -42,6 +42,6 @@@ #include #include #include - #include #include #include #include @@@ -395,11 -394,8 +394,11 @@@ int usbnet_change_mtu (struct net_devic dev->hard_mtu = net->mtu + net->hard_header_len; if (dev->rx_urb_size == old_hard_mtu) { dev->rx_urb_size = dev->hard_mtu; - if (dev->rx_urb_size > old_rx_urb_size) + if (dev->rx_urb_size > old_rx_urb_size) { + usbnet_pause_rx(dev); usbnet_unlink_rx_urbs(dev); + usbnet_resume_rx(dev); + } } /* max qlen depend on hard_mtu and rx_urb_size */ @@@ -1511,9 -1507,8 +1510,9 @@@ static void usbnet_bh (unsigned long pa } else if (netif_running (dev->net) && netif_device_present (dev->net) && netif_carrier_ok(dev->net) && - !timer_pending (&dev->delay) && - !test_bit (EVENT_RX_HALT, &dev->flags)) { + !timer_pending(&dev->delay) && + !test_bit(EVENT_RX_PAUSED, &dev->flags) && + !test_bit(EVENT_RX_HALT, &dev->flags)) { int temp = dev->rxq.qlen; if (temp < RX_QLEN(dev)) { @@@ -1972,143 -1967,6 +1971,6 @@@ out return err; } - int cdc_parse_cdc_header(struct usb_cdc_parsed_header *hdr, - struct usb_interface *intf, - u8 *buffer, - int buflen) - { - /* duplicates are ignored */ - struct usb_cdc_union_desc *union_header = NULL; - - /* duplicates are not tolerated */ - struct usb_cdc_header_desc *header = NULL; - struct usb_cdc_ether_desc *ether = NULL; - struct usb_cdc_mdlm_detail_desc *detail = NULL; - struct usb_cdc_mdlm_desc *desc = NULL; - - unsigned int elength; - int cnt = 0; - - memset(hdr, 0x00, sizeof(struct usb_cdc_parsed_header)); - hdr->phonet_magic_present = false; - while (buflen > 0) { - elength = buffer[0]; - if (!elength) { - dev_err(&intf->dev, "skipping garbage byte\n"); - elength = 1; - goto next_desc; - } - if (buffer[1] != USB_DT_CS_INTERFACE) { - dev_err(&intf->dev, "skipping garbage\n"); - goto next_desc; - } - - switch (buffer[2]) { - case USB_CDC_UNION_TYPE: /* we've found it */ - if (elength < sizeof(struct usb_cdc_union_desc)) - goto next_desc; - if (union_header) { - dev_err(&intf->dev, "More than one union descriptor, skipping ...\n"); - goto next_desc; - } - union_header = (struct usb_cdc_union_desc *)buffer; - break; - case USB_CDC_COUNTRY_TYPE: - if (elength < sizeof(struct usb_cdc_country_functional_desc)) - goto next_desc; - hdr->usb_cdc_country_functional_desc = - (struct usb_cdc_country_functional_desc *)buffer; - break; - case USB_CDC_HEADER_TYPE: - if (elength != sizeof(struct usb_cdc_header_desc)) - goto next_desc; - if (header) - return -EINVAL; - header = (struct usb_cdc_header_desc *)buffer; - break; - case USB_CDC_ACM_TYPE: - if (elength < sizeof(struct usb_cdc_acm_descriptor)) - goto next_desc; - hdr->usb_cdc_acm_descriptor = - (struct usb_cdc_acm_descriptor *)buffer; - break; - case USB_CDC_ETHERNET_TYPE: - if (elength != sizeof(struct usb_cdc_ether_desc)) - goto next_desc; - if (ether) - return -EINVAL; - ether = (struct usb_cdc_ether_desc *)buffer; - break; - case USB_CDC_CALL_MANAGEMENT_TYPE: - if (elength < sizeof(struct usb_cdc_call_mgmt_descriptor)) - goto next_desc; - hdr->usb_cdc_call_mgmt_descriptor = - (struct usb_cdc_call_mgmt_descriptor *)buffer; - break; - case USB_CDC_DMM_TYPE: - if (elength < sizeof(struct usb_cdc_dmm_desc)) - goto next_desc; - hdr->usb_cdc_dmm_desc = - (struct usb_cdc_dmm_desc *)buffer; - break; - case USB_CDC_MDLM_TYPE: - if (elength < sizeof(struct usb_cdc_mdlm_desc *)) - goto next_desc; - if (desc) - return -EINVAL; - desc = (struct usb_cdc_mdlm_desc *)buffer; - break; - case USB_CDC_MDLM_DETAIL_TYPE: - if (elength < sizeof(struct usb_cdc_mdlm_detail_desc *)) - goto next_desc; - if (detail) - return -EINVAL; - detail = (struct usb_cdc_mdlm_detail_desc *)buffer; - break; - case USB_CDC_NCM_TYPE: - if (elength < sizeof(struct usb_cdc_ncm_desc)) - goto next_desc; - hdr->usb_cdc_ncm_desc = (struct usb_cdc_ncm_desc *)buffer; - break; - case USB_CDC_MBIM_TYPE: - if (elength < sizeof(struct usb_cdc_mbim_desc)) - goto next_desc; - - hdr->usb_cdc_mbim_desc = (struct usb_cdc_mbim_desc *)buffer; - break; - case USB_CDC_MBIM_EXTENDED_TYPE: - if (elength < sizeof(struct usb_cdc_mbim_extended_desc)) - break; - hdr->usb_cdc_mbim_extended_desc = - (struct usb_cdc_mbim_extended_desc *)buffer; - break; - case CDC_PHONET_MAGIC_NUMBER: - hdr->phonet_magic_present = true; - break; - default: - /* - * there are LOTS more CDC descriptors that - * could legitimately be found here. - */ - dev_dbg(&intf->dev, "Ignoring descriptor: type %02x, length %ud\n", - buffer[2], elength); - goto next_desc; - } - cnt++; - next_desc: - buflen -= elength; - buffer += elength; - } - hdr->usb_cdc_union_desc = union_header; - hdr->usb_cdc_header_desc = header; - hdr->usb_cdc_mdlm_detail_desc = detail; - hdr->usb_cdc_mdlm_desc = desc; - hdr->usb_cdc_ether_desc = ether; - return cnt; - } - - EXPORT_SYMBOL(cdc_parse_cdc_header); - /* * The function can't be called inside suspend/resume callback, * otherwise deadlock will be caused.