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Merge tag 'usb-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Browse Source 
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()
  ...
This commit is contained in:
Linus Torvalds
2016-07-24 17:22:18 -07:00
parent 721413aff2 cb42b63d89
commit b7545b79a1
109 changed files with 5817 additions and 3786 deletions
Download Patch File Download Diff File Expand all files Collapse all files

138
drivers/net/usb/usbnet.c
View File

@@ -42,7 +42,6 @@
#include <linux/mii.h>
#include <linux/usb.h>
#include <linux/usb/usbnet.h>
#include <linux/usb/cdc.h>
#include <linux/slab.h>
#include <linux/kernel.h>
#include <linux/pm_runtime.h>
@@ -1972,143 +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.