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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

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This commit is contained in:
David S. Miller
2016-12-10 16:21:55 -05:00
parent 3174fed982 045169816b
commit 821781a9f4
80 changed files with 864 additions and 280 deletions
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21
drivers/net/usb/cdc_mbim.c
View File

@@ -602,6 +602,21 @@ static const struct driver_info cdc_mbim_info_ndp_to_end = {
.data = CDC_NCM_FLAG_NDP_TO_END,
};
/* Some modems (e.g. Telit LE922A6) do not work properly with altsetting
* toggle done in cdc_ncm_bind_common. CDC_MBIM_FLAG_AVOID_ALTSETTING_TOGGLE
* flag is used to avoid this procedure.
*/
static const struct driver_info cdc_mbim_info_avoid_altsetting_toggle = {
.description = "CDC MBIM",
.flags = FLAG_NO_SETINT | FLAG_MULTI_PACKET | FLAG_WWAN,
.bind = cdc_mbim_bind,
.unbind = cdc_mbim_unbind,
.manage_power = cdc_mbim_manage_power,
.rx_fixup = cdc_mbim_rx_fixup,
.tx_fixup = cdc_mbim_tx_fixup,
.data = CDC_MBIM_FLAG_AVOID_ALTSETTING_TOGGLE,
};
static const struct usb_device_id mbim_devs[] = {
/* This duplicate NCM entry is intentional. MBIM devices can
* be disguised as NCM by default, and this is necessary to
@@ -626,6 +641,12 @@ static const struct usb_device_id mbim_devs[] = {
{ USB_VENDOR_AND_INTERFACE_INFO(0x12d1, USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&cdc_mbim_info_ndp_to_end,
},
/* Telit LE922A6 in MBIM composition */
{ USB_DEVICE_AND_INTERFACE_INFO(0x1bc7, 0x1041, USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&cdc_mbim_info_avoid_altsetting_toggle,
},
/* default entry */
{ USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&cdc_mbim_info_zlp,

14
drivers/net/usb/cdc_ncm.c
View File

@@ -835,11 +835,18 @@ int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_
iface_no = ctx->data->cur_altsetting->desc.bInterfaceNumber;
/* Device-specific flags */
ctx->drvflags = drvflags;
/* Reset data interface. Some devices will not reset properly
* unless they are configured first. Toggle the altsetting to
* force a reset
* force a reset.
* Some other devices do not work properly with this procedure
* that can be avoided using quirk CDC_MBIM_FLAG_AVOID_ALTSETTING_TOGGLE
*/
usb_set_interface(dev->udev, iface_no, data_altsetting);
if (!(ctx->drvflags & CDC_MBIM_FLAG_AVOID_ALTSETTING_TOGGLE))
usb_set_interface(dev->udev, iface_no, data_altsetting);
temp = usb_set_interface(dev->udev, iface_no, 0);
if (temp) {
dev_dbg(&intf->dev, "set interface failed\n");
@@ -886,9 +893,6 @@ int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_
/* finish setting up the device specific data */
cdc_ncm_setup(dev);
/* Device-specific flags */
ctx->drvflags = drvflags;
/* Allocate the delayed NDP if needed. */
if (ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END) {
ctx->delayed_ndp16 = kzalloc(ctx->max_ndp_size, GFP_KERNEL);