Merge 3.9-rc5 into tty-next

We need the fixes here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman
2013-04-01 12:01:10 -07:00
555 changed files with 6220 additions and 3116 deletions

View File

@@ -268,7 +268,7 @@ config USB_NET_SMSC75XX
select CRC16
select CRC32
help
This option adds support for SMSC LAN95XX based USB 2.0
This option adds support for SMSC LAN75XX based USB 2.0
Gigabit Ethernet adapters.
config USB_NET_SMSC95XX

View File

@@ -68,18 +68,9 @@ static int cdc_mbim_bind(struct usbnet *dev, struct usb_interface *intf)
struct cdc_ncm_ctx *ctx;
struct usb_driver *subdriver = ERR_PTR(-ENODEV);
int ret = -ENODEV;
u8 data_altsetting = CDC_NCM_DATA_ALTSETTING_NCM;
u8 data_altsetting = cdc_ncm_select_altsetting(dev, intf);
struct cdc_mbim_state *info = (void *)&dev->data;
/* see if interface supports MBIM alternate setting */
if (intf->num_altsetting == 2) {
if (!cdc_ncm_comm_intf_is_mbim(intf->cur_altsetting))
usb_set_interface(dev->udev,
intf->cur_altsetting->desc.bInterfaceNumber,
CDC_NCM_COMM_ALTSETTING_MBIM);
data_altsetting = CDC_NCM_DATA_ALTSETTING_MBIM;
}
/* Probably NCM, defer for cdc_ncm_bind */
if (!cdc_ncm_comm_intf_is_mbim(intf->cur_altsetting))
goto err;

View File

@@ -55,6 +55,14 @@
#define DRIVER_VERSION "14-Mar-2012"
#if IS_ENABLED(CONFIG_USB_NET_CDC_MBIM)
static bool prefer_mbim = true;
#else
static bool prefer_mbim;
#endif
module_param(prefer_mbim, bool, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(prefer_mbim, "Prefer MBIM setting on dual NCM/MBIM functions");
static void cdc_ncm_txpath_bh(unsigned long param);
static void cdc_ncm_tx_timeout_start(struct cdc_ncm_ctx *ctx);
static enum hrtimer_restart cdc_ncm_tx_timer_cb(struct hrtimer *hr_timer);
@@ -550,9 +558,12 @@ void cdc_ncm_unbind(struct usbnet *dev, struct usb_interface *intf)
}
EXPORT_SYMBOL_GPL(cdc_ncm_unbind);
static int cdc_ncm_bind(struct usbnet *dev, struct usb_interface *intf)
/* Select the MBIM altsetting iff it is preferred and available,
* returning the number of the corresponding data interface altsetting
*/
u8 cdc_ncm_select_altsetting(struct usbnet *dev, struct usb_interface *intf)
{
int ret;
struct usb_host_interface *alt;
/* The MBIM spec defines a NCM compatible default altsetting,
* which we may have matched:
@@ -568,23 +579,27 @@ static int cdc_ncm_bind(struct usbnet *dev, struct usb_interface *intf)
* endpoint descriptors, shall be constructed according to
* the rules given in section 6 (USB Device Model) of this
* specification."
*
* Do not bind to such interfaces, allowing cdc_mbim to handle
* them
*/
#if IS_ENABLED(CONFIG_USB_NET_CDC_MBIM)
if ((intf->num_altsetting == 2) &&
!usb_set_interface(dev->udev,
intf->cur_altsetting->desc.bInterfaceNumber,
CDC_NCM_COMM_ALTSETTING_MBIM)) {
if (cdc_ncm_comm_intf_is_mbim(intf->cur_altsetting))
return -ENODEV;
else
usb_set_interface(dev->udev,
intf->cur_altsetting->desc.bInterfaceNumber,
CDC_NCM_COMM_ALTSETTING_NCM);
if (prefer_mbim && intf->num_altsetting == 2) {
alt = usb_altnum_to_altsetting(intf, CDC_NCM_COMM_ALTSETTING_MBIM);
if (alt && cdc_ncm_comm_intf_is_mbim(alt) &&
!usb_set_interface(dev->udev,
intf->cur_altsetting->desc.bInterfaceNumber,
CDC_NCM_COMM_ALTSETTING_MBIM))
return CDC_NCM_DATA_ALTSETTING_MBIM;
}
#endif
return CDC_NCM_DATA_ALTSETTING_NCM;
}
EXPORT_SYMBOL_GPL(cdc_ncm_select_altsetting);
static int cdc_ncm_bind(struct usbnet *dev, struct usb_interface *intf)
{
int ret;
/* MBIM backwards compatible function? */
cdc_ncm_select_altsetting(dev, intf);
if (cdc_ncm_comm_intf_is_mbim(intf->cur_altsetting))
return -ENODEV;
/* NCM data altsetting is always 1 */
ret = cdc_ncm_bind_common(dev, intf, 1);

View File

@@ -139,16 +139,9 @@ static int qmi_wwan_bind(struct usbnet *dev, struct usb_interface *intf)
BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data) < sizeof(struct qmi_wwan_state)));
/* control and data is shared? */
if (intf->cur_altsetting->desc.bNumEndpoints == 3) {
info->control = intf;
info->data = intf;
goto shared;
}
/* else require a single interrupt status endpoint on control intf */
if (intf->cur_altsetting->desc.bNumEndpoints != 1)
goto err;
/* set up initial state */
info->control = intf;
info->data = intf;
/* and a number of CDC descriptors */
while (len > 3) {
@@ -207,25 +200,14 @@ next_desc:
buf += h->bLength;
}
/* did we find all the required ones? */
if (!(found & (1 << USB_CDC_HEADER_TYPE)) ||
!(found & (1 << USB_CDC_UNION_TYPE))) {
dev_err(&intf->dev, "CDC functional descriptors missing\n");
goto err;
}
/* verify CDC Union */
if (desc->bInterfaceNumber != cdc_union->bMasterInterface0) {
dev_err(&intf->dev, "bogus CDC Union: master=%u\n", cdc_union->bMasterInterface0);
goto err;
}
/* need to save these for unbind */
info->control = intf;
info->data = usb_ifnum_to_if(dev->udev, cdc_union->bSlaveInterface0);
if (!info->data) {
dev_err(&intf->dev, "bogus CDC Union: slave=%u\n", cdc_union->bSlaveInterface0);
goto err;
/* Use separate control and data interfaces if we found a CDC Union */
if (cdc_union) {
info->data = usb_ifnum_to_if(dev->udev, cdc_union->bSlaveInterface0);
if (desc->bInterfaceNumber != cdc_union->bMasterInterface0 || !info->data) {
dev_err(&intf->dev, "bogus CDC Union: master=%u, slave=%u\n",
cdc_union->bMasterInterface0, cdc_union->bSlaveInterface0);
goto err;
}
}
/* errors aren't fatal - we can live with the dynamic address */
@@ -235,11 +217,12 @@ next_desc:
}
/* claim data interface and set it up */
status = usb_driver_claim_interface(driver, info->data, dev);
if (status < 0)
goto err;
if (info->control != info->data) {
status = usb_driver_claim_interface(driver, info->data, dev);
if (status < 0)
goto err;
}
shared:
status = qmi_wwan_register_subdriver(dev);
if (status < 0 && info->control != info->data) {
usb_set_intfdata(info->data, NULL);