aboutsummaryrefslogtreecommitdiff
path: root/drivers/usb/core/generic.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-07 19:23:21 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-07 19:23:21 -0800
commitc96e2c92072d3e78954c961f53d8c7352f7abbd7 (patch)
treed844f26f926ff40e98e9eae0e11fd71acad81df4 /drivers/usb/core/generic.c
parentf2aca47dc3c2d0c2d5dbd972558557e74232bbce (diff)
parent64358164f5bfe5e11d4040c1eb674c29e1436ce5 (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6: (70 commits) USB: remove duplicate device id from zc0301 USB: remove duplicate device id from usb_storage USB: remove duplicate device id from keyspan USB: remove duplicate device id from ftdi_sio USB: remove duplicate device id from visor USB: a bit more coding style cleanup usbcore: trivial whitespace fixes usb-storage: use first bulk endpoints, not last EHCI: fix interrupt-driven remote wakeup USB: switch ehci-hcd to new polling scheme USB: autosuspend for usb printer driver USB Input: Added kernel module to support all GTCO CalComp USB InterWrite School products USB: Sierra Wireless auto set D0 USB: usb ethernet gadget recognizes HUSB2DEV USB: list atmel husb2_udc gadget controller USB: gadgetfs AIO tweaks USB: gadgetfs behaves better on userspace init bug USB: gadgetfs race fix USB: gadgetfs simplifications USB: gadgetfs cleanups ...
Diffstat (limited to 'drivers/usb/core/generic.c')
-rw-r--r--drivers/usb/core/generic.c28
1 files changed, 20 insertions, 8 deletions
diff --git a/drivers/usb/core/generic.c b/drivers/usb/core/generic.c
index ebb20ff7ac5..b531a4fd30c 100644
--- a/drivers/usb/core/generic.c
+++ b/drivers/usb/core/generic.c
@@ -25,6 +25,20 @@ static inline const char *plural(int n)
return (n == 1 ? "" : "s");
}
+static int is_rndis(struct usb_interface_descriptor *desc)
+{
+ return desc->bInterfaceClass == USB_CLASS_COMM
+ && desc->bInterfaceSubClass == 2
+ && desc->bInterfaceProtocol == 0xff;
+}
+
+static int is_activesync(struct usb_interface_descriptor *desc)
+{
+ return desc->bInterfaceClass == USB_CLASS_MISC
+ && desc->bInterfaceSubClass == 1
+ && desc->bInterfaceProtocol == 1;
+}
+
static int choose_configuration(struct usb_device *udev)
{
int i;
@@ -87,14 +101,12 @@ static int choose_configuration(struct usb_device *udev)
continue;
}
- /* If the first config's first interface is COMM/2/0xff
- * (MSFT RNDIS), rule it out unless Linux has host-side
- * RNDIS support. */
- if (i == 0 && desc
- && desc->bInterfaceClass == USB_CLASS_COMM
- && desc->bInterfaceSubClass == 2
- && desc->bInterfaceProtocol == 0xff) {
-#ifndef CONFIG_USB_NET_RNDIS_HOST
+ /* When the first config's first interface is one of Microsoft's
+ * pet nonstandard Ethernet-over-USB protocols, ignore it unless
+ * this kernel has enabled the necessary host side driver.
+ */
+ if (i == 0 && desc && (is_rndis(desc) || is_activesync(desc))) {
+#if !defined(CONFIG_USB_NET_RNDIS_HOST) && !defined(CONFIG_USB_NET_RNDIS_HOST_MODULE)
continue;
#else
best = c;