diff options
| author | David Woodhouse <David.Woodhouse@intel.com> | 2009-12-08 09:58:33 +0000 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2009-12-08 09:59:24 +0000 |
| commit | ec208491936d6adb8a70c3dd4a517cdfe54e823d (patch) | |
| tree | c7291450e8e559c5fbf3360df30999432204af3c /drivers/usb/serial/ipaq.c | |
| parent | aa697079ee66315c4b9747a5eb3e48487fb1b8be (diff) | |
| parent | 7b626acb8f983eb83b396ab96cc24b18d635d487 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Merge the BIOS workarounds from 2.6.32, and the swiotlb fallback on failure.
Diffstat (limited to 'drivers/usb/serial/ipaq.c')
| -rw-r--r-- | drivers/usb/serial/ipaq.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/usb/serial/ipaq.c b/drivers/usb/serial/ipaq.c index 24fcc64b837..d6231c38813 100644 --- a/drivers/usb/serial/ipaq.c +++ b/drivers/usb/serial/ipaq.c @@ -966,6 +966,15 @@ static int ipaq_calc_num_ports(struct usb_serial *serial) static int ipaq_startup(struct usb_serial *serial) { dbg("%s", __func__); + + /* Some of the devices in ipaq_id_table[] are composite, and we + * shouldn't bind to all the interfaces. This test will rule out + * some obviously invalid possibilities. + */ + if (serial->num_bulk_in < serial->num_ports || + serial->num_bulk_out < serial->num_ports) + return -ENODEV; + if (serial->dev->actconfig->desc.bConfigurationValue != 1) { /* * FIXME: HP iPaq rx3715, possibly others, have 1 config that |