diff options
Diffstat (limited to 'recipes-kernel/linux/linux-3.12.27/linux-3.12-cdc-acm-ignore-exar-devices.patch')
| -rw-r--r-- | recipes-kernel/linux/linux-3.12.27/linux-3.12-cdc-acm-ignore-exar-devices.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/recipes-kernel/linux/linux-3.12.27/linux-3.12-cdc-acm-ignore-exar-devices.patch b/recipes-kernel/linux/linux-3.12.27/linux-3.12-cdc-acm-ignore-exar-devices.patch new file mode 100644 index 0000000..1a90899 --- /dev/null +++ b/recipes-kernel/linux/linux-3.12.27/linux-3.12-cdc-acm-ignore-exar-devices.patch @@ -0,0 +1,35 @@ +Index: linux-3.12.13/drivers/usb/class/cdc-acm.c +=================================================================== +--- linux-3.12.13.orig/drivers/usb/class/cdc-acm.c 2014-02-22 15:32:50.000000000 -0600 ++++ linux-3.12.13/drivers/usb/class/cdc-acm.c 2014-04-14 11:30:29.486386713 -0500 +@@ -949,8 +949,10 @@ + /* normal quirks */ + quirks = (unsigned long)id->driver_info; + +- if (quirks == IGNORE_DEVICE) ++ if (quirks == IGNORE_DEVICE) { ++ dev_dbg(&intf->dev, "Ignoring device\n"); + return -ENODEV; ++ } + + num_rx_buf = (quirks == SINGLE_RX_URB) ? 1 : ACM_NR; + +@@ -1676,6 +1678,18 @@ + }, + #endif + ++ /* Ignore Exar XR21V141X usb serial chips ++ * This elminates conflicting with the Exar vizzini driver */ ++ {USB_DEVICE(0x04e2, 0x1410), ++ .driver_info = IGNORE_DEVICE, ++ }, ++ {USB_DEVICE(0x04e2, 0x1412), ++ .driver_info = IGNORE_DEVICE, ++ }, ++ {USB_DEVICE(0x04e2, 0x1414), ++ .driver_info = IGNORE_DEVICE, ++ }, ++ + /* control interfaces without any protocol set */ + { USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ACM, + USB_CDC_PROTO_NONE) }, |