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authorLinus Torvalds <torvalds@linux-foundation.org>2013-05-01 13:20:04 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-05-01 13:20:04 -0700
commit251df49db3327c64bf917bfdba94491fde2b4ee0 (patch)
tree71eef72e1c393057f7b14cc4d8da5e48c7728336 /drivers/usb/class
parent8a72f3820c4d14b27ad5336aed00063a7a7f1bef (diff)
parentbf61c8840efe60fd8f91446860b63338fb424158 (diff)
downloadlinux-251df49db3327c64bf917bfdba94491fde2b4ee0.tar.bz2
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov: "Assorted fixes and cleanups to the existing drivers plus a new driver for IMS Passenger Control Unit device they use for ther in-flight entertainment system." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (44 commits) Input: trackpoint - Optimize trackpoint init to use power-on reset Input: apbps2 - convert to devm_ioremap_resource() Input: ALPS - use %ph to print buffers ARM - shmobile: Armadillo800EVA: Move st1232 reset pin handling Input: st1232 - add reset pin handling Input: st1232 - convert to devm_* infrastructure Input: MT - handle semi-mt devices in core Input: adxl34x - use spi_get_drvdata() Input: ad7877 - use spi_get_drvdata() and spi_set_drvdata() Input: ads7846 - use spi_get_drvdata() and spi_set_drvdata() Input: ims-pcu - fix a memory leak on error Input: sysrq - supplement reset sequence with timeout functionality Input: tegra-kbc - support for defining row/columns based on SoC Input: imx_keypad - switch to using managed resources Input: arc_ps2 - add support for device tree Input: mma8450 - fix signed 12bits to 32bits conversion Input: eeti_ts - remove redundant null check Input: edt-ft5x06 - remove redundant null check before kfree Input: ad714x - add CONFIG_PM_SLEEP to suspend/resume functions Input: adxl34x - add CONFIG_PM_SLEEP to suspend/resume functions ...
Diffstat (limited to 'drivers/usb/class')
-rw-r--r--drivers/usb/class/cdc-acm.c13
-rw-r--r--drivers/usb/class/cdc-acm.h1
2 files changed, 14 insertions, 0 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 171d7a9df3ae..9b1cbcf8fb7f 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -962,6 +962,10 @@ static int acm_probe(struct usb_interface *intf,
/* normal quirks */
quirks = (unsigned long)id->driver_info;
+
+ if (quirks == IGNORE_DEVICE)
+ return -ENODEV;
+
num_rx_buf = (quirks == SINGLE_RX_URB) ? 1 : ACM_NR;
/* handle quirks deadly to normal probing*/
@@ -1675,6 +1679,15 @@ static const struct usb_device_id acm_ids[] = {
.driver_info = NO_DATA_INTERFACE,
},
+#if IS_ENABLED(CONFIG_INPUT_IMS_PCU)
+ { USB_DEVICE(0x04d8, 0x0082), /* Application mode */
+ .driver_info = IGNORE_DEVICE,
+ },
+ { USB_DEVICE(0x04d8, 0x0083), /* Bootloader mode */
+ .driver_info = IGNORE_DEVICE,
+ },
+#endif
+
/* control interfaces without any protocol set */
{ USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ACM,
USB_CDC_PROTO_NONE) },
diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h
index 35ef887b7417..0f76e4af600e 100644
--- a/drivers/usb/class/cdc-acm.h
+++ b/drivers/usb/class/cdc-acm.h
@@ -128,3 +128,4 @@ struct acm {
#define NO_CAP_LINE 4
#define NOT_A_MODEM 8
#define NO_DATA_INTERFACE 16
+#define IGNORE_DEVICE 32