[PATCH 115/119] usb: cdc-acm: add quirk to blacklist ETAS ES58X devices

2 Nov 2020

From: Vincent Mailhol mailhol.vincent@wanadoo.fr
commit a4f88430af896bf34ec25a7a5f0e053fb3d928e0 upstream.
The ES58X devices has a CDC ACM interface (used for debug
purpose). During probing, the device is thus recognized as USB Modem
(CDC ACM), preventing the etas-es58x module to load:
  usbcore: registered new interface driver etas_es58x
  usb 1-1.1: new full-speed USB device number 14 using xhci_hcd
  usb 1-1.1: New USB device found, idVendor=108c, idProduct=0159, bcdDevice= 1.00
  usb 1-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
  usb 1-1.1: Product: ES581.4
  usb 1-1.1: Manufacturer: ETAS GmbH
  usb 1-1.1: SerialNumber: 2204355
  cdc_acm 1-1.1:1.0: No union descriptor, testing for castrated device
  cdc_acm 1-1.1:1.0: ttyACM0: USB ACM device
Thus, these have been added to the ignore list in
drivers/usb/class/cdc-acm.c
N.B. Future firmware release of the ES58X will remove the CDC-ACM
interface.
`lsusb -v` of the three devices variant (ES581.4, ES582.1 and
ES584.1):
Bus 001 Device 011: ID 108c:0159 Robert Bosch GmbH ES581.4
  Device Descriptor:
    bLength                18
    bDescriptorType         1
    bcdUSB               1.10
    bDeviceClass            2 Communications
    bDeviceSubClass         0
    bDeviceProtocol         0
    bMaxPacketSize0        64
    idVendor           0x108c Robert Bosch GmbH
    idProduct          0x0159
    bcdDevice            1.00
    iManufacturer           1 ETAS GmbH
    iProduct                2 ES581.4
    iSerial                 3 2204355
    bNumConfigurations      1
    Configuration Descriptor:
      bLength                 9
      bDescriptorType         2
      wTotalLength       0x0035
      bNumInterfaces          1
      bConfigurationValue     1
      iConfiguration          5 Bus Powered Configuration
      bmAttributes         0x80
        (Bus Powered)
      MaxPower              100mA
      Interface Descriptor:
        bLength                 9
        bDescriptorType         4
        bInterfaceNumber        0
        bAlternateSetting       0
        bNumEndpoints           3
        bInterfaceClass         2 Communications
        bInterfaceSubClass      2 Abstract (modem)
        bInterfaceProtocol      0
        iInterface              4 ACM Control Interface
        CDC Header:
          bcdCDC               1.10
        CDC Call Management:
          bmCapabilities       0x01
            call management
          bDataInterface          0
        CDC ACM:
          bmCapabilities       0x06
            sends break
            line coding and serial state
        Endpoint Descriptor:
          bLength                 7
          bDescriptorType         5
          bEndpointAddress     0x81  EP 1 IN
          bmAttributes            3
            Transfer Type            Interrupt
            Synch Type               None
            Usage Type               Data
          wMaxPacketSize     0x0010  1x 16 bytes
          bInterval              10
        Endpoint Descriptor:
          bLength                 7
          bDescriptorType         5
          bEndpointAddress     0x82  EP 2 IN
          bmAttributes            2
            Transfer Type            Bulk
            Synch Type               None
            Usage Type               Data
          wMaxPacketSize     0x0040  1x 64 bytes
          bInterval               0
        Endpoint Descriptor:
          bLength                 7
          bDescriptorType         5
          bEndpointAddress     0x03  EP 3 OUT
          bmAttributes            2
            Transfer Type            Bulk
            Synch Type               None
            Usage Type               Data
          wMaxPacketSize     0x0040  1x 64 bytes
          bInterval               0
  Device Status:     0x0000
    (Bus Powered)
Bus 001 Device 012: ID 108c:0168 Robert Bosch GmbH ES582
  Device Descriptor:
    bLength                18
    bDescriptorType         1
    bcdUSB               2.00
    bDeviceClass            2 Communications
    bDeviceSubClass         0
    bDeviceProtocol         0
    bMaxPacketSize0        64
    idVendor           0x108c Robert Bosch GmbH
    idProduct          0x0168
    bcdDevice            1.00
    iManufacturer           1 ETAS GmbH
    iProduct                2 ES582
    iSerial                 3 0108933
    bNumConfigurations      1
    Configuration Descriptor:
      bLength                 9
      bDescriptorType         2
      wTotalLength       0x0043
      bNumInterfaces          2
      bConfigurationValue     1
      iConfiguration          0
      bmAttributes         0x80
        (Bus Powered)
      MaxPower              500mA
      Interface Descriptor:
        bLength                 9
        bDescriptorType         4
        bInterfaceNumber        0
        bAlternateSetting       0
        bNumEndpoints           1
        bInterfaceClass         2 Communications
        bInterfaceSubClass      2 Abstract (modem)
        bInterfaceProtocol      1 AT-commands (v.25ter)
        iInterface              0
        CDC Header:
          bcdCDC               1.10
        CDC ACM:
          bmCapabilities       0x02
            line coding and serial state
        CDC Union:
          bMasterInterface        0
          bSlaveInterface         1
        CDC Call Management:
          bmCapabilities       0x03
            call management
            use DataInterface
          bDataInterface          1
        Endpoint Descriptor:
          bLength                 7
          bDescriptorType         5
          bEndpointAddress     0x83  EP 3 IN
          bmAttributes            3
            Transfer Type            Interrupt
            Synch Type               None
            Usage Type               Data
          wMaxPacketSize     0x0040  1x 64 bytes
          bInterval              16
      Interface Descriptor:
        bLength                 9
        bDescriptorType         4
        bInterfaceNumber        1
        bAlternateSetting       0
        bNumEndpoints           2
        bInterfaceClass        10 CDC Data
        bInterfaceSubClass      0
        bInterfaceProtocol      0
        iInterface              0
        Endpoint Descriptor:
          bLength                 7
          bDescriptorType         5
          bEndpointAddress     0x81  EP 1 IN
          bmAttributes            2
            Transfer Type            Bulk
            Synch Type               None
            Usage Type               Data
          wMaxPacketSize     0x0200  1x 512 bytes
          bInterval               0
        Endpoint Descriptor:
          bLength                 7
          bDescriptorType         5
          bEndpointAddress     0x02  EP 2 OUT
          bmAttributes            2
            Transfer Type            Bulk
            Synch Type               None
            Usage Type               Data
          wMaxPacketSize     0x0200  1x 512 bytes
          bInterval               0
  Device Qualifier (for other device speed):
    bLength                10
    bDescriptorType         6
    bcdUSB               2.00
    bDeviceClass            2 Communications
    bDeviceSubClass         0
    bDeviceProtocol         0
    bMaxPacketSize0        64
    bNumConfigurations      1
  Device Status:     0x0000
    (Bus Powered)
Bus 001 Device 013: ID 108c:0169 Robert Bosch GmbH ES584.1
  Device Descriptor:
    bLength                18
    bDescriptorType         1
    bcdUSB               2.00
    bDeviceClass            2 Communications
    bDeviceSubClass         0
    bDeviceProtocol         0
    bMaxPacketSize0        64
    idVendor           0x108c Robert Bosch GmbH
    idProduct          0x0169
    bcdDevice            1.00
    iManufacturer           1 ETAS GmbH
    iProduct                2 ES584.1
    iSerial                 3 0100320
    bNumConfigurations      1
    Configuration Descriptor:
      bLength                 9
      bDescriptorType         2
      wTotalLength       0x0043
      bNumInterfaces          2
      bConfigurationValue     1
      iConfiguration          0
      bmAttributes         0x80
        (Bus Powered)
      MaxPower              500mA
      Interface Descriptor:
        bLength                 9
        bDescriptorType         4
        bInterfaceNumber        0
        bAlternateSetting       0
        bNumEndpoints           1
        bInterfaceClass         2 Communications
        bInterfaceSubClass      2 Abstract (modem)
        bInterfaceProtocol      1 AT-commands (v.25ter)
        iInterface              0
        CDC Header:
          bcdCDC               1.10
        CDC ACM:
          bmCapabilities       0x02
            line coding and serial state
        CDC Union:
          bMasterInterface        0
          bSlaveInterface         1
        CDC Call Management:
          bmCapabilities       0x03
            call management
            use DataInterface
          bDataInterface          1
        Endpoint Descriptor:
          bLength                 7
          bDescriptorType         5
          bEndpointAddress     0x83  EP 3 IN
          bmAttributes            3
            Transfer Type            Interrupt
            Synch Type               None
            Usage Type               Data
          wMaxPacketSize     0x0040  1x 64 bytes
          bInterval              16
      Interface Descriptor:
        bLength                 9
        bDescriptorType         4
        bInterfaceNumber        1
        bAlternateSetting       0
        bNumEndpoints           2
        bInterfaceClass        10 CDC Data
        bInterfaceSubClass      0
        bInterfaceProtocol      0
        iInterface              0
        Endpoint Descriptor:
          bLength                 7
          bDescriptorType         5
          bEndpointAddress     0x81  EP 1 IN
          bmAttributes            2
            Transfer Type            Bulk
            Synch Type               None
            Usage Type               Data
          wMaxPacketSize     0x0200  1x 512 bytes
          bInterval               0
        Endpoint Descriptor:
          bLength                 7
          bDescriptorType         5
          bEndpointAddress     0x02  EP 2 OUT
          bmAttributes            2
            Transfer Type            Bulk
            Synch Type               None
            Usage Type               Data
          wMaxPacketSize     0x0200  1x 512 bytes
          bInterval               0
  Device Qualifier (for other device speed):
    bLength                10
    bDescriptorType         6
    bcdUSB               2.00
    bDeviceClass            2 Communications
    bDeviceSubClass         0
    bDeviceProtocol         0
    bMaxPacketSize0        64
    bNumConfigurations      1
  Device Status:     0x0000
    (Bus Powered)
Signed-off-by: Vincent Mailhol mailhol.vincent@wanadoo.fr
Cc: stable stable@vger.kernel.org
Link: https://lore.kernel.org/r/20201002154219.4887-8-mailhol.vincent@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
---
 drivers/usb/class/cdc-acm.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index ba3df4af74f1..7376f74a4f04 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1944,6 +1944,17 @@ static const struct usb_device_id acm_ids[] = {
    .driver_info = IGNORE_DEVICE,
    },
+	/* Exclude ETAS ES58x */
+	{ USB_DEVICE(0x108c, 0x0159), /* ES581.4 */
+	.driver_info = IGNORE_DEVICE,
+	},
+	{ USB_DEVICE(0x108c, 0x0168), /* ES582.1 */
+	.driver_info = IGNORE_DEVICE,
+	},
+	{ USB_DEVICE(0x108c, 0x0169), /* ES584.1 */
+	.driver_info = IGNORE_DEVICE,
+	},
+
    { USB_DEVICE(0x1bc7, 0x0021), /* Telit 3G ACM only composition */
    .driver_info = SEND_ZERO_PACKET,
    },
-- 
2.25.1

    

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[PATCH 115/119] usb: cdc-acm: add quirk to blacklist ETAS ES58X devices