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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Johan Hovold <johan@kernel.org>
Subject: [PATCH 4.19 002/338] USB: serial: simple: add Nokia phone driver
Date:   Thu, 14 Apr 2022 15:08:25 +0200
Message-Id: <20220414110838.958262392@linuxfoundation.org>
In-Reply-To: <20220414110838.883074566@linuxfoundation.org>
References: <20220414110838.883074566@linuxfoundation.org>
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From: Johan Hovold <johan@kernel.org>

commit c4b9c570965f75d0d55e639747f1e5ccdad2fae0 upstream.

Add a new "simple" driver for certain Nokia phones, including Nokia 130
(RM-1035) which exposes two serial ports in "charging only" mode:

Bus 001 Device 009: ID 0421:069a Nokia Mobile Phones 130 [RM-1035] (Charging only)
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            0
  bDeviceSubClass         0
  bDeviceProtocol         0
  bMaxPacketSize0         8
  idVendor           0x0421 Nokia Mobile Phones
  idProduct          0x069a 130 [RM-1035] (Charging only)
  bcdDevice            1.00
  iManufacturer           1 Nokia
  iProduct                2 Nokia 130 (RM-1035)
  iSerial                 0
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength       0x0037
    bNumInterfaces          2
    bConfigurationValue     1
    iConfiguration          0
    bmAttributes         0x80
      (Bus Powered)
    MaxPower              500mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           2
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass    255 Vendor Specific Subclass
      bInterfaceProtocol    255 Vendor Specific Protocol
      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     0x0040  1x 64 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x01  EP 1 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               0
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       0
      bNumEndpoints           2
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass    255 Vendor Specific Subclass
      bInterfaceProtocol    255 Vendor Specific Protocol
      iInterface              0
      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     0x02  EP 2 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               0
Device Status:     0x0000
  (Bus Powered)

Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20220228084919.10656-1-johan@kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/usb/serial/Kconfig             |    1 +
 drivers/usb/serial/usb-serial-simple.c |    7 +++++++
 2 files changed, 8 insertions(+)

--- a/drivers/usb/serial/Kconfig
+++ b/drivers/usb/serial/Kconfig
@@ -65,6 +65,7 @@ config USB_SERIAL_SIMPLE
 		- Libtransistor USB console
 		- a number of Motorola phones
 		- Motorola Tetra devices
+		- Nokia mobile phones
 		- Novatel Wireless GPS receivers
 		- Siemens USB/MPI adapter.
 		- ViVOtech ViVOpay USB device.
--- a/drivers/usb/serial/usb-serial-simple.c
+++ b/drivers/usb/serial/usb-serial-simple.c
@@ -91,6 +91,11 @@ DEVICE(moto_modem, MOTO_IDS);
 	{ USB_DEVICE(0x0cad, 0x9016) }	/* TPG2200 */
 DEVICE(motorola_tetra, MOTOROLA_TETRA_IDS);
 
+/* Nokia mobile phone driver */
+#define NOKIA_IDS()			\
+	{ USB_DEVICE(0x0421, 0x069a) }	/* Nokia 130 (RM-1035) */
+DEVICE(nokia, NOKIA_IDS);
+
 /* Novatel Wireless GPS driver */
 #define NOVATEL_IDS()			\
 	{ USB_DEVICE(0x09d7, 0x0100) }	/* NovAtel FlexPack GPS */
@@ -123,6 +128,7 @@ static struct usb_serial_driver * const
 	&vivopay_device,
 	&moto_modem_device,
 	&motorola_tetra_device,
+	&nokia_device,
 	&novatel_gps_device,
 	&hp4x_device,
 	&suunto_device,
@@ -140,6 +146,7 @@ static const struct usb_device_id id_tab
 	VIVOPAY_IDS(),
 	MOTO_IDS(),
 	MOTOROLA_TETRA_IDS(),
+	NOKIA_IDS(),
 	NOVATEL_IDS(),
 	HP4X_IDS(),
 	SUUNTO_IDS(),