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Thu, 30 Oct 2025 08:45:10 -0700 (PDT) From: Oleksandr Suvorov To: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Johan Hovold , Greg Kroah-Hartman Cc: Oleksandr Suvorov Subject: [PATCH v3] usb: serial: ftdi_sio: add support for u-blox EVK-M101 Date: Thu, 30 Oct 2025 17:42:54 +0200 Message-ID: <20251030154509.3331963-1-cryosay@gmail.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20251030090056.3175217-1-cryosay@gmail.com> References: <20251030090056.3175217-1-cryosay@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The U-Blox EVK-M101 enumerates as 1546:0506 [1] with four FTDI interfaces: - EVK-M101 current sensors - EVK-M101 I2C - EVK-M101 UART - EVK-M101 port D Only the third USB interface is a UART. This change lets ftdi_sio probe the VID/PID and registers only interface #3 as a TTY, leaving the rest available for other drivers. [1] usb 5-1.3: new high-speed USB device number 11 using xhci_hcd usb 5-1.3: New USB device found, idVendor=3D1546, idProduct=3D0506, bcdDevi= ce=3D 8.00 usb 5-1.3: New USB device strings: Mfr=3D1, Product=3D2, SerialNumber=3D0 usb 5-1.3: Product: EVK-M101 usb 5-1.3: Manufacturer: u-blox AG Datasheet: https://content.u-blox.com/sites/default/files/documents/EVK-M10= _UserGuide_UBX-21003949.pdf Link: https://lore.kernel.org/all/20251030090056.3175217-1-cryosay@gmail.co= m/ Signed-off-by: Oleksandr Suvorov --- v3: - Use USB_DEVICE_INTERFACE_NUMBER instead of custom probe() v2: - Restrict probing to interface #3 only - Add a device model to commit message - Fix grammar in commit message - Add Link: to v1 Signed-off-by: Oleksandr Suvorov --- drivers/usb/serial/ftdi_sio.c | 1 + drivers/usb/serial/ftdi_sio_ids.h | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 49666c33b41f..b37fa31f5694 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -1074,6 +1074,7 @@ static const struct usb_device_id id_table_combined[]= =3D { /* U-Blox devices */ { USB_DEVICE(UBLOX_VID, UBLOX_C099F9P_ZED_PID) }, { USB_DEVICE(UBLOX_VID, UBLOX_C099F9P_ODIN_PID) }, + { USB_DEVICE_INTERFACE_NUMBER(UBLOX_VID, UBLOX_EVK_M101_PID, 2) }, /* FreeCalypso USB adapters */ { USB_DEVICE(FTDI_VID, FTDI_FALCONIA_JTAG_BUF_PID), .driver_info =3D (kernel_ulong_t)&ftdi_jtag_quirk }, diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_si= o_ids.h index 4cc1fae8acb9..2539b9e2f712 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -1614,6 +1614,7 @@ #define UBLOX_VID 0x1546 #define UBLOX_C099F9P_ZED_PID 0x0502 #define UBLOX_C099F9P_ODIN_PID 0x0503 +#define UBLOX_EVK_M101_PID 0x0506 =20 /* * GMC devices --=20 2.48.1