Merge tag 'usb-serial-5.18-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-next

Johan writes:

USB-serial updates for 5.18-rc1

Here are the USB-serial updates for 5.18-rc1, including:

 - a new "simple driver" for some Nokia phones
 - a fix for pl2303 GS type detection
 - another pl2303 device id

Included is also a clean up.

All have been in linux-next with no reported issues.

* tag 'usb-serial-5.18-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
  USB: serial: usb_wwan: remove redundant assignment to variable i
  USB: serial: pl2303: fix GS type detection
  USB: serial: pl2303: add IBM device IDs
  USB: serial: simple: add Nokia phone driver

5 files changed, 13 insertions, 1 deletions

diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig
index de5c01257060..ef8d1c73c754 100644
--- a/drivers/usb/serial/Kconfig
+++ b/drivers/usb/serial/Kconfig
@@ -66,6 +66,7 @@ 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.
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index a70fd86f735c..88b284d61681 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -116,6 +116,7 @@ static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(ADLINK_VENDOR_ID, ADLINK_ND6530GC_PRODUCT_ID) },
 	{ USB_DEVICE(SMART_VENDOR_ID, SMART_PRODUCT_ID) },
 	{ USB_DEVICE(AT_VENDOR_ID, AT_VTKIT3_PRODUCT_ID) },
+	{ USB_DEVICE(IBM_VENDOR_ID, IBM_PRODUCT_ID) },
 	{ }					/* Terminating entry */
 };
 
@@ -435,6 +436,7 @@ static int pl2303_detect_type(struct usb_serial *serial)
 		case 0x105:
 		case 0x305:
 		case 0x405:
+		case 0x605:
 			/*
 			 * Assume it's an HXN-type if the device doesn't
 			 * support the old read request value.
diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h
index 6097ee8fccb2..c5406452b774 100644
--- a/drivers/usb/serial/pl2303.h
+++ b/drivers/usb/serial/pl2303.h
@@ -35,6 +35,9 @@
 #define ATEN_PRODUCT_UC232B	0x2022
 #define ATEN_PRODUCT_ID2	0x2118
 
+#define IBM_VENDOR_ID		0x04b3
+#define IBM_PRODUCT_ID		0x4016
+
 #define IODATA_VENDOR_ID	0x04bb
 #define IODATA_PRODUCT_ID	0x0a03
 #define IODATA_PRODUCT_ID_RSAQ5	0x0a0e
diff --git a/drivers/usb/serial/usb-serial-simple.c b/drivers/usb/serial/usb-serial-simple.c
index bd23a7cb1be2..4c6747889a19 100644
--- 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 serial_drivers[] = {
 	&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_table[] = {
 	VIVOPAY_IDS(),
 	MOTO_IDS(),
 	MOTOROLA_TETRA_IDS(),
+	NOKIA_IDS(),
 	NOVATEL_IDS(),
 	HP4X_IDS(),
 	SUUNTO_IDS(),
diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c
index cb01283d4d15..dab38b63eaf7 100644
--- a/drivers/usb/serial/usb_wwan.c
+++ b/drivers/usb/serial/usb_wwan.c
@@ -148,7 +148,6 @@ int usb_wwan_write(struct tty_struct *tty, struct usb_serial_port *port,
 
 	dev_dbg(&port->dev, "%s: write (%d chars)\n", __func__, count);
 
-	i = 0;
 	left = count;
 	for (i = 0; left > 0 && i < N_OUT_URB; i++) {
 		todo = left;