This is a note to let you know that I've just added the patch titled
USB: qcserial: Add support for HP lt4112 LTE/HSPA+ Gobi 4G Modem
to the 3.18-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
usb-qcserial-add-support-for-hp-lt4112-lte-hspa-gobi-4g-modem.patch
and it can be found in the queue-3.18 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From e7181d005e84b15fe3121a8d22840adc3395d496 Mon Sep 17 00:00:00 2001
From: Martin Hauke <mardnh@xxxxxx>
Date: Sun, 16 Nov 2014 21:17:30 +0100
Subject: USB: qcserial: Add support for HP lt4112 LTE/HSPA+ Gobi 4G Modem
From: Martin Hauke <mardnh@xxxxxx>
commit e7181d005e84b15fe3121a8d22840adc3395d496 upstream.
Added new device layout "DEVICE_HWI" and also added the USB VID/PID for the
HP lt4112 LTE/HSPA+ Gobi 4G Modem (Huawei me906e)
Signed-off-by: Martin Hauke <mardnh@xxxxxx>
Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/serial/qcserial.c | 33 +++++++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -27,12 +27,15 @@ enum qcserial_layouts {
QCSERIAL_G2K = 0, /* Gobi 2000 */
QCSERIAL_G1K = 1, /* Gobi 1000 */
QCSERIAL_SWI = 2, /* Sierra Wireless */
+ QCSERIAL_HWI = 3, /* Huawei */
};
#define DEVICE_G1K(v, p) \
USB_DEVICE(v, p), .driver_info = QCSERIAL_G1K
#define DEVICE_SWI(v, p) \
USB_DEVICE(v, p), .driver_info = QCSERIAL_SWI
+#define DEVICE_HWI(v, p) \
+ USB_DEVICE(v, p), .driver_info = QCSERIAL_HWI
static const struct usb_device_id id_table[] = {
/* Gobi 1000 devices */
@@ -157,6 +160,9 @@ static const struct usb_device_id id_tab
{DEVICE_SWI(0x413c, 0x81a8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */
{DEVICE_SWI(0x413c, 0x81a9)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */
+ /* Huawei devices */
+ {DEVICE_HWI(0x03f0, 0x581d)}, /* HP lt4112 LTE/HSPA+ Gobi 4G Modem (Huawei me906e) */
+
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, id_table);
@@ -283,6 +289,33 @@ static int qcprobe(struct usb_serial *se
break;
default:
/* don't claim any unsupported interface */
+ altsetting = -1;
+ break;
+ }
+ break;
+ case QCSERIAL_HWI:
+ /*
+ * Huawei layout:
+ * 0: AT-capable modem port
+ * 1: DM/DIAG
+ * 2: AT-capable modem port
+ * 3: CCID-compatible PCSC interface
+ * 4: QMI/net
+ * 5: NMEA
+ */
+ switch (ifnum) {
+ case 0:
+ case 2:
+ dev_dbg(dev, "Modem port found\n");
+ break;
+ case 1:
+ dev_dbg(dev, "DM/DIAG interface found\n");
+ break;
+ case 5:
+ dev_dbg(dev, "NMEA GPS interface found\n");
+ break;
+ default:
+ /* don't claim any unsupported interface */
altsetting = -1;
break;
}
Patches currently in stable-queue which might be from mardnh@xxxxxx are
queue-3.18/usb-qcserial-add-support-for-hp-lt4112-lte-hspa-gobi-4g-modem.patch
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