3 files changed, 26 insertions, 5 deletions

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 00b47ea24f86..b3d5a23ab56f 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1349,6 +1349,9 @@ static struct usb_device_id acm_ids[] = {
         { USB_DEVICE(0x0e8d, 0x0003), /* FIREFLY, MediaTek Inc; andrey.arapov@gmail.com */
         .driver_info = NO_UNION_NORMAL, /* has no union descriptor */
         },
+        { USB_DEVICE(0x0e8d, 0x3329), /* MediaTek Inc GPS */
+        .driver_info = NO_UNION_NORMAL, /* has no union descriptor */
+        },
         { USB_DEVICE(0x0482, 0x0203), /* KYOCERA AH-K3001V */
         .driver_info = NO_UNION_NORMAL, /* has no union descriptor */
         },
@@ -1370,6 +1373,18 @@ static struct usb_device_id acm_ids[] = {
         { USB_DEVICE(0x0572, 0x1321), /* Conexant USB MODEM CX93010 */
         .driver_info = NO_UNION_NORMAL, /* has no union descriptor */
         },
+        { USB_DEVICE(0x0572, 0x1324), /* Conexant USB MODEM RD02-D400 */
+        .driver_info = NO_UNION_NORMAL, /* has no union descriptor */
+        },
+        { USB_DEVICE(0x22b8, 0x6425), /* Motorola MOTOMAGX phones */
+        },
+        { USB_DEVICE(0x0572, 0x1329), /* Hummingbird huc56s (Conexant) */
+        .driver_info = NO_UNION_NORMAL, /* union descriptor misplaced on
+                                           data interface instead of
+                                           communications interface.
+                                           Maybe we should define a new
+                                           quirk for this. */
+        },
 
         /* control interfaces with various AT-command sets */
         { USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ACM,
diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c
index b5775af3ba26..d2747a49b974 100644
--- a/drivers/usb/class/usblp.c
+++ b/drivers/usb/class/usblp.c
@@ -226,6 +226,7 @@ static const struct quirk_printer_struct quirk_printers[] = {
         { 0x0409, 0xf0be, USBLP_QUIRK_BIDIR }, /* NEC Picty920 (HP OEM) */
         { 0x0409, 0xf1be, USBLP_QUIRK_BIDIR }, /* NEC Picty800 (HP OEM) */
         { 0x0482, 0x0010, USBLP_QUIRK_BIDIR }, /* Kyocera Mita FS 820, by zut <kernel@zut.de> */
+        { 0x04f9, 0x000d, USBLP_QUIRK_BIDIR }, /* Brother Industries, Ltd HL-1440 Laser Printer */
         { 0x04b8, 0x0202, USBLP_QUIRK_BAD_CLASS }, /* Seiko Epson Receipt Printer M129C */
         { 0, 0 }
 };
@@ -879,16 +880,19 @@ static int usblp_wwait(struct usblp *usblp, int nonblock)
                 if (rc <= 0)
                         break;
 
-                if (usblp->flags & LP_ABORT) {
-                        if (schedule_timeout(msecs_to_jiffies(5000)) == 0) {
+                if (schedule_timeout(msecs_to_jiffies(1500)) == 0) {
+                        if (usblp->flags & LP_ABORT) {
                                 err = usblp_check_status(usblp, err);
                                 if (err == 1) { /* Paper out */
                                         rc = -ENOSPC;
                                         break;
                                 }
+                        } else {
+                                /* Prod the printer, Gentoo#251237. */
+                                mutex_lock(&usblp->mut);
+                                usblp_read_status(usblp, usblp->statusbuf);
+                                mutex_unlock(&usblp->mut);
                         }
-                } else {
-                        schedule();
                 }
         }
         set_current_state(TASK_RUNNING);
diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c
index 0f5c05f6f9df..c40a9b284cc9 100644
--- a/drivers/usb/class/usbtmc.c
+++ b/drivers/usb/class/usbtmc.c
@@ -50,6 +50,7 @@
 
 static struct usb_device_id usbtmc_devices[] = {
         { USB_INTERFACE_INFO(USB_CLASS_APP_SPEC, 3, 0), },
+        { USB_INTERFACE_INFO(USB_CLASS_APP_SPEC, 3, 1), },
         { 0, } /* terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, usbtmc_devices);
@@ -106,12 +107,13 @@ static int usbtmc_open(struct inode *inode, struct file *filp)
 {
         struct usb_interface *intf;
         struct usbtmc_device_data *data;
-        int retval = -ENODEV;
+        int retval = 0;
 
         intf = usb_find_interface(&usbtmc_driver, iminor(inode));
         if (!intf) {
                 printk(KERN_ERR KBUILD_MODNAME
                        ": can not find device for minor %d", iminor(inode));
+                retval = -ENODEV;
                 goto exit;
         }