USB: misc: iowarrior: add support for 2 OEMed devices

Add support for two OEM devices that are identical to existing
IO-Warrior devices, except for the USB device id.

Cc: Christoph Jung <jung@codemercs.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200212040422.2991-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c
index dce44fbf031fb2875498632dba484fe3866ad045..990acbe148527301bf6ea5cacccebf66ec3cdf3f 100644 (file)
--- a/drivers/usb/misc/iowarrior.c
+++ b/drivers/usb/misc/iowarrior.c
@@ -34,6 +34,10 @@
 /* full speed iowarrior */
 #define USB_DEVICE_ID_CODEMERCS_IOW56  0x1503
 
+/* OEMed devices */
+#define USB_DEVICE_ID_CODEMERCS_IOW24SAG       0x158a
+#define USB_DEVICE_ID_CODEMERCS_IOW56AM                0x158b
+
 /* Get a minor range for your devices from the usb maintainer */
 #ifdef CONFIG_USB_DYNAMIC_MINORS
 #define IOWARRIOR_MINOR_BASE   0
@@ -133,6 +137,8 @@ static const struct usb_device_id iowarrior_ids[] = {
        {USB_DEVICE(USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOWPV1)},
        {USB_DEVICE(USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOWPV2)},
        {USB_DEVICE(USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW56)},
+       {USB_DEVICE(USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW24SAG)},
+       {USB_DEVICE(USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW56AM)},
        {}                      /* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, iowarrior_ids);
@@ -357,6 +363,7 @@ static ssize_t iowarrior_write(struct file *file,
        }
        switch (dev->product_id) {
        case USB_DEVICE_ID_CODEMERCS_IOW24:
+       case USB_DEVICE_ID_CODEMERCS_IOW24SAG:
        case USB_DEVICE_ID_CODEMERCS_IOWPV1:
        case USB_DEVICE_ID_CODEMERCS_IOWPV2:
        case USB_DEVICE_ID_CODEMERCS_IOW40:
@@ -371,6 +378,7 @@ static ssize_t iowarrior_write(struct file *file,
                goto exit;
                break;
        case USB_DEVICE_ID_CODEMERCS_IOW56:
+       case USB_DEVICE_ID_CODEMERCS_IOW56AM:
                /* The IOW56 uses asynchronous IO and more urbs */
                if (atomic_read(&dev->write_busy) == MAX_WRITES_IN_FLIGHT) {
                        /* Wait until we are below the limit for submitted urbs */
@@ -493,6 +501,7 @@ static long iowarrior_ioctl(struct file *file, unsigned int cmd,
        switch (cmd) {
        case IOW_WRITE:
                if (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW24 ||
+                   dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW24SAG ||
                    dev->product_id == USB_DEVICE_ID_CODEMERCS_IOWPV1 ||
                    dev->product_id == USB_DEVICE_ID_CODEMERCS_IOWPV2 ||
                    dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW40) {
@@ -767,7 +776,8 @@ static int iowarrior_probe(struct usb_interface *interface,
                goto error;
        }
 
-       if (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW56) {
+       if ((dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW56) ||
+           (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW56AM)) {
                res = usb_find_last_int_out_endpoint(iface_desc,
                                &dev->int_out_endpoint);
                if (res) {
@@ -780,7 +790,8 @@ static int iowarrior_probe(struct usb_interface *interface,
        /* we have to check the report_size often, so remember it in the endianness suitable for our machine */
        dev->report_size = usb_endpoint_maxp(dev->int_in_endpoint);
        if ((dev->interface->cur_altsetting->desc.bInterfaceNumber == 0) &&
-           (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW56))
+           ((dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW56) ||
+            (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW56AM)))
                /* IOWarrior56 has wMaxPacketSize different from report size */
                dev->report_size = 7;