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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Christoph Jung <jung@codemercs.com>
Subject: [PATCH 4.19 10/97] USB: misc: iowarrior: add support for the 28 and 28L devices
Date:   Thu, 27 Feb 2020 14:36:18 +0100
Message-Id: <20200227132216.257444795@linuxfoundation.org>
In-Reply-To: <20200227132214.553656188@linuxfoundation.org>
References: <20200227132214.553656188@linuxfoundation.org>
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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

commit 5f6f8da2d7b5a431d3f391d0d73ace8edfb42af7 upstream.

Add new device ids for the 28 and 28L devices.  These have 4 interfaces
instead of 2, but the driver binds the same, so the driver changes are
minimal.

Cc: Christoph Jung <jung@codemercs.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200212040422.2991-2-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/usb/misc/iowarrior.c |   15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

--- a/drivers/usb/misc/iowarrior.c
+++ b/drivers/usb/misc/iowarrior.c
@@ -33,6 +33,9 @@
 #define USB_DEVICE_ID_CODEMERCS_IOWPV2	0x1512
 /* full speed iowarrior */
 #define USB_DEVICE_ID_CODEMERCS_IOW56	0x1503
+/* fuller speed iowarrior */
+#define USB_DEVICE_ID_CODEMERCS_IOW28	0x1504
+#define USB_DEVICE_ID_CODEMERCS_IOW28L	0x1505
 
 /* OEMed devices */
 #define USB_DEVICE_ID_CODEMERCS_IOW24SAG	0x158a
@@ -143,6 +146,8 @@ static const struct usb_device_id iowarr
 	{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)},
+	{USB_DEVICE(USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW28)},
+	{USB_DEVICE(USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW28L)},
 	{}			/* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, iowarrior_ids);
@@ -383,6 +388,8 @@ static ssize_t iowarrior_write(struct fi
 		break;
 	case USB_DEVICE_ID_CODEMERCS_IOW56:
 	case USB_DEVICE_ID_CODEMERCS_IOW56AM:
+	case USB_DEVICE_ID_CODEMERCS_IOW28:
+	case USB_DEVICE_ID_CODEMERCS_IOW28L:
 		/* 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 */
@@ -792,7 +799,9 @@ static int iowarrior_probe(struct usb_in
 	}
 
 	if ((dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW56) ||
-	    (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW56AM)) {
+	    (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW56AM) ||
+	    (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW28) ||
+	    (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW28L)) {
 		res = usb_find_last_int_out_endpoint(iface_desc,
 				&dev->int_out_endpoint);
 		if (res) {
@@ -806,7 +815,9 @@ static int iowarrior_probe(struct usb_in
 	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_IOW56AM)))
+	     (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW56AM) ||
+	     (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW28) ||
+	     (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW28L)))
 		/* IOWarrior56 has wMaxPacketSize different from report size */
 		dev->report_size = 7;