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Subject[PATCH 4.19 09/97] USB: misc: iowarrior: add support for 2 OEMed devices
Date
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

commit 461d8deb26a7d70254bc0391feb4fd8a95e674e8 upstream.

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>

---
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
@@ -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
@@ -137,6 +141,8 @@ static const struct usb_device_id iowarr
{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);
@@ -361,6 +367,7 @@ static ssize_t iowarrior_write(struct fi
}
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:
@@ -375,6 +382,7 @@ static ssize_t iowarrior_write(struct fi
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 */
@@ -499,6 +507,7 @@ static long iowarrior_ioctl(struct file
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) {
@@ -782,7 +791,8 @@ static int iowarrior_probe(struct usb_in
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) {
@@ -795,7 +805,8 @@ static int iowarrior_probe(struct usb_in
/* 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;


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