[PATCH] keyspan: Remove duplicate device entries

[Ben Collins]

The 28xb, as documented in comments, has the same ID's as the 28x.
Remove the duplicated ID's from the device tables, and expand the
comment to document this.

Signed-off-by: Ben Collins <ben.collins@xxxxxxxxxxxxx>
CC: Greg Kroah-Hartman <greg@xxxxxxxxx>

diff --git a/drivers/usb/serial/keyspan.h b/drivers/usb/serial/keyspan.h
index 8d6ed02..cc48512 100644
--- a/drivers/usb/serial/keyspan.h
+++ b/drivers/usb/serial/keyspan.h
@@ -222,7 +222,8 @@ struct ezusb_hex_record {
 
 /* Product IDs post-renumeration.  Note that the 28x and 28xb
    have the same id's post-renumeration but behave identically
-   so it's not an issue. */
+   so it's not an issue. As such, the 28xb is not listed in any
+   of the device tables. */
 #define	keyspan_usa18x_product_id		0x0112
 #define	keyspan_usa19_product_id		0x0107
 #define	keyspan_usa19qi_product_id		0x010c
@@ -566,7 +567,6 @@ static struct usb_device_id keyspan_ids_combined[] = {
 	{ USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28_product_id) },
 	{ USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28x_product_id) },
 	{ USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28xa_product_id) },
-	{ USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28xb_product_id) },
 	{ USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28xg_product_id) },
 	{ USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa49w_product_id)},
 	{ USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa49wlc_product_id)},
@@ -616,7 +616,6 @@ static struct usb_device_id keyspan_2port_ids[] = {
 	{ USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28_product_id) },
 	{ USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28x_product_id) },
 	{ USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28xa_product_id) },
-	{ USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28xb_product_id) },
 	{ USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28xg_product_id) },
 	{ } /* Terminating entry */
 };


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