Re: [PATCH] usb: add new usb gadget for ACM and mass storage

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Am 08.09.2011 21:11, schrieb Greg KH:
On Thu, Sep 08, 2011 at 08:24:47PM +0200, Klaus Schwarzkopf wrote:
This driver provides two functions in one configuration:
a mass storage, and a CDC ACM (serial port) link.
Heavily based on multi.c and cdc2.c

I thought the "composite" framework make it so that drivers like this
were no longer needed.  Or am I mistaken somehow?



The "composite" framework enabled drivers with two or more functions. For example the cdc2.c driver have support for ECM and ACM.


+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.

Do you really mean "any later version"?


The acm_ms.c file is heavly based on the cdc2.c file with this paragraph. Can i change this without breaking the license?



+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

These two paragraphs are not needed, and the address is a very bad idea
to include in any file as it changes over time and I don't think you
want to keep up with the address location of the FSF for the next 40+
years.

As an example of this, I am starting to get patches from the FSF to fix
up old addresses, 10 years after moving their office...


OK, i remove this lines.

Can i remove this lines in all files of the directory drivers/usb/gadget?


+#define CDC_VENDOR_NUM	0x1d6b	/* Linux Foundation */
+#define CDC_PRODUCT_NUM	0x0106	/* CDC Composite: ACM + MS*/

I used the next free device ID from http://www.linux-usb.org/usb.ids, is this ok?

Anything else to do?


Regards,

Klaus
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