On Mon, Jul 23, 2007 at 08:19:10PM +0200, Hermann Kneissel wrote:
> 
> This patch contains two fixes submitted by Ondrej Palkovsky:
> - the 'ACK' packet is sent after the transfer of the USB packet is 
> completed, i.e. in the write_callback function. Because the close 
> function sends the 'abort' command, a parameter is added that allows 
> the caller of garmin_write_bulk to specify, if the 'ack' should be 
> propagated to the serial link or dimissed.
> This fixes the problem with gpsbabel, it has sent several packets that 
> were acknowledged before they were sent to the GPS and GpsBabel closed 
> the device - thus effectively cancelled all outstanding requests in the 
> queue.
> - removed the APP_RESP_SEEN and APP_REQ_SEEN flags and changed 
> them into counters. It evades USB reset of the gps on every device close.
> 
> The patch is done against 2.6.21.1 with the 'clean up urb->status usage'
> patch applied.

Can you redo this against 2.6.23-rc1 as it does not apply properly
against that kernel version.

> --- linux-2.6.22.1/drivers/usb/serial/garmin_gps.c.orig       2007-07-10 
> 20:56:30.000000000 +0200
> +++ linux-2.6.22.1/drivers/usb/serial/garmin_gps.c    2007-07-23 
> 19:37:20.129305281 +0200
> @@ -1,7 +1,7 @@
>  /*
>   * Garmin GPS driver
>   *
> - * Copyright (C) 2006 Hermann Kneissel [EMAIL PROTECTED]
> + * Copyright (C) 2007 Hermann Kneissel [EMAIL PROTECTED]

This should be "2006,2007", don't throw away your old copyright :)

>   *
>   * The latest version of the driver can be found at
>   * http://sourceforge.net/projects/garmin-gps/
> @@ -21,6 +21,21 @@
>   * 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 USA
> + *
> + * Change History
> + *
> + * 0.31      Added a patch from Ondrej Palkovsky <[EMAIL PROTECTED]>
> + *      - the 'ACK' packet is sent after the transfer of the USB packet is
> + *      completed, i.e. in the write_callback function. Because the close
> + *      function sends the 'abort' command, a parameter is added that allows
> + *      the caller of garmin_write_bulk to specify, if the 'ack' should be
> + *      propagated to the serial link or dimissed.
> + *      This fixes the problem with gpsbabel, it has sent several packets 
> that
> + *      were acknowledged before they were sent to the GPS and GpsBabel 
> closed
> + *      the device - thus effectively cancelled all outstanding requests in 
> the
> + *      queue.
> + *      - removed the APP_RESP_SEEN and APP_REQ_SEEN flags and changed them
> + *      into counters. It evades USB reset of the gps on every device close.
>   */

Do not put change history into the driver itself, that is what the
kernel changelog is for.

thanks,

greg k-h

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