731 строка
25 KiB
Plaintext
731 строка
25 KiB
Plaintext
This is the contents of some of the drivers/usb/serial/ files that had old
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changelog comments. They were quite old, and out of date, and we don't keep
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them anymore, so I've put them here, away from the source files, in case
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people still care to see them.
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- Greg Kroah-Hartman <greg@kroah.com> October 20, 2005
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-----------------------------------------------------------------------
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usb-serial.h Change Log comments:
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(03/26/2002) gkh
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removed the port->tty check from port_paranoia_check() due to serial
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consoles not having a tty device assigned to them.
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(12/03/2001) gkh
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removed active from the port structure.
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added documentation to the usb_serial_device_type structure
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(10/10/2001) gkh
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added vendor and product to serial structure. Needed to determine device
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owner when the device is disconnected.
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(05/30/2001) gkh
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added sem to port structure and removed port_lock
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(10/05/2000) gkh
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Added interrupt_in_endpointAddress and bulk_in_endpointAddress to help
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fix bug with urb->dev not being set properly, now that the usb core
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needs it.
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(09/11/2000) gkh
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Added usb_serial_debug_data function to help get rid of #DEBUG in the
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drivers.
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(08/28/2000) gkh
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Added port_lock to port structure.
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(08/08/2000) gkh
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Added open_count to port structure.
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(07/23/2000) gkh
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Added bulk_out_endpointAddress to port structure.
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(07/19/2000) gkh, pberger, and borchers
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Modifications to allow usb-serial drivers to be modules.
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-----------------------------------------------------------------------
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usb-serial.c Change Log comments:
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(12/10/2002) gkh
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Split the ports off into their own struct device, and added a
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usb-serial bus driver.
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(11/19/2002) gkh
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removed a few #ifdefs for the generic code and cleaned up the failure
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logic in initialization.
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(10/02/2002) gkh
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moved the console code to console.c and out of this file.
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(06/05/2002) gkh
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moved location of startup() call in serial_probe() until after all
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of the port information and endpoints are initialized. This makes
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things easier for some drivers.
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(04/10/2002) gkh
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added serial_read_proc function which creates a
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/proc/tty/driver/usb-serial file.
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(03/27/2002) gkh
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Got USB serial console code working properly and merged into the main
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version of the tree. Thanks to Randy Dunlap for the initial version
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of this code, and for pushing me to finish it up.
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The USB serial console works with any usb serial driver device.
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(03/21/2002) gkh
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Moved all manipulation of port->open_count into the core. Now the
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individual driver's open and close functions are called only when the
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first open() and last close() is called. Making the drivers a bit
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smaller and simpler.
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Fixed a bug if a driver didn't have the owner field set.
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(02/26/2002) gkh
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Moved all locking into the main serial_* functions, instead of having
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the individual drivers have to grab the port semaphore. This should
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reduce races.
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Reworked the MOD_INC logic a bit to always increment and decrement, even
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if the generic driver is being used.
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(10/10/2001) gkh
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usb_serial_disconnect() now sets the serial->dev pointer is to NULL to
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help prevent child drivers from accessing the device since it is now
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gone.
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(09/13/2001) gkh
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Moved generic driver initialize after we have registered with the USB
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core. Thanks to Randy Dunlap for pointing this problem out.
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(07/03/2001) gkh
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Fixed module paramater size. Thanks to John Brockmeyer for the pointer.
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Fixed vendor and product getting defined through the MODULE_PARM macro
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if the Generic driver wasn't compiled in.
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Fixed problem with generic_shutdown() not being called for drivers that
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don't have a shutdown() function.
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(06/06/2001) gkh
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added evil hack that is needed for the prolific pl2303 device due to the
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crazy way its endpoints are set up.
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(05/30/2001) gkh
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switched from using spinlock to a semaphore, which fixes lots of problems.
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(04/08/2001) gb
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Identify version on module load.
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2001_02_05 gkh
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Fixed buffer overflows bug with the generic serial driver. Thanks to
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Todd Squires <squirest@ct0.com> for fixing this.
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(01/10/2001) gkh
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Fixed bug where the generic serial adaptor grabbed _any_ device that was
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offered to it.
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(12/12/2000) gkh
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Removed MOD_INC and MOD_DEC from poll and disconnect functions, and
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moved them to the serial_open and serial_close functions.
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Also fixed bug with there not being a MOD_DEC for the generic driver
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(thanks to Gary Brubaker for finding this.)
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(11/29/2000) gkh
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Small NULL pointer initialization cleanup which saves a bit of disk image
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(11/01/2000) Adam J. Richter
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instead of using idVendor/idProduct pairs, usb serial drivers
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now identify their hardware interest with usb_device_id tables,
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which they usually have anyhow for use with MODULE_DEVICE_TABLE.
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(10/05/2000) gkh
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Fixed bug with urb->dev not being set properly, now that the usb
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core needs it.
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(09/11/2000) gkh
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Removed DEBUG #ifdefs with call to usb_serial_debug_data
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(08/28/2000) gkh
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Added port_lock to port structure.
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Added locks for SMP safeness to generic driver
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Fixed the ability to open a generic device's port more than once.
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(07/23/2000) gkh
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Added bulk_out_endpointAddress to port structure.
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(07/19/2000) gkh, pberger, and borchers
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Modifications to allow usb-serial drivers to be modules.
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(07/03/2000) gkh
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Added more debugging to serial_ioctl call
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(06/25/2000) gkh
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Changed generic_write_bulk_callback to not call wake_up_interruptible
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directly, but to have port_softint do it at a safer time.
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(06/23/2000) gkh
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Cleaned up debugging statements in a quest to find UHCI timeout bug.
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(05/22/2000) gkh
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Changed the makefile, enabling the big CONFIG_USB_SERIAL_SOMTHING to be
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removed from the individual device source files.
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(05/03/2000) gkh
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Added the Digi Acceleport driver from Al Borchers and Peter Berger.
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(05/02/2000) gkh
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Changed devfs and tty register code to work properly now. This was based on
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the ACM driver changes by Vojtech Pavlik.
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(04/27/2000) Ryan VanderBijl
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Put calls to *_paranoia_checks into one function.
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(04/23/2000) gkh
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Fixed bug that Randy Dunlap found for Generic devices with no bulk out ports.
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Moved when the startup code printed out the devices that are supported.
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(04/19/2000) gkh
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Added driver for ZyXEL omni.net lcd plus ISDN TA
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Made startup info message specify which drivers were compiled in.
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(04/03/2000) gkh
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Changed the probe process to remove the module unload races.
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Changed where the tty layer gets initialized to have devfs work nicer.
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Added initial devfs support.
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(03/26/2000) gkh
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Split driver up into device specific pieces.
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(03/19/2000) gkh
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Fixed oops that could happen when device was removed while a program
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was talking to the device.
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Removed the static urbs and now all urbs are created and destroyed
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dynamically.
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Reworked the internal interface. Now everything is based on the
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usb_serial_port structure instead of the larger usb_serial structure.
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This fixes the bug that a multiport device could not have more than
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one port open at one time.
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(03/17/2000) gkh
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Added config option for debugging messages.
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Added patch for keyspan pda from Brian Warner.
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(03/06/2000) gkh
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Added the keyspan pda code from Brian Warner <warner@lothar.com>
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Moved a bunch of the port specific stuff into its own structure. This
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is in anticipation of the true multiport devices (there's a bug if you
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try to access more than one port of any multiport device right now)
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(02/21/2000) gkh
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Made it so that any serial devices only have to specify which functions
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they want to overload from the generic function calls (great,
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inheritance in C, in a driver, just what I wanted...)
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Added support for set_termios and ioctl function calls. No drivers take
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advantage of this yet.
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Removed the #ifdef MODULE, now there is no module specific code.
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Cleaned up a few comments in usb-serial.h that were wrong (thanks again
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to Miles Lott).
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Small fix to get_free_serial.
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(02/14/2000) gkh
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Removed the Belkin and Peracom functionality from the driver due to
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the lack of support from the vendor, and me not wanting people to
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accidenatly buy the device, expecting it to work with Linux.
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Added read_bulk_callback and write_bulk_callback to the type structure
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for the needs of the FTDI and WhiteHEAT driver.
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Changed all reverences to FTDI to FTDI_SIO at the request of Bill
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Ryder.
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Changed the output urb size back to the max endpoint size to make
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the ftdi_sio driver have it easier, and due to the fact that it didn't
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really increase the speed any.
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(02/11/2000) gkh
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Added VISOR_FUNCTION_CONSOLE to the visor startup function. This was a
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patch from Miles Lott (milos@insync.net).
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Fixed bug with not restoring the minor range that a device grabs, if
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the startup function fails (thanks Miles for finding this).
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(02/05/2000) gkh
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Added initial framework for the Keyspan PDA serial converter so that
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Brian Warner has a place to put his code.
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Made the ezusb specific functions generic enough that different
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devices can use them (whiteheat and keyspan_pda both need them).
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Split out a whole bunch of structure and other stuff to a separate
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usb-serial.h file.
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Made the Visor connection messages a little more understandable, now
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that Miles Lott (milos@insync.net) has gotten the Generic channel to
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work. Also made them always show up in the log file.
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(01/25/2000) gkh
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Added initial framework for FTDI serial converter so that Bill Ryder
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has a place to put his code.
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Added the vendor specific info from Handspring. Now we can print out
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informational debug messages as well as understand what is happening.
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(01/23/2000) gkh
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Fixed problem of crash when trying to open a port that didn't have a
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device assigned to it. Made the minor node finding a little smarter,
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now it looks to find a continuous space for the new device.
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(01/21/2000) gkh
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Fixed bug in visor_startup with patch from Miles Lott (milos@insync.net)
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Fixed get_serial_by_minor which was all messed up for multi port
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devices. Fixed multi port problem for generic devices. Now the number
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of ports is determined by the number of bulk out endpoints for the
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generic device.
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(01/19/2000) gkh
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Removed lots of cruft that was around from the old (pre urb) driver
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interface.
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Made the serial_table dynamic. This should save lots of memory when
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the number of minor nodes goes up to 256.
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Added initial support for devices that have more than one port.
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Added more debugging comments for the Visor, and added a needed
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set_configuration call.
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(01/17/2000) gkh
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Fixed the WhiteHEAT firmware (my processing tool had a bug)
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and added new debug loader firmware for it.
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Removed the put_char function as it isn't really needed.
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Added visor startup commands as found by the Win98 dump.
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(01/13/2000) gkh
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Fixed the vendor id for the generic driver to the one I meant it to be.
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(01/12/2000) gkh
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Forget the version numbering...that's pretty useless...
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Made the driver able to be compiled so that the user can select which
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converter they want to use. This allows people who only want the Visor
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support to not pay the memory size price of the WhiteHEAT.
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Fixed bug where the generic driver (idVendor=0000 and idProduct=0000)
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grabbed the root hub. Not good.
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version 0.4.0 (01/10/2000) gkh
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Added whiteheat.h containing the firmware for the ConnectTech WhiteHEAT
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device. Added startup function to allow firmware to be downloaded to
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a device if it needs to be.
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Added firmware download logic to the WhiteHEAT device.
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Started to add #defines to split up the different drivers for potential
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configuration option.
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version 0.3.1 (12/30/99) gkh
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Fixed problems with urb for bulk out.
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Added initial support for multiple sets of endpoints. This enables
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the Handspring Visor to be attached successfully. Only the first
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bulk in / bulk out endpoint pair is being used right now.
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version 0.3.0 (12/27/99) gkh
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Added initial support for the Handspring Visor based on a patch from
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Miles Lott (milos@sneety.insync.net)
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Cleaned up the code a bunch and converted over to using urbs only.
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version 0.2.3 (12/21/99) gkh
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Added initial support for the Connect Tech WhiteHEAT converter.
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Incremented the number of ports in expectation of getting the
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WhiteHEAT to work properly (4 ports per connection).
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Added notification on insertion and removal of what port the
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device is/was connected to (and what kind of device it was).
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version 0.2.2 (12/16/99) gkh
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Changed major number to the new allocated number. We're legal now!
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version 0.2.1 (12/14/99) gkh
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Fixed bug that happens when device node is opened when there isn't a
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device attached to it. Thanks to marek@webdesign.no for noticing this.
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version 0.2.0 (11/10/99) gkh
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Split up internals to make it easier to add different types of serial
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converters to the code.
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Added a "generic" driver that gets it's vendor and product id
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from when the module is loaded. Thanks to David E. Nelson (dnelson@jump.net)
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for the idea and sample code (from the usb scanner driver.)
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Cleared up any licensing questions by releasing it under the GNU GPL.
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version 0.1.2 (10/25/99) gkh
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Fixed bug in detecting device.
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version 0.1.1 (10/05/99) gkh
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Changed the major number to not conflict with anything else.
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version 0.1 (09/28/99) gkh
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Can recognize the two different devices and start up a read from
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device when asked to. Writes also work. No control signals yet, this
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all is vendor specific data (i.e. no spec), also no control for
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different baud rates or other bit settings.
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Currently we are using the same devid as the acm driver. This needs
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to change.
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-----------------------------------------------------------------------
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visor.c Change Log comments:
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(06/03/2003) Judd Montgomery <judd at jpilot.org>
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Added support for module parameter options for untested/unknown
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devices.
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(03/09/2003) gkh
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Added support for the Sony Clie NZ90V device. Thanks to Martin Brachtl
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<brachtl@redgrep.cz> for the information.
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(03/05/2003) gkh
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Think Treo support is now working.
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(04/03/2002) gkh
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Added support for the Sony OS 4.1 devices. Thanks to Hiroyuki ARAKI
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<hiro@zob.ne.jp> for the information.
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(03/27/2002) gkh
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Removed assumptions that port->tty was always valid (is not true
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for usb serial console devices.)
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(03/23/2002) gkh
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Added support for the Palm i705 device, thanks to Thomas Riemer
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<tom@netmech.com> for the information.
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(03/21/2002) gkh
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Added support for the Palm m130 device, thanks to Udo Eisenbarth
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<udo.eisenbarth@web.de> for the information.
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(02/27/2002) gkh
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Reworked the urb handling logic. We have no more pool, but dynamically
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allocate the urb and the transfer buffer on the fly. In testing this
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does not incure any measurable overhead. This also relies on the fact
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that we have proper reference counting logic for urbs.
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(02/21/2002) SilaS
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Added initial support for the Palm m515 devices.
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(02/14/2002) gkh
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Added support for the Clie S-360 device.
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(12/18/2001) gkh
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Added better Clie support for 3.5 devices. Thanks to Geoffrey Levand
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for the patch.
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(11/11/2001) gkh
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Added support for the m125 devices, and added check to prevent oopses
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for Clié devices that lie about the number of ports they have.
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(08/30/2001) gkh
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Added support for the Clie devices, both the 3.5 and 4.0 os versions.
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Many thanks to Daniel Burke, and Bryan Payne for helping with this.
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(08/23/2001) gkh
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fixed a few potential bugs pointed out by Oliver Neukum.
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(05/30/2001) gkh
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switched from using spinlock to a semaphore, which fixes lots of problems.
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(05/28/2000) gkh
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Added initial support for the Palm m500 and Palm m505 devices.
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(04/08/2001) gb
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Identify version on module load.
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(01/21/2000) gkh
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Added write_room and chars_in_buffer, as they were previously using the
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generic driver versions which is all wrong now that we are using an urb
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pool. Thanks to Wolfgang Grandegger for pointing this out to me.
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Removed count assignment in the write function, which was not needed anymore
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either. Thanks to Al Borchers for pointing this out.
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(12/12/2000) gkh
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Moved MOD_DEC to end of visor_close to be nicer, as the final write
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message can sleep.
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(11/12/2000) gkh
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Fixed bug with data being dropped on the floor by forcing tty->low_latency
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to be on. Hopefully this fixes the OHCI issue!
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(11/01/2000) Adam J. Richter
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usb_device_id table support
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(10/05/2000) gkh
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Fixed bug with urb->dev not being set properly, now that the usb
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core needs it.
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(09/11/2000) gkh
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Got rid of always calling kmalloc for every urb we wrote out to the
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device.
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Added visor_read_callback so we can keep track of bytes in and out for
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those people who like to know the speed of their device.
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Removed DEBUG #ifdefs with call to usb_serial_debug_data
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(09/06/2000) gkh
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Fixed oops in visor_exit. Need to uncomment usb_unlink_urb call _after_
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the host controller drivers set urb->dev = NULL when the urb is finished.
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(08/28/2000) gkh
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Added locks for SMP safeness.
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(08/08/2000) gkh
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Fixed endian problem in visor_startup.
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Fixed MOD_INC and MOD_DEC logic and the ability to open a port more
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than once.
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(07/23/2000) gkh
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Added pool of write urbs to speed up transfers to the visor.
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(07/19/2000) gkh
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Added module_init and module_exit functions to handle the fact that this
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driver is a loadable module now.
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(07/03/2000) gkh
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Added visor_set_ioctl and visor_set_termios functions (they don't do much
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of anything, but are good for debugging.)
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(06/25/2000) gkh
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Fixed bug in visor_unthrottle that should help with the disconnect in PPP
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bug that people have been reporting.
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(06/23/2000) gkh
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Cleaned up debugging statements in a quest to find UHCI timeout bug.
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(04/27/2000) Ryan VanderBijl
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Fixed memory leak in visor_close
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(03/26/2000) gkh
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Split driver up into device specific pieces.
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-----------------------------------------------------------------------
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pl2303.c Change Log comments:
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2002_Mar_26 gkh
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allowed driver to work properly if there is no tty assigned to a port
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(this happens for serial console devices.)
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2001_Oct_06 gkh
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Added RTS and DTR line control. Thanks to joe@bndlg.de for parts of it.
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2001_Sep_19 gkh
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Added break support.
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2001_Aug_30 gkh
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fixed oops in write_bulk_callback.
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2001_Aug_28 gkh
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reworked buffer logic to be like other usb-serial drivers. Hopefully
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removing some reported problems.
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2001_Jun_06 gkh
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finished porting to 2.4 format.
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-----------------------------------------------------------------------
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io_edgeport.c Change Log comments:
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2003_04_03 al borchers
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- fixed a bug (that shows up with dosemu) where the tty struct is
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used in a callback after it has been freed
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2.3 2002_03_08 greg kroah-hartman
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- fixed bug when multiple devices were attached at the same time.
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2.2 2001_11_14 greg kroah-hartman
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- fixed bug in edge_close that kept the port from being used more
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than once.
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- fixed memory leak on device removal.
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- fixed potential double free of memory when command urb submitting
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failed.
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- other small cleanups when the device is removed
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2.1 2001_07_09 greg kroah-hartman
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- added support for TIOCMBIS and TIOCMBIC.
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(04/08/2001) gb
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- Identify version on module load.
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2.0 2001_03_05 greg kroah-hartman
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- reworked entire driver to fit properly in with the other usb-serial
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drivers. Occasional oopses still happen, but it's a good start.
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1.2.3 (02/23/2001) greg kroah-hartman
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- changed device table to work properly for 2.4.x final format.
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- fixed problem with dropping data at high data rates.
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1.2.2 (11/27/2000) greg kroah-hartman
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- cleaned up more NTisms.
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- Added device table for 2.4.0-test11
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1.2.1 (11/08/2000) greg kroah-hartman
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- Started to clean up NTisms.
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- Fixed problem with dev field of urb for kernels >= 2.4.0-test9
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1.2 (10/17/2000) David Iacovelli
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Remove all EPIC code and GPL source
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Fix RELEVANT_IFLAG macro to include flow control
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changes port configuration changes.
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Fix redefinition of SERIAL_MAGIC
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Change all timeout values to 5 seconds
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Tried to fix the UHCI multiple urb submission, but failed miserably.
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it seems to work fine with OHCI.
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( Greg take a look at the #if 0 at end of WriteCmdUsb() we must
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find a way to work arount this UHCI bug )
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1.1 (10/11/2000) David Iacovelli
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Fix XON/XOFF flow control to support both IXON and IXOFF
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0.9.27 (06/30/2000) David Iacovelli
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Added transmit queue and now allocate urb for command writes.
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0.9.26 (06/29/2000) David Iacovelli
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Add support for 80251 based edgeport
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0.9.25 (06/27/2000) David Iacovelli
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Do not close the port if it has multiple opens.
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0.9.24 (05/26/2000) David Iacovelli
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Add IOCTLs to support RXTX and JAVA POS
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and first cut at running BlackBox Demo
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0.9.23 (05/24/2000) David Iacovelli
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Add IOCTLs to support RXTX and JAVA POS
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0.9.22 (05/23/2000) David Iacovelli
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fixed bug in enumeration. If epconfig turns on mapping by
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path after a device is already plugged in, we now update
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the mapping correctly
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0.9.21 (05/16/2000) David Iacovelli
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Added BlockUntilChaseResp() to also wait for txcredits
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Updated the way we allocate and handle write URBs
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Add debug code to dump buffers
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0.9.20 (05/01/2000) David Iacovelli
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change driver to use usb/tts/
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0.9.19 (05/01/2000) David Iacovelli
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Update code to compile if DEBUG is off
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0.9.18 (04/28/2000) David Iacovelli
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cleanup and test tty_register with devfs
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0.9.17 (04/27/2000) greg kroah-hartman
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changed tty_register around to be like the way it
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was before, but now it works properly with devfs.
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0.9.16 (04/26/2000) david iacovelli
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Fixed bug in GetProductInfo()
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0.9.15 (04/25/2000) david iacovelli
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Updated enumeration
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0.9.14 (04/24/2000) david iacovelli
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Removed all config/status IOCTLS and
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converted to using /proc/edgeport
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still playing with devfs
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0.9.13 (04/24/2000) david iacovelli
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Removed configuration based on ttyUSB0
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Added support for configuration using /prod/edgeport
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first attempt at using devfs (not working yet!)
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Added IOCTL to GetProductInfo()
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Added support for custom baud rates
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Add support for random port numbers
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0.9.12 (04/18/2000) david iacovelli
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added additional configuration IOCTLs
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use ttyUSB0 for configuration
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0.9.11 (04/17/2000) greg kroah-hartman
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fixed module initialization race conditions.
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made all urbs dynamically allocated.
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made driver devfs compatible. now it only registers the tty device
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when the device is actually plugged in.
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0.9.10 (04/13/2000) greg kroah-hartman
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added proc interface framework.
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0.9.9 (04/13/2000) david iacovelli
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added enumeration code and ioctls to configure the device
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0.9.8 (04/12/2000) david iacovelli
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Change interrupt read start when device is plugged in
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and stop when device is removed
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process interrupt reads when all ports are closed
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(keep value of rxBytesAvail consistent with the edgeport)
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set the USB_BULK_QUEUE flag so that we can shove a bunch
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of urbs at once down the pipe
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0.9.7 (04/10/2000) david iacovelli
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start to add enumeration code.
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generate serial number for epic devices
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add support for kdb
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0.9.6 (03/30/2000) david iacovelli
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add IOCTL to get string, manufacture, and boot descriptors
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0.9.5 (03/14/2000) greg kroah-hartman
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more error checking added to SerialOpen to try to fix UHCI open problem
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0.9.4 (03/09/2000) greg kroah-hartman
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added more error checking to handle oops when data is hanging
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around and tty is abruptly closed.
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0.9.3 (03/09/2000) david iacovelli
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Add epic support for xon/xoff chars
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play with performance
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0.9.2 (03/08/2000) greg kroah-hartman
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changed most "info" calls to "dbg"
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implemented flow control properly in the termios call
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0.9.1 (03/08/2000) david iacovelli
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added EPIC support
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enabled bootloader update
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0.9 (03/08/2000) greg kroah-hartman
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Release to IO networks.
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Integrated changes that David made
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made getting urbs for writing SMP safe
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0.8 (03/07/2000) greg kroah-hartman
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Release to IO networks.
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Fixed problems that were seen in code by David.
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Now both Edgeport/4 and Edgeport/2 works properly.
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Changed most of the functions to use port instead of serial.
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0.7 (02/27/2000) greg kroah-hartman
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Milestone 3 release.
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Release to IO Networks
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ioctl for waiting on line change implemented.
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ioctl for getting statistics implemented.
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multiport support working.
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lsr and msr registers are now handled properly.
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change break now hooked up and working.
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support for all known Edgeport devices.
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0.6 (02/22/2000) greg kroah-hartman
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Release to IO networks.
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CHASE is implemented correctly when port is closed.
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SerialOpen now blocks correctly until port is fully opened.
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0.5 (02/20/2000) greg kroah-hartman
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Release to IO networks.
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Known problems:
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|
modem status register changes are not sent on to the user
|
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CHASE is not implemented when the port is closed.
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0.4 (02/16/2000) greg kroah-hartman
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Second cut at the CeBit demo.
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Doesn't leak memory on every write to the port
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Still small leaks on startup.
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Added support for Edgeport/2 and Edgeport/8
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0.3 (02/15/2000) greg kroah-hartman
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CeBit demo release.
|
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Force the line settings to 4800, 8, 1, e for the demo.
|
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Warning! This version leaks memory like crazy!
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0.2 (01/30/2000) greg kroah-hartman
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Milestone 1 release.
|
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Device is found by USB subsystem, enumerated, firmware is downloaded
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and the descriptors are printed to the debug log, config is set, and
|
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green light starts to blink. Open port works, and data can be sent
|
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and received at the default settings of the UART. Loopback connector
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and debug log confirms this.
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0.1 (01/23/2000) greg kroah-hartman
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Initial release to help IO Networks try to set up their test system.
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Edgeport4 is recognized, firmware is downloaded, config is set so
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device blinks green light every 3 sec. Port is bound, but opening,
|
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closing, and sending data do not work properly.
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