Re: [PATCH] USB: ftdi_sio: Fix locking for change_speed() function

[Alan Cox]

On Mon,  8 Mar 2010 14:10:03 +0100
Alessio Igor Bogani <abogani@xxxxxxxxxx> wrote:

> The change_speed() function set the baudrate of the device: so this function
> should be serialized against multiple calls. Use the cfg_lock mutex to do this.

Should be ok anyway the set_termios callback occurs under the tty termios
lock, and will not occur in parallel with an initial open or final close.

Alan
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