Messages in this thread | | | From | Arnd Bergmann <> | Subject | Re: [PATCH 1/2] TTY: ami_serial, remove BTM from wait_until_sent | Date | Wed, 13 Jul 2011 14:56:28 +0200 |
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On Wednesday 13 July 2011, Jiri Slaby wrote: > The same as in "TTY: serial, remove BTM from wait_until_sent" we don't > need to take BTM in wait_until_sent of ami_serial. Exactly the same > as serial, ami_serial accesses some "info" members (xmit_fifo_size, > timeout), but their assignment on other places in the code is not > protected by BTM anyway. > > So the BTM protects nothing here. This removal helps us to get rid of > tty_locked() and __big_tty_mutex_owner in the following patch. This > was suggested by Arnd. > > Signed-off-by: Jiri Slaby <jslaby@suse.cz> > Cc: Arnd Bergmann <arnd@arndb.de> > Cc: Greg Kroah-Hartman <gregkh@suse.de> > Cc: Alan Cox <alan@linux.intel.com> > Cc: Andreas Bombe <aeb@debian.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
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