From: Alan Cox <alan@linux.intel.com>
Date: Tue, 1 Jun 2010 20:52:59 +0000 (+0200)
Subject: serial: trim locking on the helpers
X-Git-Tag: v2.6.36-rc1~294^2~36
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=24fcc7c8cd0fcabcf37d455abe3501b3196fcf64;p=pandora-kernel.git

serial: trim locking on the helpers

The port mutex protects port->tty, but these paths never need to walk from
port->tty. They do need the low level lock as the API expects that but they
already also take it.

Thus we can drop the extra mutex lock calls here.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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