From: Peter Hurley <peter@hurleysoftware.com>
Date: Thu, 16 Oct 2014 20:54:26 +0000 (-0400)
Subject: serial: core: Remove extra locking in uart_write()
X-Git-Tag: omap-for-v3.19/fixes-rc1~86^2~159
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=64dbee31050d5b93b5fcda25508e4d3c69f6589c;p=pandora-kernel.git

serial: core: Remove extra locking in uart_write()

uart_start() only claims the port->lock to call __uart_start(),
which does the actual processing. Eliminate the extra acquire/release
in uart_write(); call __uart_start() directly with port->lock already
held.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

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