From: Laurent Pinchart <laurentp@cse-semaphore.com>
Date: Thu, 24 Jul 2008 16:36:37 +0000 (+0200)
Subject: cpm_uart: Modem control lines support
X-Git-Tag: v2.6.27-rc2~117^2~7^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7485d26b7e13ee8ff82adb271ac90a996c1fe830;p=pandora-kernel.git

cpm_uart: Modem control lines support

This patch replaces the get_mctrl/set_mctrl stubs with modem control line
read/write access through the GPIO lib.

Available modem control lines are described in the device tree using GPIO
bindings. The driver expect a GPIO pin for each of the CTS, RTS, DCD, DSR,
DTR and RI signals. Unused control lines can be left out.

Signed-off-by: Laurent Pinchart <laurentp@cse-semaphore.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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