From 01b2d4536f0215c6d97d77e157afee04300ffc90 Mon Sep 17 00:00:00 2001
From: "Philip, Avinash" <avinashphilip@ti.com>
Date: Thu, 6 Sep 2012 10:44:25 +0530
Subject: [PATCH] pwm: pwm-tiehrpwm: Fix conflicting channel period setting

EHRPWM hardware supports 2 independent PWM channels. However the device
uses only one register to handle period setting for both channels. So
both channels should be configured for same period (in nsec).

Fix the same by returning error for conflicting period values.

However, allow
1. Configuration of period settings if not conflicting with other
channels
2. Re-configuring of period settings if no other channels being
configured

Signed-off-by: Philip, Avinash <avinashphilip@ti.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
---
Reading git-format-patch failed