From a8381faca5ec90b7eea94ce575e90af86e2c9a9e Mon Sep 17 00:00:00 2001
From: Lee Jones <lee.jones@linaro.org>
Date: Wed, 18 Mar 2015 17:21:19 +0000
Subject: [PATCH] pinctrl: st: Display pin's function when printing pinctrl
 debug information

Great for easily determining which mode a pin is operating in.
This patch was particularly helpful when debugging a recent GPIO/
Pinctrl disparity issue.

Before:
    $ cat /sys/kernel/debug/pinctrl/<pin-controller>/pinconf-pins
      pin 33 (PIO4[1]):[OE:0,PU:0,OD:0]
             [retime:0,invclk:0,clknotdat:0,de:0,rt-clk:0,rt-delay:0]

After [GPIO]:
    $ cat /sys/kernel/debug/pinctrl/<pin-controller>/pinconf-pins
      pin 33 (PIO4[1]):[OE:0,PU:0,OD:0] GPIO
             [retime:0,invclk:0,clknotdat:0,de:0,rt-clk:0,rt-delay:0]

After [Alt]:
    $ cat /sys/kernel/debug/pinctrl/<pin-controller>/pinconf-pins
      pin 33 (PIO4[1]):[OE:0,PU:0,OD:0] Alt Fn 2
             [retime:0,invclk:0,clknotdat:0,de:0,rt-clk:0,rt-delay:0]

Acked-by: Maxime Coquelin <maxime.coquelin@st.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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