Re: [PATCH v2 6/6] pinctrl: st: Display pin's function when printing pinctrl debug information
From: Linus Walleij
Date: Wed Mar 25 2015 - 11:39:55 EST
On Wed, Mar 18, 2015 at 6:21 PM, Lee Jones <lee.jones@xxxxxxxxxx> wrote:
> 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@xxxxxx>
> Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
Patch applied.
Yours,
Linus Walleij
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