linux-kernel - Re: [PATCH 2/4] ARM: use new LEDS CPU trigger stub to replace old one

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Message-ID: <BANLkTinCWcjNOR6uoGno1riRb+LBZLJ+Gg@mail.gmail.com>
Date:	Sun, 26 Jun 2011 13:08:01 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Bryan Wu <bryan.wu@...onical.com>
Cc:	linux-arm-kernel@...ts.infradead.org, rpurdie@...ys.net,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/4] ARM: use new LEDS CPU trigger stub to replace old one

Hi Bryan, notice that this:

2011/6/26 Bryan Wu <bryan.wu@...onical.com>:

> -               leds_event(led_idle_start);
> +               ledtrig_cpu(CPU_LED_IDLE_START);
(...)
> -               leds_event(led_idle_end);
> +               ledtrig_cpu(CPU_LED_IDLE_END);

That breaks all the old users of the CPU activity LEDs.

I only fixed up RealView and Versatile!

grep -r led_idle_start arch/arm/

Gives you a hint that you also have to retire custom LEDs from
orion, omap, at91, footbridge, sa1100, ks8695, shark, clps711x,
pxa and omap1.

You have to write a patch each an every one of these, and
since they all are already using that mechanism actively
you need to select the LED trigger in their Kconfig.

Thanks,
Linus Walleij
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