linux-kernel - Re: [PATCH v3 1/1] pinctrl: baytrail: Warn if direct IRQ GPIO set to output

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Message-ID: <CACRpkdbU-d7Gdji2fJr4h7bC58d63E_CAVeSHZm3ARuut1UFKQ@mail.gmail.com>
Date:	Thu, 12 Jun 2014 09:49:27 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	eric.ernst@...ux.intel.com
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Mark Gross <mark.gross@...el.com>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>
Subject: Re: [PATCH v3 1/1] pinctrl: baytrail: Warn if direct IRQ GPIO set to output

On Wed, Jun 4, 2014 at 12:25 AM,  <eric.ernst@...ux.intel.com> wrote:

> From: Eric Ernst <eric.ernst@...ux.intel.com>
>
> For Baytrail, you should never set a GPIO set to direct_irq
> to output mode.  When direct_irq_en is set for a GPIO, it is
> tied directly to an APIC internally, and making the pad output
> does not make any sense. Assert a WARN() in the event this happens.
>
> Signed-off-by: Eric Ernst <eric.ernst@...ux.intel.com>

This does not apply to my devel branch or Torvald's HEAD.
Please rebase and repost, and include Mika's ACK.

Yours,
Linus Walleij
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