linux-kernel - Re: [PATCH RESEND] pinctrl: intel: Turn Baytrail support to tristate

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Message-ID: <20170126093823.GG17297@lahna.fi.intel.com>
Date:   Thu, 26 Jan 2017 11:38:23 +0200
From:   Mika Westerberg <mika.westerberg@...ux.intel.com>
To:     Takashi Iwai <tiwai@...e.de>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Jean Delvare <jdelvare@...e.de>,
        Paul Gortmaker <paul.gortmaker@...driver.com>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Mathias Nyman <mathias.nyman@...ux.intel.com>
Subject: Re: [PATCH RESEND] pinctrl: intel: Turn Baytrail support to tristate

On Thu, Jan 26, 2017 at 10:26:56AM +0100, Takashi Iwai wrote:
> I guess it would break things on some machines if the module loading
> order isn't setup properly.  For example, it's known that
> pinctrl-cherrytrail breaks MMC or others if it's loaded too lately.

Yes, if you have rootfs on eMMC and it requires a GPIO then of course
you need to make sure your initrd includes the necessary drivers. Same
goes with other media that can be used as rootfs.