From: shawn.guo@freescale.com (Shawn Guo)
To: linux-arm-kernel@lists.infradead.org
Subject: gpio-mxc gpio get always returns 0 for outputs for IMX6
Date: Thu, 17 Jul 2014 10:41:04 +0800 [thread overview]
Message-ID: <20140717024103.GP2197@dragon> (raw)
In-Reply-To: <CA+sos7_nHFZ6pC87CVxviuQTxTQd0-Go4zdbPrek7CWqQyWiAg@mail.gmail.com>
On Wed, Jul 16, 2014 at 09:14:23PM +0200, Beno?t Th?baudeau wrote:
> > Instead of specifying SION setup in the config cell case by case, I
> > think we can do that directly in pin function ID for all cases where
> > GPIO mode is selected. I just sent a patch to do that. Please take
> > a look to see if it works for you.
>
> I don't find this patch on the ML.
The patch is too big to hit the list.
>
> Note that enabling SION for all pads in GPIO mode will have some
> impact on the power consumption. That's why SION is designed to be
> used on a per-pad basis, only when an output GPIO needs to be sensed.
Okay, in that case, we will have to leave the configuration option to
board DTS author.
Shawn
prev parent reply other threads:[~2014-07-17 2:41 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-11 15:34 gpio-mxc gpio get always returns 0 for outputs for IMX6 Tim Harvey
2014-07-11 16:02 ` Russell King - ARM Linux
2014-07-11 16:16 ` Alexander Shiyan
2014-07-11 16:22 ` Russell King - ARM Linux
2014-07-14 3:01 ` Fabio Estevam
2014-07-14 7:04 ` Shawn Guo
2014-07-14 12:56 ` Benoît Thébaudeau
2014-07-14 14:05 ` Shawn Guo
2014-07-15 17:28 ` Tim Harvey
2014-07-16 6:01 ` Shawn Guo
2014-07-16 19:14 ` Benoît Thébaudeau
2014-07-17 2:41 ` Shawn Guo [this message]
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