From: Tony Lindgren <tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
To: Mugunthan V N <mugunthanvnm-l0cyMroinI0@public.gmane.org>
Cc: linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Sekhar Nori <nsekhar-l0cyMroinI0@public.gmane.org>
Subject: Re: [PATCH 0/3] Fix mmc/sd card detect gpio dt definition
Date: Mon, 12 Oct 2015 16:48:31 -0700 [thread overview]
Message-ID: <20151012234831.GT23801@atomide.com> (raw)
In-Reply-To: <1444640832-7396-1-git-send-email-mugunthanvnm-l0cyMroinI0@public.gmane.org>
* Mugunthan V N <mugunthanvnm-l0cyMroinI0@public.gmane.org> [151012 02:12]:
> The mmc/sd card detect gpio definition in DT is not defined as
> per hardware design, the card detect gpio is an active low
> signal.
>
> As per MMC/SD device tree binding documentation, the card detect
> signal should be an active low signal and when ever a hardware is
> designed with an active high card detect gpio then "cd-inverted"
> dt parameter should be used to detect the actual status for the
> card.
>
> This was not captured till now because gpio is used as interrupt
> source and mmc_rescan task is scheduled. The value of the gpio
> is not used to determine card presence.
OK applying into omap-for-v4.4/dt thanks.
Tony
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
prev parent reply other threads:[~2015-10-12 23:48 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-12 9:07 [PATCH 0/3] Fix mmc/sd card detect gpio dt definition Mugunthan V N
[not found] ` <1444640832-7396-1-git-send-email-mugunthanvnm-l0cyMroinI0@public.gmane.org>
2015-10-12 9:07 ` [PATCH 1/3] ARM: DTS: am335x: fix cd-gpios definition as per hardware design and dt binding docs Mugunthan V N
2015-10-12 9:07 ` [PATCH 2/3] ARM: DTS: am43xx: " Mugunthan V N
2015-10-12 9:07 ` [PATCH 3/3] ARM: DTS: dra7xx: am57xx: " Mugunthan V N
2015-10-12 23:48 ` Tony Lindgren [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20151012234831.GT23801@atomide.com \
--to=tony-4v6ys6ai5vpbdgjk7y7tuq@public.gmane.org \
--cc=devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=mugunthanvnm-l0cyMroinI0@public.gmane.org \
--cc=nsekhar-l0cyMroinI0@public.gmane.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).