From: Kevin Hilman <khilman@baylibre.com>
To: Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
Loys Ollivier <lollivier@baylibre.com>
Cc: devicetree@vger.kernel.org, linux-amlogic@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org,
Linus Walleij <linus.walleij@linaro.org>,
Jerome Brunet <jbrunet@baylibre.com>
Subject: Re: [PATCH v3] arm64: dts: meson: Fix mmc cd-gpios polarity
Date: Fri, 11 Jan 2019 11:55:57 -0800 [thread overview]
Message-ID: <7hy37rm0j6.fsf@baylibre.com> (raw)
In-Reply-To: <CAFBinCDM4BTx0Ude-M=O6B2bXPE9EdfD=VxZfFzR9Dc=yT+xWQ@mail.gmail.com>
Martin Blumenstingl <martin.blumenstingl@googlemail.com> writes:
> Hi,
>
> some nit-picks as well as my Tested-by (in case it's not too late) below.
> thank you for taking care of this!
>
> On Thu, Jan 10, 2019 at 4:40 PM Loys Ollivier <lollivier@baylibre.com> wrote:
>>
>> Commit 89a5e15bcba8 ("gpio/mmc/of: Respect polarity in the device tree")
>> changed the behavior of "cd-inverted" to follow the device tree bindings
>> specification.
>> Lines specifying "cd-inverted" are now "active high".
> this depends on the polarity from the cd-gpios property. above commit
> caused cd-inverted to be applied twice (effectively making it a
> no-op). thus "cd-inverted" only means "active high" if cd-gpios also
> sets GPIO_ACTIVE_HIGH. if the polarity in cd-gpios is GPIO_ACTIVE_LOW
> together with "cd-inverted" then the GPIO will be treated as active
> low.
>
>> Fix the SD card for meson by setting the cd-gpios as "active low" according
>> to the boards specifications.
> not only switching to GPIO_ACTIVE_LOW, also dropping "cd-inverted"
>
>> Fixes: 89a5e15bcba8 ("gpio/mmc/of: Respect polarity in the device tree")
> in my patches for the 32-bit boards I used the commit which added SD
> card support to the board for the Fixes tag. however, I'm fine with
> this as well (I just wanted to point out that there's a small
> difference in our commits).
>
>> Signed-off-by: Loys Ollivier <lollivier@baylibre.com>
> on my Khadas VIM(1), using Kevin's v5.0/fixes branch:
> Tested-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
I can add this tested-by tag in my v5.0/fixes branch for now, and can
replace it with a follow up if Loys can update the changelog with your
suggestions/clarifications.
Thanks,
Kevin
next prev parent reply other threads:[~2019-01-11 19:56 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-10 15:40 [PATCH v3] arm64: dts: meson: Fix mmc cd-gpios polarity Loys Ollivier
2019-01-11 1:28 ` Kevin Hilman
2019-01-11 19:46 ` Martin Blumenstingl
2019-01-11 19:55 ` Kevin Hilman [this message]
2019-01-14 13:30 ` Loys Ollivier
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=7hy37rm0j6.fsf@baylibre.com \
--to=khilman@baylibre.com \
--cc=devicetree@vger.kernel.org \
--cc=jbrunet@baylibre.com \
--cc=linus.walleij@linaro.org \
--cc=linux-amlogic@lists.infradead.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mmc@vger.kernel.org \
--cc=lollivier@baylibre.com \
--cc=martin.blumenstingl@googlemail.com \
/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).