From: Vincent Guittot <vincent.guittot@linaro.org>
To: Wei Xu <xuwei5@hisilicon.com>
Cc: Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
LAK <linux-arm-kernel@lists.infradead.org>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
Linus Walleij <linus.walleij@linaro.org>
Subject: Re: [PATCH v2] arm64/hisilicon: fix SDcard detection
Date: Sat, 2 Feb 2019 09:52:52 +0100 [thread overview]
Message-ID: <CAKfTPtDcHC=gbKciUVWb6_q=qyEcBZNnYpQ_VvYo0EsbST41BQ@mail.gmail.com> (raw)
In-Reply-To: <3722223a-4f06-3e1c-86ca-542289c7c918@hisilicon.com>
Hi Wei,
On Fri, 1 Feb 2019 at 18:00, Wei Xu <xuwei5@hisilicon.com> wrote:
>
> Hi Vincent,
>
> On 1/14/2019 8:24 AM, Vincent Guittot wrote:
> > The SDcard detection of hikey960 is active low so cd-inverted is wrong.
> > Instead of adding cd-inverted, we should better set correctly cd-gpios
> > to use GPIO_ACTIVE_LOW.
> >
> > Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>
>
> Updated the subject as Leo suggested and applied to the hisilicon tree.
Thanks
> Thanks!
>
> Best Regards,
> Wei
>
> > ---
> >
> > SD card detection was not working on v5.0-rc1 but patch
> > https://marc.info/?l=linux-mmc&m=154637189021211&w=2 makes it work.
> > Nevertheles, latest changes in of_mmc_detection makes possible to have
> > a correct DT config.
> >
> > arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts | 3 +--
> > 1 file changed, 1 insertion(+), 2 deletions(-)
> >
> > diff --git a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
> > index 71bfe41..dc314e7 100644
> > --- a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
> > +++ b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
> > @@ -665,8 +665,7 @@
> > sd-uhs-sdr50;
> > sd-uhs-sdr104;
> > disable-wp;
> > - cd-inverted;
> > - cd-gpios = <&gpio25 3 0>;
> > + cd-gpios = <&gpio25 3 GPIO_ACTIVE_LOW>;
> > pinctrl-names = "default";
> > pinctrl-0 = <&sd_pmx_func
> > &sd_clk_cfg_func
> >
>
prev parent reply other threads:[~2019-02-02 8:53 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-14 8:24 [PATCH v2] arm64/hisilicon: fix SDcard detection Vincent Guittot
2019-01-14 8:28 ` Linus Walleij
2019-01-14 8:36 ` Leo Yan
2019-02-01 17:00 ` Wei Xu
2019-02-02 8:52 ` Vincent Guittot [this message]
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