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From: Kevin Hilman <khilman@baylibre.com>
To: Yixun Lan <yixun.lan@amlogic.com>
Cc: Carlo Caione <carlo@caione.org>,
	Jerome Brunet <jbrunet@baylibre.com>,
	linux-amlogic <linux-amlogic@lists.infradead.org>,
	linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
	lkml <linux-kernel@vger.kernel.org>,
	devicetree <devicetree@vger.kernel.org>
Subject: Re: [PATCH] ARM64: dts: meson-axg: enable AP6255 wifi module
Date: Mon, 30 Apr 2018 08:35:47 -0700	[thread overview]
Message-ID: <CAOi56cXKmv_Us1wDcMOYbdjFzZcLVu_t210Yrv891wKi22hV8A@mail.gmail.com> (raw)
In-Reply-To: <30de15b8-4cc4-7f97-d134-7af75cb6ace1@amlogic.com>

On Fri, Apr 27, 2018 at 6:56 PM, Yixun Lan <yixun.lan@amlogic.com> wrote:
> On 04/28/18 03:09, Kevin Hilman wrote:
>> Yixun Lan <yixun.lan@amlogic.com> writes:
>>
>>> The Meson-AXG S400 board is shipped with AP6255 wifi module,
>>> which is actually using the brcmfmac 43455 driver.
>>>
>>> Signed-off-by: Yixun Lan <yixun.lan@amlogic.com>
>>> ---
>>>  .../arm64/boot/dts/amlogic/meson-axg-s400.dts | 44 ++++++++++++++++++-
>>>  1 file changed, 43 insertions(+), 1 deletion(-)
>>>
>>> diff --git a/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts b/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
>>> index f67d4e47e641..b3e1bdca32bb 100644
>>> --- a/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
>>> +++ b/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
>>> @@ -51,7 +51,16 @@
>>>
>>>      sdio_pwrseq: sdio-pwrseq {
>>>              compatible = "mmc-pwrseq-simple";
>>> -            reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
>>> +            reset-gpios = <&gpio GPIOX_7 GPIO_ACTIVE_LOW>;
>>
>> You didn't mention this GPIO change in the changelog.  Is it
>> intentional?
>
> Yes, the 'sdio_pwrseq' is used by wifi driver till now
> previous the reset-gpio is wrongly configured (copy & paste error),
> according to the schematics, it's GPIOX_7 which need to be fixed here.
>
> to be clean, in s400 board
>  GPIOX_6 is WIFI_WAKE_HOST pin
>  GPIOX_7 is WIFI_PWREN pin
>
> do you want me to put a note into the commit message? and resend this patch?

OK, thanks for the explanation.

I'd prefer the GPIO pin fix as a separate, standalone patch.

Thanks,

Kevin

  reply	other threads:[~2018-04-30 15:35 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-23 14:57 Yixun Lan
2018-04-27 19:09 ` Kevin Hilman
2018-04-28  1:56   ` Yixun Lan
2018-04-30 15:35     ` Kevin Hilman [this message]
2018-05-04  1:44       ` Yixun Lan

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