HI Kevin
On 04/30/18 23:35, Kevin Hilman wrote:
> On Fri, Apr 27, 2018 at 6:56 PM, Yixun Lan <yixun.lan@xxxxxxxxxxx> wrote:
>> On 04/28/18 03:09, Kevin Hilman wrote:
>>> Yixun Lan <yixun.lan@xxxxxxxxxxx> 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@xxxxxxxxxxx>
>>>> ---
>>>> .../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
>
> .
>
As we already talked offline, this error was introduced exactly in the
v4.18 cycle, so I will send a fix which can be squashed into the old commit
Yixun
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