linux-kernel - Re: [PATCH 00/12] Support wakeup capable GPIOs

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Date:   Fri, 15 Nov 2019 11:35:24 -0800
From:   Stephen Boyd <swboyd@...omium.org>
To:     Lina Iyer <ilina@...eaurora.org>, bjorn.andersson@...aro.org,
        linus.walleij@...aro.org, maz@...nel.org
Cc:     evgreen@...omium.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, mkshah@...eaurora.org,
        linux-gpio@...r.kernel.org, agross@...nel.org,
        dianders@...omium.org, Lina Iyer <ilina@...eaurora.org>
Subject: Re: [PATCH 00/12] Support wakeup capable GPIOs

Quoting Lina Iyer (2019-11-14 10:35:09)
> Hi all,
> 
> Thanks for all the reviews.
> 
> Here is the next spin of the wakeup capable GPIO support. In order to
> facilitate basic support available in the kernel, I have dropped the SPI
> register configuration. The feature was added when this series was
> restarted based on new hierarchy support in gpiolib. But, the SPI
> configuration can be done in the firmware. This would avoid a whole lot
> of code in linux that serve little to no purpose. Users of GPIO never
> have the need to change the trigger type (level edge and vice-versa) and
> the basic configuration can be set in the firmware before boot.

Awesome! I'm glad we don't need to worry about configuring that in the
kernel.