linux-kernel - Re: [RFC PATCH v3 2/3] regmap-irq: Add support for POLARITY_HI and POLARITY

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Date:   Fri, 12 Mar 2021 12:19:16 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Guru Das Srinagesh <gurus@...eaurora.org>
Cc:     Markus Elfring <Markus.Elfring@....de>,
        Lee Jones <lee.jones@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Greg KH <gregkh@...uxfoundation.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Joe Perches <joe@...ches.com>,
        Subbaraman Narayanamurthy <subbaram@...eaurora.org>,
        David Collins <collinsd@...eaurora.org>,
        Anirudh Ghayal <aghayal@...eaurora.org>,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [RFC PATCH v3 2/3] regmap-irq: Add support for POLARITY_HI and
 POLARITY_LO config regs

On Wed, Mar 10, 2021 at 04:39:53PM -0800, Guru Das Srinagesh wrote:
> If an interrupt is already configured as either edge- or
> level-triggered, setting the corresponding bit for it in the POLARITY_HI
> register further configures it as rising-edge or level-high triggered
> (as the case may be), while setting the same bit in POLARITY_LO further
> configures it as falling-edge or level-low triggered.

I think you probably need to bring these three fields together into a
single virtual field and then map the values within that field using
the existing type stuff.

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