linux-kernel - Re: [PATCH/RFT v2 09/17] regulator: fixed: Add over current event

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Date:   Tue, 25 Oct 2016 15:33:04 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Axel Haslam <ahaslam@...libre.com>
Cc:     Greg KH <gregkh@...uxfoundation.org>,
        Johan Hovold <johan@...nel.org>, robh+dt@...nel.org,
        Sekhar Nori <nsekhar@...com>,
        Alan Stern <stern@...land.harvard.edu>,
        Kevin Hilman <khilman@...libre.com>,
        Sergei Shtylyov <sshtylyov@...mvista.com>,
        David Lechner <david@...hnology.com>,
        manjunath.goudar@...aro.org,
        Alexandre Bailon <abailon@...libre.com>,
        linux-usb@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH/RFT v2 09/17] regulator: fixed: Add over current event

On Tue, Oct 25, 2016 at 02:55:48PM +0200, Axel Haslam wrote:

> To be able to use regulator to handle the overcurrent pin, i need to be able
> to somehow retrieve the over current pin state from the regulator driver.

What makes you say that, none of the existing users need this?  

> As i was trying your suggestion, i remembered why i thought i should use
> mode instead of status: Status seems to be for internal regulator driver use,
> there is no regulator_get_status, function and REGULATOR_STATUS_* are defined
> in driver.h and not in consumer.h as  REGULATOR_MODE_*

> Would you be ok if i allow consumers to get the status via a new
> "regulator_get_status" call?

What would they do with this information that they can't do with the
existing error notification?

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