linux-kernel - Re: [PATCH RFC 4/5] gnss: sirf: add a separate supply for a lna

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Message-ID: <20181127180356.GA32751@localhost>
Date:   Tue, 27 Nov 2018 19:03:57 +0100
From:   Pavel Machek <pavel@....cz>
To:     Andreas Kemnade <andreas@...nade.info>
Cc:     johan@...nel.org, robh+dt@...nel.org, mark.rutland@....com,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Discussions about the Letux Kernel 
        <letux-kernel@...nphoenux.org>
Subject: Re: [PATCH RFC 4/5] gnss: sirf: add a separate supply for a lna

Hi!

> Devices might have a separate lna between antenna output of the gps
> chip and the antenna which might have a separate supply

Might have.

> @@ -340,6 +349,12 @@ static int sirf_probe(struct serdev_device *serdev)
>  		goto err_put_device;
>  	}
>  
> +	data->lna = devm_regulator_get(dev, "lna");
> +	if (IS_ERR(data->lna)) {
> +		ret = PTR_ERR(data->lna);
> +		goto err_put_device;
> +	}
> +

But it is not optional in the code. Probably should be?
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html