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Message-ID: <CABxcv=mQoDxb7oHh0DdC_t1_m-j=4Hp-sPNoq4Apy4c7CneSng@mail.gmail.com>
Date:	Fri, 8 Jan 2016 12:00:13 -0300
From:	Javier Martinez Canillas <javier@...hile0.org>
To:	Wenyou Yang <wenyou.yang@...el.com>
Cc:	Sebastian Reichel <sre@...nel.org>,
	Dmitry Eremin-Solenikov <dbaryshkov@...il.com>,
	David Woodhouse <dwmw2@...radead.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>
Subject: Re: [PATCH 1/2] power: act8945a: add charger driver for ACT8945A

Hello Wenyou,

On Thu, Jan 7, 2016 at 11:13 PM, Wenyou Yang <wenyou.yang@...el.com> wrote:
> This patch adds new driver for Active-semi ACT8945A ActivePath
> charger (part of ACT8945A MFD driver) providing power supply class
> information to userspace.
>
> The driver is configured through DTS (battery and system related
> settings) and sysfs entries (timers and input over-voltage threshold).
>
> Signed-off-by: Wenyou Yang <wenyou.yang@...el.com>
> ---
>

[snip]

> +
> +static struct platform_driver act8945a_charger_driver = {
> +       .driver = {
> +               .name = "act8945a-charger",
> +       },
> +       .probe  = act8945a_charger_probe,
> +       .remove = act8945a_charger_remove,
> +};
> +

The driver is missing an OF match table (and also a platform ID match
table if non-DT is supported) so this means that module autoloading
will be broken for this driver since the platform uevent function will
report a MODALIAS=of:N*T*Cactive-semi,act8945a-charger

Matching is only working because the platform bus match function use
as a fallback the driver name.

Best regards,
Javier

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