linux-kernel - Re: [PATCH v7 1/4] gadget: Introduce the usb charger framework

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Date:	Wed, 30 Mar 2016 10:44:58 -0700
From:	Mark Brown <broonie@...nel.org>
To:	Felipe Balbi <balbi@...nel.org>
Cc:	Baolin Wang <baolin.wang@...aro.org>, gregkh@...uxfoundation.org,
	sre@...nel.org, dbaryshkov@...il.com, dwmw2@...radead.org,
	peter.chen@...escale.com, stern@...land.harvard.edu,
	r.baldyga@...sung.com, yoshihiro.shimoda.uh@...esas.com,
	lee.jones@...aro.org, ckeepax@...nsource.wolfsonmicro.com,
	patches@...nsource.wolfsonmicro.com, linux-pm@...r.kernel.org,
	linux-usb@...r.kernel.org,
	device-mainlining@...ts.linuxfoundation.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7 1/4] gadget: Introduce the usb charger framework

On Wed, Mar 30, 2016 at 01:09:00PM +0300, Felipe Balbi wrote:
> Baolin Wang <baolin.wang@...aro.org> writes:

> > +#include <linux/of.h>
> > +#include <linux/of_device.h>
> > +#include <linux/of_address.h>
> > +#include <linux/platform_device.h>

> not very nice to depend on either of or platform_device here. What about
> PCI-based devices ?

The header inclusion shouldn't be conditional though.  But looking at
the patch I can't immediately see any use of these in the code anyway.

> > +static DEVICE_ATTR_RW(sdp_limit);

> why RW ? Who's going to use these ? Also, you're not documenting this
> new sysfs file.

If they end up not writeable should we just remove them entirely since
they should just be the spec values?

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