linux-kernel - Re: [PATCH v2] misc: adds support the FSA9480 USB Switch

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Date:	Wed, 10 Nov 2010 09:49:26 -0800
From:	Greg KH <greg@...ah.com>
To:	Minkyu Kang <promsoft@...il.com>
Cc:	Minkyu Kang <mk7.kang@...sung.com>, linux-kernel@...r.kernel.org,
	linux-i2c@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	kyungmin.park@...sung.com, Ben Dooks <ben-i2c@...ff.org>
Subject: Re: [PATCH v2] misc: adds support the FSA9480 USB Switch

On Wed, Nov 10, 2010 at 09:55:34AM +0900, Minkyu Kang wrote:
> Dear Greg KH,
> 
> On 12 October 2010 02:36, Greg KH <greg@...ah.com> wrote:
> > On Mon, Oct 11, 2010 at 10:32:33AM +0900, Minkyu Kang wrote:
> >> The FSA9480 is a USB port accessory detector and switch.
> >> This patch adds support the FSA9480 USB Switch.
> >>
> >> Signed-off-by: Minkyu Kang <mk7.kang@...sung.com>
> >> Signed-off-by: Kyungmin Park <kyungmin.park@...sung.com>
> >> ---
> >> v2:
> >> ?use the threaded irq
> >> ?fix the sysfs
> >>
> >> ?drivers/misc/Kconfig ? ?| ? ?9 +
> >> ?drivers/misc/Makefile ? | ? ?1 +
> >> ?drivers/misc/fsa9480.c ?| ?544 +++++++++++++++++++++++++++++++++++++++++++++++
> >> ?include/linux/fsa9480.h | ? 40 ++++
> >
> > Why do you need a .h file here for a single driver?
> 
> Because of platform data.

Then put it in include/linux/platform_data/ instead please.

> > You are creating new sysfs files, so you are required to add a new
> > Documentation/ABI file as well, please add that to this patch.
> 
> ok.
> 
> >
> > And why are you exporting symbols from this driver, that should not be
> > needed at all.
> 
> It's for other drivers.
> For example.. When USB cable is connected, PMIC driver enable the
> power for each device. (USB, uart, audio and so on..)
> But if use the manual switch, PMIC driver can't know what device is enabled.
> So, this function was exported.

What drivers are using these functions?  Where is the code for them?
When will they be submitted for inclusion?

thanks,

greg k-h
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