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

From: Minkyu Kang
Date: Tue Nov 09 2010 - 19:55:44 EST


Dear Greg KH,

On 12 October 2010 02:36, Greg KH <greg@xxxxxxxxx> 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@xxxxxxxxxxx>
>> Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
>> ---
>> 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.

>
> 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.

>
>
>> +/*
>> + * fsa9480.c - FSA9480 micro USB switch device driver
>> + *
>> + * Copyright (C) 2010 Samsung Electronics
>> + * Minkyu Kang <mk7.kang@xxxxxxxxxxx>
>> + * Wonguk Jeong <wonguk.jeong@xxxxxxxxxxx>
>> + *
>> + * This program is free software; you can redistribute it and/or modify
>> + * it under the terms of the GNU General Public License as published by
>> + * the Free Software Foundation; either version 2 of the License, or
>> + * (at your option) any later version.
>
> Are you positive about that "any later version" portion of this?

I will update the licence.

>
> thanks,
>
> greg k-h
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Thanks
Minkyu Kang
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