linux-kernel - Re: [RFC][PATCH 8/9] usb: otg-fsm: Remove unused members in struct otg

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Date:	Thu, 19 Mar 2015 12:20:47 +0200
From:	Roger Quadros <rogerq@...com>
To:	Peter Chen <peter.chen@...escale.com>
CC:	<gregkh@...uxfoundation.org>, <balbi@...com>,
	<stern@...land.harvard.edu>, <dan.j.williams@...el.com>,
	<jun.li@...escale.com>, <mathias.nyman@...ux.intel.com>,
	<linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-omap@...r.kernel.org>
Subject: Re: [RFC][PATCH 8/9] usb: otg-fsm: Remove unused members in struct
 otg_fsm

On 19/03/15 05:46, Peter Chen wrote:
> On Wed, Mar 18, 2015 at 03:56:02PM +0200, Roger Quadros wrote:
>> These members are not used anywhere so remove them.
>>
>> Signed-off-by: Roger Quadros <rogerq@...com>
>> ---
>>  include/linux/usb/otg-fsm.h | 5 -----
>>  1 file changed, 5 deletions(-)
>>
>> diff --git a/include/linux/usb/otg-fsm.h b/include/linux/usb/otg-fsm.h
>> index b6ba1bf..176c4fc 100644
>> --- a/include/linux/usb/otg-fsm.h
>> +++ b/include/linux/usb/otg-fsm.h
>> @@ -95,11 +95,6 @@ struct otg_fsm {
>>  	int b_hnp_enable;
>>  	int a_clr_err;
>>  
>> -	/* Informative variables */
>> -	int a_bus_drop_inf;
>> -	int a_bus_req_inf;
>> -	int a_clr_err_inf;
>> -	int b_bus_req_inf;
>>  	/* Auxilary informative variables */
>>  	int a_suspend_req_inf;
>>  
> 
> But the above are defined at: ch 7.4.4, On-The-Go and Embedded Host
> Supplement to the USB Revision 2.0 Specification

I can leave them there then but just add a note saying that they are
not yet used by the OTG FSM.

cheers,
-roger
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