linux-kernel - Re: [PATCH] USB: USB_OTG does not depend on PM

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Date:	Wed, 18 Nov 2015 17:41:48 +0800
From:	Peter Chen <peter.chen@...escale.com>
To:	Arnd Bergmann <arnd@...db.de>
CC:	Felipe Balbi <balbi@...com>, <gregkh@...uxfoundation.org>,
	<linux-usb@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] USB: USB_OTG does not depend on PM

On Wed, Nov 18, 2015 at 10:38:18AM +0100, Arnd Bergmann wrote:
> On Wednesday 18 November 2015 11:17:50 Peter Chen wrote:
> > From 3a6918dae038aadc200dcf0263f4440acc2353d4 Mon Sep 17 00:00:00 2001
> > From: Peter Chen <peter.chen@...escale.com>
> > Date: Wed, 18 Nov 2015 11:06:34 +0800
> > Subject: [PATCH 1/1] usb: kconfig: fix warning of select USB_OTG
> > 
> > When choose randconfig for kernel build, it reports below warning:
> > "warning: (USB_OTG_FSM && FSL_USB2_OTG && USB_MV_OTG) selects USB_OTG
> > which has unmet direct dependencies (USB_SUPPORT && USB && PM)"
> > 
> > In fact, USB_OTG is visual symbol and depends on PM, so the driver
> 
>                       visible ?

Yes, will change this typo

> 
> > needs to depend on it to reduce dependency problem.
> > 
> > Signed-off-by: Peter Chen <peter.chen@...escale.com>
> > Reported-by: Arnd Bergmann <arnd@...db.de>
> > Cc: Felipe Balbi <balbi@...com>
> 
> Acked-by: Arnd Bergmann <arnd@...db.de>
> 
> I was a bit worried that this might break defconfig files that now
> no longer automatically get OSB_OTG enabled, but I have checked all
> defconfig files we have in the kernel and none of them uses
> USB_OTG_FSM, FSL_USB2_OTG or USB_MV_OTG, so we are fine.

Thanks.

> 
> Thanks!
> 
> 	Arnd

-- 

Best Regards,
Peter Chen
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