linux-kernel - Re: [PATCH V2] usb: remove unnecessary CONFIG_PM dependency from USB

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Message-ID: <20151028013121.GA10432@shlinux2>
Date:	Wed, 28 Oct 2015 09:31:22 +0800
From:	Peter Chen <peter.chen@...escale.com>
To:	Nathan Sullivan <nathan.sullivan@...com>
CC:	<gregkh@...uxfoundation.org>, <balbi@...com>,
	<linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH V2] usb: remove unnecessary CONFIG_PM dependency from
 USB_OTG

On Tue, Oct 27, 2015 at 05:21:11PM -0500, Nathan Sullivan wrote:
> The USB OTG support currently depends on power management
> (CONFIG_PM) being enabled, but does not actually need it enabled.
> Remove this dependency.
> 
> Tested on Bay Trail hardware with dwc3 USB.
> 
> Signed-off-by: Nathan Sullivan <nathan.sullivan@...com>
> ---
>  drivers/usb/core/Kconfig |    2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/usb/core/Kconfig b/drivers/usb/core/Kconfig
> index a99c89e..567454f 100644
> --- a/drivers/usb/core/Kconfig
> +++ b/drivers/usb/core/Kconfig
> @@ -43,8 +43,6 @@ config USB_DYNAMIC_MINORS
>  
>  config USB_OTG
>  	bool "OTG support"
> -	depends on PM
> -	default n

Why you remove the "default n", it does not mention in your commit log?

>  	help
>  	  The most notable feature of USB OTG is support for a
>  	  "Dual-Role" device, which can act as either a device
> -- 
> 1.7.10.4
> 
> --
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-- 

Best Regards,
Peter Chen
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