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

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Date:	Mon, 5 Oct 2015 14:33:56 -0500
From:	Felipe Balbi <balbi@...com>
To:	Nathan Sullivan <nathan.sullivan@...com>,
	<gregkh@...uxfoundation.org>
CC:	<linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	Ben Shelton <ben.shelton@...com>,
	Nathan Sullivan <nathan.sullivan@...com>
Subject: Re: [PATCH] usb: remove unnecessary CONFIG_PM dependency from USB_OTG

Nathan Sullivan <nathan.sullivan@...com> writes:

> From: Ben Shelton <ben.shelton@...com>
>
> The USB gadget 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 |    1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/drivers/usb/core/Kconfig b/drivers/usb/core/Kconfig
> index a99c89e..9c5cdf3 100644
> --- a/drivers/usb/core/Kconfig
> +++ b/drivers/usb/core/Kconfig
> @@ -43,7 +43,6 @@ config USB_DYNAMIC_MINORS
>  
>  config USB_OTG
>  	bool "OTG support"
> -	depends on PM

IIRC we had this dependency because OTG needs support USB bus suspend
and afaict, that's only available on PM builds

-- 
balbi

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