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

From Felipe Balbi <balbi@ti.com>
Newsgroups linux.kernel
Subject Re: [PATCH] USB: USB_OTG does not depend on PM
Date 2015-11-17 22:40 +0100
Message-ID <qvW8P-24z-35@gated-at.bofh.it> (permalink)
References <qvVFM-1Tz-7@gated-at.bofh.it>
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Hi,

Arnd Bergmann <arnd@arndb.de> writes:
> USB_OTG initially depended on USB_SUSPEND, which was later turned into
> PM_RUNTIME and finally into PM. I don't know at what point the dependency
> became unnecessary but it appears to work fine without CONFIG_PM now.
>
> However, we get lots of warnings in randconfig kernels like:
>
> warning: (USB_OTG_FSM && FSL_USB2_OTG && USB_MV_OTG) selects USB_OTG which has unmet direct dependencies (USB_SUPPORT && USB && PM)
>
> whenever CONFIG_PM is disabled and something else selects USB_OTG.
> Let's just drop the dependency to avoid the warnings.
>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---
> I keep seeing this one in my ARM randconfig test

and how did you test this ? Did you make sure you're not breaking HNP ?
For HNP to happen we depend on a bus_suspend and bus_suspend is only
available on CONFIG_PM, unless that has changed.

Seems like you've only compile tested this patch, is that correct ?

-- 
balbi

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Thread

[PATCH] USB: USB_OTG does not depend on PM Arnd Bergmann <arnd@arndb.de> - 2015-11-17 22:10 +0100
  Re: [PATCH] USB: USB_OTG does not depend on PM Felipe Balbi <balbi@ti.com> - 2015-11-17 22:40 +0100
    Re: [PATCH] USB: USB_OTG does not depend on PM Arnd Bergmann <arnd@arndb.de> - 2015-11-17 23:10 +0100
      Re: [PATCH] USB: USB_OTG does not depend on PM Felipe Balbi <balbi@ti.com> - 2015-11-17 23:30 +0100
      Re: [PATCH] USB: USB_OTG does not depend on PM Arnd Bergmann <arnd@arndb.de> - 2015-11-18 10:40 +0100

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