linux-kernel - Re: 3.20-rc0 breaks nfsroot over usb

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Message-ID: <20150226230307.GA27809@fuloong-minipc.musicnaut.iki.fi>
Date:	Fri, 27 Feb 2015 01:03:07 +0200
From:	Aaro Koskinen <aaro.koskinen@....fi>
To:	Pavel Machek <pavel@....cz>, Arnd Bergmann <arnd@...db.de>
Cc:	pali.rohar@...il.com, sre@...ian.org, sre@...g0.de,
	kernel list <linux-kernel@...r.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	linux-omap@...r.kernel.org, tony@...mide.com, khilman@...nel.org,
	ivo.g.dimitrov.75@...il.com, patrikbachan@...il.com,
	Sakari Ailus <sakari.ailus@....fi>
Subject: Re: 3.20-rc0 breaks nfsroot over usb

Hi,

On Thu, Feb 26, 2015 at 11:19:50PM +0100, Pavel Machek wrote:
> Ok, it seems that new config dependencies broke my kconfig. These will
> not be enabled if you just to make oldconfig; you want to make sure
> they are on.
> 
>  OMAP2430 and onwards (USB_MUSB_OMAP2PLUS) [N/m/y] (NEW)
> TWL4030 USB Transceiver Driver (TWL4030_USB) [N/m/y/?] (NEW)

Yes, also other users have reported "USB breakage" with 4.0-rc1 on N900
etc caused by this.

Commit fbba7db3990cb707ff91cd6507d53a0a730afe97 (usb: musb:
add omap-control dependency) changed USB_MUSB_OMAP2PLUS to depend
on OMAP_CONTROL_PHY but that seems to be wrong at least for OMAP3.
omap_control_phy.h provides dummy functions when it's not enabled.
So there should be no dependency.

A.
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