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From: "Henrik Rydberg" <rydberg@euromail.se>
Date: Tue, 3 Jul 2012 09:11:02 +0200
To: Fengguang Wu <fengguang.wu@intel.com>
Cc: Jan Beulich <jbeulich@suse.com>, Jiri Kosina <jkosina@suse.cz>,
        LKML <linux-kernel@vger.kernel.org>
Subject: Re: hid/Kconfig:7:error: recursive dependency detected!
Message-ID: <20120703071102.GA5072@polaris.bitmath.org>
References: <20120703040640.GA8236@localhost>
 <20120703064407.GA4854@polaris.bitmath.org>
 <20120703064954.GB17367@localhost>
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On Tue, Jul 03, 2012 at 02:49:54PM +0800, Fengguang Wu wrote:
> On Tue, Jul 03, 2012 at 08:44:07AM +0200, Henrik Rydberg wrote:
> > Hi Fengguang,
> > 
> > > I got this error while doing randconfig test:
> > > 
> > >         drivers/hid/Kconfig:7:error: recursive dependency detected!
> > >         drivers/hid/Kconfig:7:  symbol HID is selected by USB_HID
> > >         drivers/hid/usbhid/Kconfig:4:   symbol USB_HID depends on HID
> > 
> > What kernel tree does this apply to? Reading through the code again
> > and testing your configuration, I cannot reproduce the
> > problem. Indeed, in my tree, USB_HID does not depend on HID.
> 
> Henrik, I'm testing on today's linux-next.

Ah, yes, I see it. The problem is also present in Jiri's for-next
tree. Jiri: the manual merge of drivers/hid/Kconfig seems to have gone
wrong; in particular, the source of the usbhid config is inside the
"if HID" statement, which creates the problem seen by Fengguang.

Thanks,
Henrik