linux-kernel - Re: [kconfig] update: results of some syntactical checks

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Date:	Tue, 11 Feb 2014 13:45:24 +0100
From:	Paul Bolle <pebolle@...cali.nl>
To:	Mauro Carvalho Chehab <m.chehab@...sung.com>
Cc:	Martin Walch <walch.martin@....de>, linux-kernel@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Larry Finger <Larry.Finger@...inger.net>,
	linux-media@...r.kernel.org, devel@...verdev.osuosl.org
Subject: Re: [kconfig] update: results of some syntactical checks

Mauro,

On Sat, 2013-11-02 at 17:40 -0200, Mauro Carvalho Chehab wrote:
> Em Sat, 02 Nov 2013 20:20:54 +0100
> Paul Bolle <pebolle@...cali.nl> escreveu:
> > On Sun, 2013-10-20 at 00:03 +0200, Martin Walch wrote:
> > > drivers/media/common/siano/Kconfig:21-26
> > > > config SMS_SIANO_DEBUGFS
> > > >	bool "Enable debugfs for smsdvb"
> > > >	depends on SMS_SIANO_MDTV
> > > >	depends on DEBUG_FS
> > > >	depends on SMS_USB_DRV
> > > >	depends on CONFIG_SMS_USB_DRV = CONFIG_SMS_SDIO_DRV
> > > 
> > > The last line adds the dependency CONFIG_SMS_USB_DRV = CONFIG_SMS_SDIO_DRV.
> > > This expression does not look sound as those two symbols are not declared
> > > anywhere. So, the two strings CONFIG_SMS_USB_DRV and CONFIG_SMS_SDIO_DRV
> > > are compared, yielding always 'n'. As a result, SMS_SIANO_DEBUGFS will never
> > > be enabled.
>
> [...] The Kconfig logic here is that it
> should depends on !SMS_SDIO_DRV or SMS_USB_DRV = SMS_SDIO_DRV.
> 
> I remember I made a patch like that while testing some things with this
> driver, but it seems that I forgot to push. I might have it somewhere on
> my test machine.

This line is still present in v3.14-rc2. Did you ever find that patch on
your test machine?


Paul Bolle

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