linux-kernel - Re: [PATCH 0/3] Add hardware dependency to TS-4800 board drivers

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Message-ID: <20160209150810.GA7014@localhost>
Date:	Tue, 9 Feb 2016 10:08:10 -0500
From:	Damien Riegel <damien.riegel@...oirfairelinux.com>
To:	Jean Delvare <jdelvare@...e.de>
Cc:	linux-kernel@...r.kernel.org,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Jason Cooper <jason@...edaemon.net>,
	Marc Zyngier <marc.zyngier@....com>,
	Wim Van Sebroeck <wim@...ana.be>,
	Guenter Roeck <linux@...ck-us.net>
Subject: Re: [PATCH 0/3] Add hardware dependency to TS-4800 board drivers

Hi Jean,

On Tue, Feb 09, 2016 at 11:15:49AM +0100, Jean Delvare wrote:
> Hi all,
> 
> This adds hardware dependency to 3 drivers for the Technologic Systems
> TS-4800 board. Thanks to these dependencies, users of other systems
> will not accidentally enable these drivers.

These drivers are for IPs implemented in an FPGA. For now it is true
that they are used only on one board with an iMX.51 but this is not a
strong dependency and it might change in the future if Technologic
Systems decide to reuse these IPs on boards based on different SoCs.

As the FPGA and the SoC are two separate chips, I don't know how such
dependency should be expressed in kconfig.

Thanks,
Damien