linux-kernel - Re: [PATCH char-misc-next v4 03/13] misc: mic: SCIF Hardware Bus

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Date:	Tue, 31 Mar 2015 10:36:31 +0200
From:	Paul Bolle <pebolle@...cali.nl>
To:	Sudeep Dutt <sudeep.dutt@...el.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Arnd Bergmann <arnd@...db.de>,
	Jonathan Corbet <corbet@....net>, linux-kernel@...r.kernel.org,
	linux-doc@...r.kernel.org, Dave Jiang <dave.jiang@...el.com>,
	Nikhil Rao <nikhil.rao@...el.com>,
	Ashutosh Dixit <ashutosh.dixit@...el.com>
Subject: Re: [PATCH char-misc-next v4 03/13] misc: mic: SCIF Hardware Bus

On Mon, 2015-03-30 at 18:36 -0700, Sudeep Dutt wrote:
> --- a/drivers/misc/mic/Kconfig
> +++ b/drivers/misc/mic/Kconfig

> +config SCIF_BUS
> +	tristate "SCIF Bus Driver"
> +	depends on 64BIT && PCI && X86 && X86_DEV_DMA_OPS

Can't this be simplified to just
	depends on X86_64 && PCI

or is this bus expected to be used outside of 64 bit X86?

> +	help
> +	  This option is selected by any driver which registers a
> +	  device or driver on the SCIF Bus, such as CONFIG_INTEL_MIC_HOST
> +	  and CONFIG_INTEL_MIC_CARD.
> +
> +	  If you are building a host/card kernel with an Intel MIC device
> +	  then say M (recommended) or Y, else say N. If unsure say N.
> +
> +	  More information about the Intel MIC family as well as the Linux
> +	  OS and tools for MIC to use with this driver are available from
> +	  <http://software.intel.com/en-us/mic-developer>.


Paul Bolle

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