linux-kernel - Re: [PATCH] SCSI: update Kconfig help text to indicate SCSI core's widespread usage

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Message-ID: <20070914185434.GD5386@csclub.uwaterloo.ca>
Date:	Fri, 14 Sep 2007 14:54:34 -0400
From:	lsorense@...lub.uwaterloo.ca (Lennart Sorensen)
To:	Stefan Richter <stefanr@...6.in-berlin.de>
Cc:	James Bottomley <james.bottomley@...eleye.com>,
	linux-scsi@...r.kernel.org, Jeff Garzik <jeff@...zik.org>,
	Andi Kleen <andi@...stfloor.org>,
	Folkert van Heusden <folkert@...heusden.com>,
	Adrian Bunk <bunk@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] SCSI: update Kconfig help text to indicate SCSI core's widespread usage

On Fri, Sep 14, 2007 at 06:01:53PM +0200, Stefan Richter wrote:
> Signed-off-by: Stefan Richter <stefanr@...6.in-berlin.de>
> ---
> 
> Applicable to 2.6.23-rc6 and to scsi-misc.
> 
>  drivers/scsi/Kconfig |   32 ++++++++++++++++++++------------
>  1 file changed, 20 insertions(+), 12 deletions(-)
> 
> Index: linux-2.6.23-rc6/drivers/scsi/Kconfig
> ===================================================================
> --- linux-2.6.23-rc6.orig/drivers/scsi/Kconfig
> +++ linux-2.6.23-rc6/drivers/scsi/Kconfig
> @@ -12,23 +12,31 @@ config SCSI
>  	depends on BLOCK
>  	select SCSI_DMA if HAS_DMA
>  	---help---
> -	  If you want to use a SCSI hard disk, SCSI tape drive, SCSI CD-ROM or
> -	  any other SCSI device under Linux, say Y and make sure that you know
> -	  the name of your SCSI host adapter (the card inside your computer
> -	  that "speaks" the SCSI protocol, also called SCSI controller),
> -	  because you will be asked for it.
> -
> -	  You also need to say Y here if you have a device which speaks
> -	  the SCSI protocol.  Examples of this include the parallel port
> -	  version of the IOMEGA ZIP drive, USB storage devices, Fibre
> -	  Channel, FireWire storage and the IDE-SCSI emulation driver.
> +	  This option enables core support for SCSI protocols.
> +	  You need it
> +	  - for classic parallel SCSI hardware,
> +	  - for newer SCSI transports such as Fibre Channel, FireWire storage,
> +	    or iSCSI,
> +	  - for non-SCSI hardware which speaks SCSI protocols, such as USB
> +	    storage devices or the parallel port version of Iomega Zip drive,
> +	  - for non-SCSI hardware whose drivers translate from and to SCSI
> +	    protocols, like the IDE-SCSI emulation driver and most notably
> +	    for all SATA drivers.
>  
>  	  To compile this driver as a module, choose M here and read
>  	  <file:Documentation/scsi/scsi.txt>.
>  	  The module will be called scsi_mod.
>  
>  	  However, do not compile this as a module if your root file system
> -	  (the one containing the directory /) is located on a SCSI device.
> +	  (the one containing the directory /) is located on a SCSI device
> +	  or on a device whose driver represents it as SCSI device, as
> +	  indicated above.  Choose Y in this case, or set up an initrd.
> +
> +	  Subsequent options in this menu enable specific SCSI command set
> +	  support for harddisks, CD/DVD-ROM/R/W, tapes etc..  This menu also
> +	  presents options for specific SCSI controllers, while options for
> +	  some other SCSI transports and all non-SCSI controllers are located
> +	  in other menus (SATA, USB, FireWire etc.).
>  
>  config SCSI_DMA
>  	bool
> @@ -120,7 +128,7 @@ config BLK_DEV_SR
>  	tristate "SCSI CDROM support"
>  	depends on SCSI
>  	---help---
> -	  If you want to use a SCSI or FireWire CD-ROM under Linux,
> +	  If you want to use a SCSI, SATA, USB or FireWire CD-ROM or DVD-ROM,
>  	  say Y and read the SCSI-HOWTO and the CDROM-HOWTO at
>  	  <http://www.tldp.org/docs.html#howto>. Also make sure to say
>  	  Y or M to "ISO 9660 CD-ROM file system support" later.

You left out PATA running libata drivers.  Not just SATA is affected
there.  Looks pretty decent otherwise.

--
Len Sorensen
-
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