linux-kernel - Re: [PATCH] USB Kconfig: Reorganize USB Kconfig Menu

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Date:	Sat, 29 Dec 2007 01:34:50 +0200
From:	Adrian Bunk <bunk@...nel.org>
To:	David Brownell <david-b@...bell.net>
Cc:	Al Boldi <a1426z@...ab.com>, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org, Greg KH <greg@...ah.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] USB Kconfig: Reorganize USB Kconfig Menu

On Thu, Dec 27, 2007 at 02:18:58PM -0800, David Brownell wrote:
> On Sunday 23 December 2007, Al Boldi wrote:
> > 
> > Reogranize USB Kconfig Menu, and move USB_GADGET out into the Device Driver
> > Menu.  This helps the USB Kconfig Menu to be more logical/usable.
> > 
> > Cc: David Brownell <david-b@...bell.net>
> > Cc: Greg KH <greg@...ah.com>
> > Cc: Andrew Morton <akpm@...ux-foundation.org>
> > Signed-off-by: Al Boldi <a1426z@...ab.com>
> 
> Along those lines, sure ... but this particular patch can't quite
> be the answer.  For one thing, it rather critially needs the appended,
> else it won't work on ARM.  (And quite a lot of the ARM platforms
> need the gadget stack!!)
> 
> There are ISTR a few other platforms which, for reasons unknown to
> me, don't source drivers/Kconfig but recreate portions of it on
> their own ... that's not something that this patch should change.

$ find . -name Kconfig\* | xargs grep drivers/usb/Kconfig
./arch/arm/Kconfig:source "drivers/usb/Kconfig"
./arch/cris/Kconfig:source "drivers/usb/Kconfig"
./arch/h8300/Kconfig:source "drivers/usb/Kconfig"
./arch/v850/Kconfig:source "drivers/usb/Kconfig"
./drivers/Kconfig:source "drivers/usb/Kconfig"
$ 

> Also, looking at this in xconfig shows some oddness.  That "core"
> submenu holds stuff that would logically be part of the toplevel
> menu for host side USB.  While that toplevel menu has the USS720
> driver, which seems more like a "miscellany" thing...
> 
> The comment about SCSI shouldn't show when SCSI is defined; and
> the comment aboue "SCSI disk support" belongs with the mass storage
> menu, not at the top level.  The way that the mass storage menu
> is presented also hides the fact that you can get fully functional
> mass storage support without checking *any* of the drivers there,
> since the core already handles standard devices.
>...

The SCSI dependency should be handled through select - there's no 
reason for bothering the kconfig user wih such implementation details.

> - Dave
>...


cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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