linux-kernel - Re: [2.6 patch] fix BLK_DEV_HD

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Message-ID: <20080622101752.GG27069@cs181133002.pp.htv.fi>
Date:	Sun, 22 Jun 2008 13:17:52 +0300
From:	Adrian Bunk <bunk@...nel.org>
To:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
Cc:	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org,
	rmk@....linux.org.uk, Alan Cox <alan@...rguk.ukuu.org.uk>
Subject: Re: [2.6 patch] fix BLK_DEV_HD_ONLY on ARM dependencies

On Tue, Jun 10, 2008 at 07:56:15PM +0200, Bartlomiej Zolnierkiewicz wrote:
> On Tuesday 10 June 2008, Adrian Bunk wrote:
> > This patch limits BLK_DEV_HD_ONLY to the ARM platforms offering 
> > IRQ_HARDDISK, fixing the following compile error on others:
> > 
> > <--  snip  -->
> > 
> > ...
> >   CC      drivers/ide/legacy/hd.o
> > ...
> > /home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/ide/legacy/hd.c: In function 'hd_times_out':
> > /home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/ide/legacy/hd.c:542: error: 'IRQ_HARDDISK' undeclared (first use in this function)
> > /home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/ide/legacy/hd.c:542: error: (Each undeclared identifier is reported only once
> > /home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/ide/legacy/hd.c:542: error: for each function it appears in.)
> > /home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/ide/legacy/hd.c: In function 'do_hd_request':
> > /home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/ide/legacy/hd.c:661: error: 'IRQ_HARDDISK' undeclared (first use in this function)
> > /home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/ide/legacy/hd.c: In function 'hd_init':
> > /home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/ide/legacy/hd.c:765: error: 'IRQ_HARDDISK' undeclared (first use in this function)
> > make[3]: *** [drivers/ide/legacy/hd.o] Error 1
> > 
> > <--  snip  -->
> > 
> > Reported-by: Adrian Bunk <bunk@...nel.org>
> > Signed-off-by: Adrian Bunk <bunk@...nel.org>
> 
> applied, thanks
> 
> BTW Could you look into converting your "remove BLK_DEV_HD_ONLY" patch
> into "move old hd driver to drivers/block/" one because the old hd driver
> still has some uses (as noticed by Alan)?

drivers/ide/Makefile says:
  # old hd driver must be last

Is this still true?

If yes then moving the driver to drivers/block/ requires switching to 
late_initcall() since drivers/block/ is linked before drivers/ide/ .

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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