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Date: Fri, 06 Aug 2004 13:06:03 -0400
From: Jeff Garzik <jgarzik@pobox.com>
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To: Doug Maxey <dwm@austin.ibm.com>
CC: Alan Cox <alan@lxorguk.ukuu.org.uk>, Brett Russ <russb@emc.com>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       linux-ide@vger.kernel.org,
       Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>
Subject: Re: [PATCH] (IDE) restore access to low order LBA following error
References: <200408061623.i76GNfDa016095@falcon10.austin.ibm.com>
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Doug Maxey wrote:
> On Thu, 05 Aug 2004 21:45:59 EDT, Jeff Garzik wrote:
> 
>>ATAPI works too.....  assuming your CD/DVD drive never encounters a 
>>CHECK CONDITION requiring REQUEST SENSE to be issued...  ;-)
> 
> 
>   Heh.  Where should one start looking to get this enabled?  I have to
>   admit that I have given the code only a few minutes viewing.

top of include/linux/libata.h:

/*
  * compile-time options
  */
#undef ATA_FORCE_PIO            /* do not configure or use DMA */
#undef ATA_DEBUG                /* debugging output */
#undef ATA_VERBOSE_DEBUG        /* yet more debugging output */
#undef ATA_IRQ_TRAP             /* define to ack screaming irqs */
#undef ATA_NDEBUG               /* define to disable quick runtime checks */
#undef ATA_ENABLE_ATAPI         /* define to enable ATAPI support */
#undef ATA_ENABLE_PATA          /* define to enable PATA support in some
                                  * low-level drivers */
#undef ATAPI_ENABLE_DMADIR      /* enables ATAPI DMADIR bridge support */