2005-04-16 22:20:36 +00:00
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#
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# CDROM driver configuration
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#
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menu "Old CD-ROM drivers (not SCSI, not IDE)"
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[PATCH] BLOCK: Make it possible to disable the block layer [try #6]
Make it possible to disable the block layer. Not all embedded devices require
it, some can make do with just JFFS2, NFS, ramfs, etc - none of which require
the block layer to be present.
This patch does the following:
(*) Introduces CONFIG_BLOCK to disable the block layer, buffering and blockdev
support.
(*) Adds dependencies on CONFIG_BLOCK to any configuration item that controls
an item that uses the block layer. This includes:
(*) Block I/O tracing.
(*) Disk partition code.
(*) All filesystems that are block based, eg: Ext3, ReiserFS, ISOFS.
(*) The SCSI layer. As far as I can tell, even SCSI chardevs use the
block layer to do scheduling. Some drivers that use SCSI facilities -
such as USB storage - end up disabled indirectly from this.
(*) Various block-based device drivers, such as IDE and the old CDROM
drivers.
(*) MTD blockdev handling and FTL.
(*) JFFS - which uses set_bdev_super(), something it could avoid doing by
taking a leaf out of JFFS2's book.
(*) Makes most of the contents of linux/blkdev.h, linux/buffer_head.h and
linux/elevator.h contingent on CONFIG_BLOCK being set. sector_div() is,
however, still used in places, and so is still available.
(*) Also made contingent are the contents of linux/mpage.h, linux/genhd.h and
parts of linux/fs.h.
(*) Makes a number of files in fs/ contingent on CONFIG_BLOCK.
(*) Makes mm/bounce.c (bounce buffering) contingent on CONFIG_BLOCK.
(*) set_page_dirty() doesn't call __set_page_dirty_buffers() if CONFIG_BLOCK
is not enabled.
(*) fs/no-block.c is created to hold out-of-line stubs and things that are
required when CONFIG_BLOCK is not set:
(*) Default blockdev file operations (to give error ENODEV on opening).
(*) Makes some /proc changes:
(*) /proc/devices does not list any blockdevs.
(*) /proc/diskstats and /proc/partitions are contingent on CONFIG_BLOCK.
(*) Makes some compat ioctl handling contingent on CONFIG_BLOCK.
(*) If CONFIG_BLOCK is not defined, makes sys_quotactl() return -ENODEV if
given command other than Q_SYNC or if a special device is specified.
(*) In init/do_mounts.c, no reference is made to the blockdev routines if
CONFIG_BLOCK is not defined. This does not prohibit NFS roots or JFFS2.
(*) The bdflush, ioprio_set and ioprio_get syscalls can now be absent (return
error ENOSYS by way of cond_syscall if so).
(*) The seclvl_bd_claim() and seclvl_bd_release() security calls do nothing if
CONFIG_BLOCK is not set, since they can't then happen.
Signed-Off-By: David Howells <dhowells@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2006-09-30 18:45:40 +00:00
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depends on ISA && BLOCK
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2005-04-16 22:20:36 +00:00
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config CD_NO_IDESCSI
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bool "Support non-SCSI/IDE/ATAPI CDROM drives"
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---help---
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If you have a CD-ROM drive that is neither SCSI nor IDE/ATAPI, say Y
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here, otherwise N. Read the CD-ROM-HOWTO, available from
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<http://www.tldp.org/docs.html#howto>.
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Note that the answer to this question doesn't directly affect the
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kernel: saying N will just cause the configurator to skip all
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the questions about these CD-ROM drives. If you are unsure what you
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have, say Y and find out whether you have one of the following
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drives.
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For each of these drivers, a <file:Documentation/cdrom/{driver_name}>
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exists. Especially in cases where you do not know exactly which kind
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of drive you have you should read there. Most of these drivers use a
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file drivers/cdrom/{driver_name}.h where you can define your
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interface parameters and switch some internal goodies.
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To compile these CD-ROM drivers as a module, choose M instead of Y.
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If you want to use any of these CD-ROM drivers, you also have to
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answer Y or M to "ISO 9660 CD-ROM file system support" below (this
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answer will get "defaulted" for you if you enable any of the Linux
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CD-ROM drivers).
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config AZTCD
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tristate "Aztech/Orchid/Okano/Wearnes/TXC/CyDROM CDROM support"
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depends on CD_NO_IDESCSI
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---help---
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This is your driver if you have an Aztech CDA268-01A, Orchid
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CD-3110, Okano or Wearnes CDD110, Conrad TXC, or CyCD-ROM CR520 or
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CR540 CD-ROM drive. This driver -- just like all these CD-ROM
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drivers -- is NOT for CD-ROM drives with IDE/ATAPI interfaces, such
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as Aztech CDA269-031SE. Please read the file
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<file:Documentation/cdrom/aztcd>.
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If you say Y here, you should also say Y or M to "ISO 9660 CD-ROM
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file system support" below, because that's the file system used on
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CD-ROMs.
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To compile this driver as a module, choose M here: the
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module will be called aztcd.
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config GSCD
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tristate "Goldstar R420 CDROM support"
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depends on CD_NO_IDESCSI
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---help---
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If this is your CD-ROM drive, say Y here. As described in the file
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<file:Documentation/cdrom/gscd>, you might have to change a setting
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in the file <file:drivers/cdrom/gscd.h> before compiling the
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kernel. Please read the file <file:Documentation/cdrom/gscd>.
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If you say Y here, you should also say Y or M to "ISO 9660 CD-ROM
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file system support" below, because that's the file system used on
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CD-ROMs.
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To compile this driver as a module, choose M here: the
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module will be called gscd.
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config SBPCD
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tristate "Matsushita/Panasonic/Creative, Longshine, TEAC CDROM support"
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depends on CD_NO_IDESCSI && BROKEN_ON_SMP
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---help---
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This driver supports most of the drives which use the Panasonic or
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Sound Blaster interface. Please read the file
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<file:Documentation/cdrom/sbpcd>.
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The Matsushita CR-521, CR-522, CR-523, CR-562, CR-563 drives
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(sometimes labeled "Creative"), the Creative Labs CD200, the
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Longshine LCS-7260, the "IBM External ISA CD-ROM" (in fact a CR-56x
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model), the TEAC CD-55A fall under this category. Some other
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"electrically compatible" drives (Vertos, Genoa, some Funai models)
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are currently not supported; for the Sanyo H94A drive currently a
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separate driver (asked later) is responsible. Most drives have a
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uniquely shaped faceplate, with a caddyless motorized drawer, but
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without external brand markings. The older CR-52x drives have a
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caddy and manual loading/eject, but still no external markings. The
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driver is able to do an extended auto-probing for interface
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addresses and drive types; this can help to find facts in cases you
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are not sure, but can consume some time during the boot process if
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none of the supported drives gets found. Once your drive got found,
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you should enter the reported parameters into
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<file:drivers/cdrom/sbpcd.h> and set "DISTRIBUTION 0" there.
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This driver can support up to four CD-ROM controller cards, and each
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card can support up to four CD-ROM drives; if you say Y here, you
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will be asked how many controller cards you have. If compiled as a
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module, only one controller card (but with up to four drives) is
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usable.
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If you say Y here, you should also say Y or M to "ISO 9660 CD-ROM
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file system support" below, because that's the file system used on
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CD-ROMs.
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To compile this driver as a module, choose M here: the
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module will be called sbpcd.
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config MCDX
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tristate "Mitsumi CDROM support"
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depends on CD_NO_IDESCSI
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---help---
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Use this driver if you want to be able to use your Mitsumi LU-005,
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FX-001 or FX-001D CD-ROM drive.
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Please read the file <file:Documentation/cdrom/mcdx>.
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If you say Y here, you should also say Y or M to "ISO 9660 CD-ROM
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file system support" below, because that's the file system used on
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CD-ROMs.
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To compile this driver as a module, choose M here: the
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module will be called mcdx.
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config OPTCD
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tristate "Optics Storage DOLPHIN 8000AT CDROM support"
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depends on CD_NO_IDESCSI
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---help---
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This is the driver for the 'DOLPHIN' drive with a 34-pin Sony
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compatible interface. It also works with the Lasermate CR328A. If
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you have one of those, say Y. This driver does not work for the
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Optics Storage 8001 drive; use the IDE-ATAPI CD-ROM driver for that
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one. Please read the file <file:Documentation/cdrom/optcd>.
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If you say Y here, you should also say Y or M to "ISO 9660 CD-ROM
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file system support" below, because that's the file system used on
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CD-ROMs.
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To compile this driver as a module, choose M here: the
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module will be called optcd.
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config CM206
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tristate "Philips/LMS CM206 CDROM support"
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depends on CD_NO_IDESCSI && BROKEN_ON_SMP
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---help---
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If you have a Philips/LMS CD-ROM drive cm206 in combination with a
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cm260 host adapter card, say Y here. Please also read the file
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<file:Documentation/cdrom/cm206>.
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If you say Y here, you should also say Y or M to "ISO 9660 CD-ROM
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file system support" below, because that's the file system used on
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CD-ROMs.
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To compile this driver as a module, choose M here: the
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module will be called cm206.
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config SJCD
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tristate "Sanyo CDR-H94A CDROM support"
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depends on CD_NO_IDESCSI
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help
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If this is your CD-ROM drive, say Y here and read the file
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<file:Documentation/cdrom/sjcd>. You should then also say Y or M to
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"ISO 9660 CD-ROM file system support" below, because that's the
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file system used on CD-ROMs.
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To compile this driver as a module, choose M here: the
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module will be called sjcd.
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config ISP16_CDI
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tristate "ISP16/MAD16/Mozart soft configurable cdrom interface support"
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depends on CD_NO_IDESCSI
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---help---
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These are sound cards with built-in cdrom interfaces using the OPTi
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82C928 or 82C929 chips. Say Y here to have them detected and
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possibly configured at boot time. In addition, You'll have to say Y
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to a driver for the particular cdrom drive you have attached to the
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card. Read <file:Documentation/cdrom/isp16> for details.
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To compile this driver as a module, choose M here: the
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module will be called isp16.
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config CDU31A
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tristate "Sony CDU31A/CDU33A CDROM support"
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depends on CD_NO_IDESCSI && BROKEN_ON_SMP
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---help---
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These CD-ROM drives have a spring-pop-out caddyless drawer, and a
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rectangular green LED centered beneath it. NOTE: these CD-ROM
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drives will not be auto detected by the kernel at boot time; you
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have to provide the interface address as an option to the kernel at
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boot time as described in <file:Documentation/cdrom/cdu31a> or fill
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in your parameters into <file:drivers/cdrom/cdu31a.c>. Try "man
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bootparam" or see the documentation of your boot loader (lilo or
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loadlin) about how to pass options to the kernel.
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If you say Y here, you should also say Y or M to "ISO 9660 CD-ROM
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file system support" below, because that's the file system used on
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CD-ROMs.
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To compile this driver as a module, choose M here: the
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module will be called cdu31a.
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config CDU535
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tristate "Sony CDU535 CDROM support"
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depends on CD_NO_IDESCSI
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---help---
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This is the driver for the older Sony CDU-535 and CDU-531 CD-ROM
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drives. Please read the file <file:Documentation/cdrom/sonycd535>.
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If you say Y here, you should also say Y or M to "ISO 9660 CD-ROM
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file system support" below, because that's the file system used on
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CD-ROMs.
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To compile this driver as a module, choose M here: the
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module will be called sonycd535.
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endmenu
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