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-rw-r--r--drivers/block/Kconfig26
1 files changed, 7 insertions, 19 deletions
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index c3909743c484..61ad8d639ba3 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -434,27 +434,15 @@ config VIRTIO_BLK
434 lguest or QEMU based VMMs (like KVM or Xen). Say Y or M. 434 lguest or QEMU based VMMs (like KVM or Xen). Say Y or M.
435 435
436config BLK_DEV_HD 436config BLK_DEV_HD
437 bool "Old hard disk (MFM/RLL/IDE) driver" 437 bool "Very old hard disk (MFM/RLL/IDE) driver"
438 depends on HAVE_IDE 438 depends on HAVE_IDE
439 depends on !ARM || ARCH_RPC || ARCH_SHARK || BROKEN 439 depends on !ARM || ARCH_RPC || ARCH_SHARK || BROKEN
440 help 440 help
441 There are two drivers for MFM/RLL/IDE hard disks. Most people use 441 This is a very old hard disk driver that lacks the enhanced
442 the newer enhanced driver, but this old one is still around for two 442 functionality of the newer ones.
443 reasons. Some older systems have strange timing problems and seem to 443
444 work only with the old driver (which itself does not work with some 444 It is required for systems with ancient MFM/RLL/ESDI drives.
445 newer systems). The other reason is that the old driver is smaller, 445
446 since it lacks the enhanced functionality of the new one. This makes 446 If unsure, say N.
447 it a good choice for systems with very tight memory restrictions, or
448 for systems with only older MFM/RLL/ESDI drives. Choosing the old
449 driver can save 13 KB or so of kernel memory.
450
451 If you want to use this driver together with the new one you have
452 to use "hda=noprobe hdb=noprobe" kernel parameters to prevent the new
453 driver from probing the primary interface.
454
455 If you are unsure, then just choose the Enhanced IDE/MFM/RLL driver
456 instead of this one. For more detailed information, read the
457 Disk-HOWTO, available from
458 <http://www.tldp.org/docs.html#howto>.
459 447
460endif # BLK_DEV 448endif # BLK_DEV