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yaml
---
r: 102136
b: refs/heads/master
c: f327c1c
h: refs/heads/master
v: v3
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Adrian Bunk authored and Bartlomiej Zolnierkiewicz committed Jul 16, 2008
1 parent 96d2a49 commit e50bef8
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2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: 453ea3ed0b3e8ad67d4ee9d2fccf3d95a3e1f709
refs/heads/master: f327c1c33f4882c70f29ff3a9ff7c55c1951d1f6
26 changes: 7 additions & 19 deletions trunk/drivers/block/Kconfig
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Expand Up @@ -434,27 +434,15 @@ config VIRTIO_BLK
lguest or QEMU based VMMs (like KVM or Xen). Say Y or M.

config BLK_DEV_HD
bool "Old hard disk (MFM/RLL/IDE) driver"
bool "Very old hard disk (MFM/RLL/IDE) driver"
depends on HAVE_IDE
depends on !ARM || ARCH_RPC || ARCH_SHARK || BROKEN
help
There are two drivers for MFM/RLL/IDE hard disks. Most people use
the newer enhanced driver, but this old one is still around for two
reasons. Some older systems have strange timing problems and seem to
work only with the old driver (which itself does not work with some
newer systems). The other reason is that the old driver is smaller,
since it lacks the enhanced functionality of the new one. This makes
it a good choice for systems with very tight memory restrictions, or
for systems with only older MFM/RLL/ESDI drives. Choosing the old
driver can save 13 KB or so of kernel memory.

If you want to use this driver together with the new one you have
to use "hda=noprobe hdb=noprobe" kernel parameters to prevent the new
driver from probing the primary interface.

If you are unsure, then just choose the Enhanced IDE/MFM/RLL driver
instead of this one. For more detailed information, read the
Disk-HOWTO, available from
<http://www.tldp.org/docs.html#howto>.
This is a very old hard disk driver that lacks the enhanced
functionality of the newer ones.

It is required for systems with ancient MFM/RLL/ESDI drives.

If unsure, say N.

endif # BLK_DEV

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