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| author |   FD Cami <francois.cami@free.fr> | 2008-01-06 19:08:56 +0100 |
|---|---|---|
| committer |   Jeff Garzik <jeff@garzik.org> | 2008-01-10 16:53:55 -0500 |
| commit | fcb71f6f034c6c4f6a3ab4a55404c95db6e32653 (patch) | |
| tree | ea35c74746db99c2d412cf9adf931133a2f2aee1 | |
| parent | libata: don't normalize UNKNOWN to NONE after reset (diff) | |
| download | linux-dev-fcb71f6f034c6c4f6a3ab4a55404c95db6e32653.tar.xz linux-dev-fcb71f6f034c6c4f6a3ab4a55404c95db6e32653.zip | |
Update kernel parameter document for libata DMA mode setting knobs.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
| -rw-r--r-- | Documentation/kernel-parameters.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index e5b447a0acda..c4178778e7fd 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -883,6 +883,14 @@ and is between 256 and 4096 characters. It is defined in the file lapic_timer_c2_ok [X86-32,x86-64,APIC] trust the local apic timer in C2 power state. + libata.dma= [LIBATA] DMA control + libata.dma=0 Disable all PATA and SATA DMA + libata.dma=1 PATA and SATA Disk DMA only + libata.dma=2 ATAPI (CDROM) DMA only + libata.dma=4 Compact Flash DMA only + Combinations also work, so libata.dma=3 enables DMA + for disks and CDROMs, but not CFs. + libata.noacpi [LIBATA] Disables use of ACPI in libata suspend/resume when set. Format: <int> |