From: FD Cami Date: Sun, 6 Jan 2008 18:08:56 +0000 (+0100) Subject: Update kernel parameter document for libata DMA mode setting knobs. X-Git-Tag: v2.6.24-rc8~50^2~2 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=fcb71f6f034c6c4f6a3ab4a55404c95db6e32653;p=linux-2.6-omap-h63xx.git Update kernel parameter document for libata DMA mode setting knobs. Signed-off-by: Jeff Garzik --- diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index e5b447a0acd..c4178778e7f 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: