On Sun, 6 Jan 2008 13:36:09 +0000 Alan Cox <[EMAIL PROTECTED]> wrote:
> On Sun, 6 Jan 2008 08:03:31 +0300 > > > For now you can boot with libata.dma=1 to select DMA on disks but > > > not CD > > > > Great, but why isn't this in the documentation? > > Send patches patch attached. Description : Add libata.dma= to Documentation/kernel-parameters.txt Found documentation in : http://www.mail-archive.com/linux-ide%40vger.kernel.org/msg09849.html http://www.redhat.com/archives/fedora-extras-commits/2007-October/msg04568.html Signed-off-by: François Cami <[EMAIL PROTECTED]>
diff -rU2 linux-2.6.24-rc6/Documentation/kernel-parameters.txt linux-2.6.24-rc6-mine/Documentation/kernel-parameters.txt --- linux-2.6.24-rc6/Documentation/kernel-parameters.txt 2008-01-06 15:58:54.000000000 +0100 +++ linux-2.6.24-rc6-mine/Documentation/kernel-parameters.txt 2008-01-06 16:11:20.000000000 +0100 @@ -883,4 +883,11 @@ C2 power state. + libata.dma= [LIBATA] DMA control + libata.dma=0 Disable all PATA DMA like old IDE + libata.dma=1 Disk DMA only + libata.dma=2 ATAPI DMA only + libata.dma=3 CF DMA only + libata.dma=0,1,3 Combinations also work. + libata.noacpi [LIBATA] Disables use of ACPI in libata suspend/resume when set.