[PATCH] ppc64 kernel 2.6 ide-related patches (revised)

Benjamin Herrenschmidt benh at kernel.crashing.org
Sun Sep 14 04:18:53 EST 2003

On Fri, 2003-09-12 at 19:00, linas at austin.ibm.com wrote:

> -- the current code does *not* auto-negotiate itself up into the
>    highest possible performance mode.  (i.e. 32 bit transfers, dma on,
>    etc.)  This appears to be due to the fact that this task is normally
>    done by i386 BIOS, and the ppc open firmware doesn't do anything
>    analogous, and there's nothing in the kernel (that I know of) to
>    make up for this.

This is done in the kernel by the host chipset driver normally. It works
fine on pmac with ppc32 at least ;)

** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/

More information about the Linuxppc-dev mailing list