Re: ATAPI+SATA support in 2.6.13-rc3

[Domenico Andreoli <cavok@libero.it>]

On Fri, Jul 15, 2005 at 11:59:17AM +0200, Bas Vermeulen wrote:
> On Fri, 2005-07-15 at 11:31 +0200, Carl-Daniel Hailfinger wrote:
> > Hi Jeff,

hi all,

> > I have a Intel ICH6M chipset and am using ata_piix as my
> > default disk driver. With the SUSE patched 2.6.11.4 kernel
> > (it has some libata patches) my DVD-RAM drive works, with
> > 2.6.13-rc3 it doesn't work. My .config is nearly identical
> > for both kernels (except options introduced after 2.6.11).

i also have a ICH6M. the SATA HD is correctly seen and used but the
cdrom unit isn't. i'm using a vanilla 2.6.12.2.

> You'll need to enable ATAPI support for ata_piix in
> include/linux/libata.h
> 
> Change:
> #undef ATA_ENABLE_ATAPI
> 
> into
> #define ATA_ENABLE_ATAPI

it works! i'm now able to read and write cdroms :)

> Suse has probably done that for you, it's disabled by default.

why it is disabled by default? what do these macros mean? what is
really happening? thank you.

cheers
domenico

-----[ Domenico Andreoli, aka cavok
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