Re: ATAPI+SATA support in 2.6.13-rc3

[Bas Vermeulen <bvermeul@blackstar.nl>]

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On Fri, 2005-07-15 at 13:53 +0200, Carl-Daniel Hailfinger wrote:
> Bas Vermeulen schrieb:
> > On Fri, 2005-07-15 at 11:31 +0200, Carl-Daniel Hailfinger wrote:
> > 
> >>Hi Jeff,
> >>
> >>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 have two suspects: the changed interrupt routing and
> >>libata version differences. Especially strange is the fact
> >>that both kernels seem to disagree with lspci about the
> >>interrupts assigned to the SATA controller.
> >>
> >>Please find dmesg, /proc/interrupts and lspci -v attached
> >>for both kernels.
> >>
> >>Regards,
> >>Carl-Daniel
> > 
> > 
> > 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
> > 
> > Suse has probably done that for you, it's disabled by default.
> 
> Thanks, I'll try that.
> 
> Are there any unmerged (in 2.6.13-rc3) libata patches and
> where can I find them?

Not sure about that. I currently use the following patch to make
ata_piix work with my PATA controller (ICH3-M). I think you'll only need
the defines in libata.h, and without the PATA define.

-- 
Bas Vermeulen <bvermeul@blackstar.nl>

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--- linux-2.6.12/drivers/scsi/ata_piix.c	2005-06-17 21:48:29.000000000 +0200
+++ linux-2.6/drivers/scsi/ata_piix.c	2005-07-08 11:29:48.000000000 +0200
@@ -77,6 +77,8 @@
 static struct pci_device_id piix_pci_tbl[] = {
 #ifdef ATA_ENABLE_PATA
 	{ 0x8086, 0x7111, PCI_ANY_ID, PCI_ANY_ID, 0, 0, piix4_pata },
+	{ 0x8086, 0x244a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, piix4_pata },
+	{ 0x8086, 0x248a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, piix4_pata },
 	{ 0x8086, 0x24db, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich5_pata },
 	{ 0x8086, 0x25a2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich5_pata },
 #endif
--- linux-2.6.12/include/linux/libata.h	2005-07-11 17:21:08.000000000 +0200
+++ linux-2.6/include/linux/libata.h	2005-07-08 11:32:43.000000000 +0200
@@ -37,8 +37,8 @@
 #undef ATA_VERBOSE_DEBUG	/* yet more debugging output */
 #undef ATA_IRQ_TRAP		/* define to ack screaming irqs */
 #undef ATA_NDEBUG		/* define to disable quick runtime checks */
-#undef ATA_ENABLE_ATAPI		/* define to enable ATAPI support */
-#undef ATA_ENABLE_PATA		/* define to enable PATA support in some
+#define ATA_ENABLE_ATAPI		/* define to enable ATAPI support */
+#define ATA_ENABLE_PATA		/* define to enable PATA support in some
 				 * low-level drivers */
 #undef ATAPI_ENABLE_DMADIR	/* enables ATAPI DMADIR bridge support */