On Wed, 2007-12-12 at 03:38 -0800, Andrew Morton wrote:
> On Wed, 12 Dec 2007 11:58:41 +0100 Anders Henke <[email protected]> wrote:
>
> > Hi,
> >
> > I'd like to let you now that my boxes are running a 32-bit kernel, so
> > the 64-bit-uncleanliness shouldn't apply to my boxes; however,
> >
> > http://www.miquels.cistron.nl/linux/dpt_i2o-64bit-2.6.23.patch
> >
> > fixed the issue on my testbox.
> >
> > I took a clean 2.6.23, applied patch, recompiled the kernel, reboot: works.
>
> What a huge patch :(
>
> We already reverted the offening patch so I assume that 2.6.24-rc5 is
> working for you?
>
> I guess we need to look at restoring "dpt_i2o: convert to SCSI hotplug
> model" and then absorbing what Miquel has done there.
This was just a patch I had lying around, if it worked it would confirm
my suspicion, which it has.
The minimal patch which is suitable for 2.6.23-stable and 2.6.24 would
be the attached one-liner. The "dpt_i2o: convert to SCSI hotplug model"
patch could be restored then.
(if the list eats the attachment, it's also available here:
http://www.miquels.cistron.nl/linux/linux-2.6.23+24-dpt_i2o-dma64.patch
)
Anders, does this one-liner patch work for you ?
Mike.
diff -ruN linux-2.6.23.9.orig/drivers/scsi/dpt_i2o.c linux-2.6.23.9/drivers/scsi/dpt_i2o.c
--- linux-2.6.23.9.orig/drivers/scsi/dpt_i2o.c 2007-11-26 18:51:43.000000000 +0100
+++ linux-2.6.23.9/drivers/scsi/dpt_i2o.c 2007-12-12 13:21:05.000000000 +0100
@@ -905,8 +905,7 @@
}
pci_set_master(pDev);
- if (pci_set_dma_mask(pDev, DMA_64BIT_MASK) &&
- pci_set_dma_mask(pDev, DMA_32BIT_MASK))
+ if (pci_set_dma_mask(pDev, DMA_32BIT_MASK))
return -EINVAL;
base_addr0_phys = pci_resource_start(pDev,0);
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