diff mbox

2.6.31-rc1: parisc: multiple PCI BAR collisions

Message ID 20090626174418.GX19977@parisc-linux.org (mailing list archive)
State Accepted
Delegated to: kyle mcmartin
Headers show

Commit Message

Matthew Wilcox June 26, 2009, 5:44 p.m. UTC 
On Fri, Jun 26, 2009 at 11:03:04AM -0600, Grant Grundler wrote:
> On Fri, Jun 26, 2009 at 12:58:22PM +0400, Alexander Beregalov wrote:
> > Hi
> > 
> > Hardware is HP j6000.
> > It cannot initialize many PCI devices (sym53c8xx, tulip, STI,
> > usb(onci)) and cannot boot (no root device).
> > Messages like this:
> > sym53c8xx 0:0:0f.0: device not available because of BAR 1 [0xf4005000
> > - 0xf40053ff] collisions.
> 
> I'm pretty sure this is a problem of the root bus resources not getting
> setup correctly. I'm not clear on what's wrong. jejb and willy are looking
> at it now as well.

This patch fixes it for me.

----

Fix PCI resource allocation on non-PAT SBA machines

We weren't marking the resources as memory resources, so they weren't
being found by pci_claim_resource().

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Reviewed-by: Grant Grundler <grundler@parisc-linux.org>

Comments

kyle mcmartin June 26, 2009, 8:16 p.m. UTC | #1 
On Fri, Jun 26, 2009 at 11:44:18AM -0600, Matthew Wilcox wrote:
> > > Hardware is HP j6000.
> > > It cannot initialize many PCI devices (sym53c8xx, tulip, STI,
> > > usb(onci)) and cannot boot (no root device).
> > > Messages like this:
> > > sym53c8xx 0:0:0f.0: device not available because of BAR 1 [0xf4005000
> > > - 0xf40053ff] collisions.
> > 
> > I'm pretty sure this is a problem of the root bus resources not getting
> > setup correctly. I'm not clear on what's wrong. jejb and willy are looking
> > at it now as well.
> 
> This patch fixes it for me.
> 

obviously correct, applied and pushed out.

thanks, kyle
--
To unsubscribe from this list: send the line "unsubscribe linux-parisc" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
diff mbox

Patch

diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c
index d46dd57..123d8fe 100644
--- a/drivers/parisc/sba_iommu.c
+++ b/drivers/parisc/sba_iommu.c
@@ -2057,6 +2057,7 @@  void sba_directed_lmmio(struct parisc_device *pci_hba, struct resource *r)
 		r->start = (base & ~1UL) | PCI_F_EXTEND;
 		size = ~ READ_REG32(reg + LMMIO_DIRECT0_MASK);
 		r->end = r->start + size;
+		r->flags = IORESOURCE_MEM;
 	}
 }
 
@@ -2093,4 +2094,5 @@  void sba_distributed_lmmio(struct parisc_device *pci_hba, struct resource *r )
 	size = (~READ_REG32(sba->sba_hpa + LMMIO_DIST_MASK)) / ROPES_PER_IOC;
 	r->start += rope * (size + 1);	/* adjust base for this rope */
 	r->end = r->start + size;
+	r->flags = IORESOURCE_MEM;
 }