linux-kernel - [PATCH 3.19 009/101] Revert "sparc/PCI: Clip bridge windows to fit in upstream windows"

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Message-Id: <20150417132514.772834886@linuxfoundation.org>
Date:	Fri, 17 Apr 2015 15:27:57 +0200
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Bjorn Helgaas <bhelgaas@...gle.com>
Subject: [PATCH 3.19 009/101] Revert "sparc/PCI: Clip bridge windows to fit in upstream windows"

3.19-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Bjorn Helgaas <bhelgaas@...gle.com>

commit d10b730f97a7f1fa58c9ec300828f87157cd6b95 upstream.

This reverts commit d63e2e1f3df904bf6bd150bdafb42ddbb3257ea8.

David Ahern reported that d63e2e1f3df9 breaks booting on an 8-socket T5
sparc system.  He also verified that the system boots with d63e2e1f3df9
reverted.  Yinghai has some fixes, but they need a little more polishing
than we can do before v4.0.

Link: http://lkml.kernel.org/r/5514391F.2030300@oracle.com	# report
Link: http://lkml.kernel.org/r/1427857069-6789-1-git-send-email-yinghai@kernel.org # patches
Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/sparc/kernel/pci.c |    5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -639,10 +639,7 @@ static void pci_claim_bus_resources(stru
 				       (unsigned long long)r->end,
 				       (unsigned int)r->flags);
 
-			if (pci_claim_resource(dev, i) == 0)
-				continue;
-
-			pci_claim_bridge_resource(dev, i);
+			pci_claim_resource(dev, i);
 		}
 	}
 


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