linux-kernel - [PATCH 27/39] PCI, sparc: Register busn

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Message-Id: <1330556858-11768-28-git-send-email-yinghai@kernel.org>
Date:	Wed, 29 Feb 2012 15:07:26 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Tony Luck <tony.luck@...el.com>,
	David Miller <davem@...emloft.net>, x86 <x86@...nel.org>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>,
	Dominik Brodowski <linux@...inikbrodowski.net>,
	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arch@...r.kernel.org, Yinghai Lu <yinghai@...nel.org>,
	sparclinux@...r.kernel.org
Subject: [PATCH 27/39] PCI, sparc: Register busn_res for root buses

Signed-off-by: Yinghai Lu <yinghai@...nel.org>
Cc: "David S. Miller" <davem@...emloft.net>
Cc: sparclinux@...r.kernel.org
---
 arch/sparc/kernel/pci.c      |    4 ++++
 arch/sparc/kernel/pci_impl.h |    1 +
 2 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index 253e8ac..1687fed 100644
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -695,6 +695,10 @@ struct pci_bus * __devinit pci_scan_one_pbm(struct pci_pbm_info *pbm,
 				pbm->io_space.start);
 	pci_add_resource_offset(&resources, &pbm->mem_space,
 				pbm->mem_space.start);
+	pbm->busn.start = pbm->pci_first_busno;
+	pbm->busn.end	= pbm->pci_last_busn;
+	pbm->busn.flags	= IORESOURCE_BUS;
+	pci_add_resource(&resources, &pbm->busn);
 	bus = pci_create_root_bus(parent, pbm->pci_first_busno, pbm->pci_ops,
 				  pbm, &resources);
 	if (!bus) {
diff --git a/arch/sparc/kernel/pci_impl.h b/arch/sparc/kernel/pci_impl.h
index 6beb60d..918a203 100644
--- a/arch/sparc/kernel/pci_impl.h
+++ b/arch/sparc/kernel/pci_impl.h
@@ -97,6 +97,7 @@ struct pci_pbm_info {
 	/* PBM I/O and Memory space resources. */
 	struct resource			io_space;
 	struct resource			mem_space;
+	struct resource			busn;
 
 	/* Base of PCI Config space, can be per-PBM or shared. */
 	unsigned long			config_space;
-- 
1.7.7

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