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Message-Id: <1452841574-2781-5-git-send-email-xyjxie@linux.vnet.ibm.com>
Date: Fri, 15 Jan 2016 15:06:13 +0800
From: Yongji Xie <xyjxie@...ux.vnet.ibm.com>
To: kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-pci@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
linux-doc@...r.kernel.org
Cc: bhelgaas@...gle.com, corbet@....net, aik@...abs.ru,
alex.williamson@...hat.com, benh@...nel.crashing.org,
paulus@...ba.org, mpe@...erman.id.au, warrier@...ux.vnet.ibm.com,
zhong@...ux.vnet.ibm.com, nikunj@...ux.vnet.ibm.com,
Yongji Xie <xyjxie@...ux.vnet.ibm.com>
Subject: [RFC PATCH v3 4/5] powerpc/powernv/pci-ioda: Enable msi_filtered bit for any IODA host bridge
This patch enables msi_filtered bit for any IODA host bridge.
Signed-off-by: Yongji Xie <xyjxie@...ux.vnet.ibm.com>
---
arch/powerpc/platforms/powernv/pci-ioda.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index 414fd1a..689f0dc 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -2934,6 +2934,11 @@ static void pnv_pci_ioda_fixup(void)
#endif
}
+static void pnv_pci_ioda_fixup_phb(struct pci_controller *hose)
+{
+ to_pci_host_bridge(hose->bus->bridge)->msi_filtered = 1;
+}
+
/*
* Returns the alignment for I/O or memory windows for P2P
* bridges. That actually depends on how PEs are segmented.
@@ -3201,6 +3206,7 @@ static void __init pnv_pci_init_ioda_phb(struct device_node *np,
* the child P2P bridges) can form individual PE.
*/
ppc_md.pcibios_fixup = pnv_pci_ioda_fixup;
+ ppc_md.pcibios_fixup_phb = pnv_pci_ioda_fixup_phb;
hose->controller_ops = pnv_pci_ioda_controller_ops;
#ifdef CONFIG_PCI_IOV
--
1.7.9.5
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