lkml.org 
[lkml]   [2016]   [May]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v2 5/6] pci-ioda: Set PCI_BUS_FLAGS_MSI_REMAP for IODA host bridge
Date
Any IODA host bridge have the capability of IRQ remapping.
So we set PCI_BUS_FLAGS_MSI_REMAP when this kind of host birdge
is detected.

Signed-off-by: Yongji Xie <xyjxie@linux.vnet.ibm.com>
Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
---
arch/powerpc/platforms/powernv/pci-ioda.c | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index c5baaf3..9011268 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -3094,6 +3094,12 @@ static void pnv_pci_ioda_fixup(void)
pnv_npu_ioda_fixup();
}

+int pnv_pci_ioda_root_bridge_prepare(struct pci_host_bridge *bridge)
+{
+ bridge->bus->bus_flags |= PCI_BUS_FLAGS_MSI_REMAP;
+ return 0;
+}
+
/*
* Returns the alignment for I/O or memory windows for P2P
* bridges. That actually depends on how PEs are segmented.
@@ -3395,6 +3401,8 @@ static void __init pnv_pci_init_ioda_phb(struct device_node *np,
*/
ppc_md.pcibios_fixup = pnv_pci_ioda_fixup;

+ ppc_md.pcibios_root_bridge_prepare = pnv_pci_ioda_root_bridge_prepare;
+
if (phb->type == PNV_PHB_NPU)
hose->controller_ops = pnv_npu_ioda_controller_ops;
else
--
1.7.9.5
\
 
 \ /
  Last update: 2016-05-30 15:41    [W:0.028 / U:0.032 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site