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[PATCH v3 3/3] pnv: Fix reverse dependency on PCI express root ports


From: Greg Kurz
Subject: [PATCH v3 3/3] pnv: Fix reverse dependency on PCI express root ports
Date: Thu, 24 Dec 2020 18:23:03 +0100
User-agent: StGit/0.21

qemu-system-ppc64 built with --without-default-devices crashes:

Type 'pnv-phb4-root-port' is missing its parent 'pcie-root-port-base'
Aborted (core dumped)

Have POWERNV to select PCIE_PORT. This is done through a
new PCI_POWERNV config in hw/pci-host/Kconfig since POWERNV
doesn't have a direct dependency on PCI. For this reason,
PCI_EXPRESS and MSI_NONBROKEN are also moved under
PCI_POWERNV.

Signed-off-by: Greg Kurz <groug@kaod.org>
Reviewed-by: C├ędric Le Goater <clg@kaod.org>
---
 hw/pci-host/Kconfig     |    5 +++++
 hw/pci-host/meson.build |    2 +-
 hw/ppc/Kconfig          |    3 +--
 3 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/hw/pci-host/Kconfig b/hw/pci-host/Kconfig
index 036a61877a73..eb03f0489d08 100644
--- a/hw/pci-host/Kconfig
+++ b/hw/pci-host/Kconfig
@@ -60,3 +60,8 @@ config PCI_BONITO
     select PCI
     select UNIMP
     bool
+
+config PCI_POWERNV
+    select PCI_EXPRESS
+    select MSI_NONBROKEN
+    select PCIE_PORT
diff --git a/hw/pci-host/meson.build b/hw/pci-host/meson.build
index e6d1b896848c..da9d1a9964a8 100644
--- a/hw/pci-host/meson.build
+++ b/hw/pci-host/meson.build
@@ -23,7 +23,7 @@ pci_ss.add(when: 'CONFIG_VERSATILE_PCI', if_true: 
files('versatile.c'))
 
 softmmu_ss.add_all(when: 'CONFIG_PCI', if_true: pci_ss)
 
-specific_ss.add(when: 'CONFIG_POWERNV', if_true: files(
+specific_ss.add(when: 'CONFIG_PCI_POWERNV', if_true: files(
   'pnv_phb3.c',
   'pnv_phb3_msi.c',
   'pnv_phb3_pbcq.c',
diff --git a/hw/ppc/Kconfig b/hw/ppc/Kconfig
index a213994ebf5d..d11dc30509df 100644
--- a/hw/ppc/Kconfig
+++ b/hw/ppc/Kconfig
@@ -29,8 +29,7 @@ config POWERNV
     select XICS
     select XIVE
     select FDT_PPC
-    select PCI_EXPRESS
-    select MSI_NONBROKEN
+    select PCI_POWERNV
 
 config PPC405
     bool





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