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Re: [Qemu-ppc] [Qemu-devel] [PATCH v4 2/2] change type of pci_bridge_ini


From: Marcel Apfelbaum
Subject: Re: [Qemu-ppc] [Qemu-devel] [PATCH v4 2/2] change type of pci_bridge_initfn() to void
Date: Sun, 17 Jan 2016 15:25:01 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0

On 01/15/2016 04:23 AM, Cao jin wrote:
Since it can`t fail. Also modify the callers.

Signed-off-by: Cao jin <address@hidden>
Reviewed-by: Markus Armbruster <address@hidden>
---
  hw/pci-bridge/i82801b11.c          | 5 +----
  hw/pci-bridge/ioh3420.c            | 6 +-----
  hw/pci-bridge/pci_bridge_dev.c     | 8 +++-----
  hw/pci-bridge/xio3130_downstream.c | 6 +-----
  hw/pci-bridge/xio3130_upstream.c   | 6 +-----
  hw/pci-host/apb.c                  | 7 +------
  hw/pci/pci_bridge.c                | 3 +--
  include/hw/pci/pci_bridge.h        | 2 +-
  8 files changed, 10 insertions(+), 33 deletions(-)

diff --git a/hw/pci-bridge/i82801b11.c b/hw/pci-bridge/i82801b11.c
index 7e79bc0..b21bc2c 100644
--- a/hw/pci-bridge/i82801b11.c
+++ b/hw/pci-bridge/i82801b11.c
@@ -61,10 +61,7 @@ static int i82801b11_bridge_initfn(PCIDevice *d)
  {
      int rc;

-    rc = pci_bridge_initfn(d, TYPE_PCI_BUS);
-    if (rc < 0) {
-        return rc;
-    }
+    pci_bridge_initfn(d, TYPE_PCI_BUS);

      rc = pci_bridge_ssvid_init(d, I82801ba_SSVID_OFFSET,
                                 I82801ba_SSVID_SVID, I82801ba_SSVID_SSID);
diff --git a/hw/pci-bridge/ioh3420.c b/hw/pci-bridge/ioh3420.c
index cce2fdd..eead195 100644
--- a/hw/pci-bridge/ioh3420.c
+++ b/hw/pci-bridge/ioh3420.c
@@ -97,11 +97,7 @@ static int ioh3420_initfn(PCIDevice *d)
      PCIESlot *s = PCIE_SLOT(d);
      int rc;

-    rc = pci_bridge_initfn(d, TYPE_PCIE_BUS);
-    if (rc < 0) {
-        return rc;
-    }
-
+    pci_bridge_initfn(d, TYPE_PCIE_BUS);
      pcie_port_init_reg(d);

      rc = pci_bridge_ssvid_init(d, IOH_EP_SSVID_OFFSET,
diff --git a/hw/pci-bridge/pci_bridge_dev.c b/hw/pci-bridge/pci_bridge_dev.c
index 26aded9..bc3e1b7 100644
--- a/hw/pci-bridge/pci_bridge_dev.c
+++ b/hw/pci-bridge/pci_bridge_dev.c
@@ -52,10 +52,8 @@ static int pci_bridge_dev_initfn(PCIDevice *dev)
      PCIBridgeDev *bridge_dev = PCI_BRIDGE_DEV(dev);
      int err;

-    err = pci_bridge_initfn(dev, TYPE_PCI_BUS);
-    if (err) {
-        goto bridge_error;
-    }
+    pci_bridge_initfn(dev, TYPE_PCI_BUS);
+
      if (bridge_dev->flags & (1 << PCI_BRIDGE_DEV_F_SHPC_REQ)) {
          dev->config[PCI_INTERRUPT_PIN] = 0x1;
          memory_region_init(&bridge_dev->bar, OBJECT(dev), "shpc-bar",
@@ -94,7 +92,7 @@ slotid_error:
      }
  shpc_error:
      pci_bridge_exitfn(dev);
-bridge_error:
+
      return err;
  }

diff --git a/hw/pci-bridge/xio3130_downstream.c 
b/hw/pci-bridge/xio3130_downstream.c
index b3a6479..b4dd25f 100644
--- a/hw/pci-bridge/xio3130_downstream.c
+++ b/hw/pci-bridge/xio3130_downstream.c
@@ -60,11 +60,7 @@ static int xio3130_downstream_initfn(PCIDevice *d)
      PCIESlot *s = PCIE_SLOT(d);
      int rc;

-    rc = pci_bridge_initfn(d, TYPE_PCIE_BUS);
-    if (rc < 0) {
-        return rc;
-    }
-
+    pci_bridge_initfn(d, TYPE_PCIE_BUS);
      pcie_port_init_reg(d);

      rc = msi_init(d, XIO3130_MSI_OFFSET, XIO3130_MSI_NR_VECTOR,
diff --git a/hw/pci-bridge/xio3130_upstream.c b/hw/pci-bridge/xio3130_upstream.c
index eada582..434c8fd 100644
--- a/hw/pci-bridge/xio3130_upstream.c
+++ b/hw/pci-bridge/xio3130_upstream.c
@@ -56,11 +56,7 @@ static int xio3130_upstream_initfn(PCIDevice *d)
      PCIEPort *p = PCIE_PORT(d);
      int rc;

-    rc = pci_bridge_initfn(d, TYPE_PCIE_BUS);
-    if (rc < 0) {
-        return rc;
-    }
-
+    pci_bridge_initfn(d, TYPE_PCIE_BUS);
      pcie_port_init_reg(d);

      rc = msi_init(d, XIO3130_MSI_OFFSET, XIO3130_MSI_NR_VECTOR,
diff --git a/hw/pci-host/apb.c b/hw/pci-host/apb.c
index 599768e..0a53137 100644
--- a/hw/pci-host/apb.c
+++ b/hw/pci-host/apb.c
@@ -634,12 +634,7 @@ static void pci_apb_set_irq(void *opaque, int irq_num, int 
level)

  static int apb_pci_bridge_initfn(PCIDevice *dev)
  {
-    int rc;
-
-    rc = pci_bridge_initfn(dev, TYPE_PCI_BUS);
-    if (rc < 0) {
-        return rc;
-    }
+    pci_bridge_initfn(dev, TYPE_PCI_BUS);

      /*
       * command register:
diff --git a/hw/pci/pci_bridge.c b/hw/pci/pci_bridge.c
index 40c97b1..5c30795 100644
--- a/hw/pci/pci_bridge.c
+++ b/hw/pci/pci_bridge.c
@@ -332,7 +332,7 @@ void pci_bridge_reset(DeviceState *qdev)
  }

  /* default qdev initialization function for PCI-to-PCI bridge */
-int pci_bridge_initfn(PCIDevice *dev, const char *typename)
+void pci_bridge_initfn(PCIDevice *dev, const char *typename)
  {
      PCIBus *parent = dev->bus;
      PCIBridge *br = PCI_BRIDGE(dev);
@@ -378,7 +378,6 @@ int pci_bridge_initfn(PCIDevice *dev, const char *typename)
      br->windows = pci_bridge_region_init(br);
      QLIST_INIT(&sec_bus->child);
      QLIST_INSERT_HEAD(&parent->child, sec_bus, sibling);
-    return 0;
  }

  /* default qdev clean up function for PCI-to-PCI bridge */
diff --git a/include/hw/pci/pci_bridge.h b/include/hw/pci/pci_bridge.h
index 93b621c..ed4aff6 100644
--- a/include/hw/pci/pci_bridge.h
+++ b/include/hw/pci/pci_bridge.h
@@ -48,7 +48,7 @@ void pci_bridge_disable_base_limit(PCIDevice *dev);
  void pci_bridge_reset_reg(PCIDevice *dev);
  void pci_bridge_reset(DeviceState *qdev);

-int pci_bridge_initfn(PCIDevice *pci_dev, const char *typename);
+void pci_bridge_initfn(PCIDevice *pci_dev, const char *typename);
  void pci_bridge_exitfn(PCIDevice *pci_dev);





Looks OK to me,

Reviewed-by: Marcel Apfelbaum <address@hidden>

Thanks,
Marcel



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