Commit-ID: 39118e31e1daae43048f5deaa3e0894d2732a7d6
Gitweb: http://git.kernel.org/tip/39118e31e1daae43048f5deaa3e0894d2732a7d6
Author: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
AuthorDate: Thu, 9 Jul 2015 16:00:40 +0800
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Wed, 22 Jul 2015 18:37:43 +0200
x86/PCI: Use for_pci_msi_entry() to access MSI device list
Use accessor for_each_pci_msi_entry() to access MSI device list, so we
could easily move msi_list from struct pci_dev into struct device
later.
Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Cc: Tony Luck <tony.luck@xxxxxxxxx>
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx
Cc: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
Cc: Grant Likely <grant.likely@xxxxxxxxxx>
Cc: Marc Zyngier <marc.zyngier@xxxxxxx>
Cc: Stuart Yoder <stuart.yoder@xxxxxxxxxxxxx>
Cc: Yijing Wang <wangyijing@xxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1436428847-8886-6-git-send-email-jiang.liu@xxxxxxxxxxxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
arch/x86/pci/xen.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c
index d22f4b5..ff31ab4 100644
--- a/arch/x86/pci/xen.c
+++ b/arch/x86/pci/xen.c
@@ -179,7 +179,7 @@ static int xen_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
if (ret)
goto error;
i = 0;
- list_for_each_entry(msidesc, &dev->msi_list, list) {
+ for_each_pci_msi_entry(msidesc, dev) {
irq = xen_bind_pirq_msi_to_irq(dev, msidesc, v[i],
(type == PCI_CAP_ID_MSI) ? nvec : 1,
(type == PCI_CAP_ID_MSIX) ?
@@ -230,7 +230,7 @@ static int xen_hvm_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
if (type == PCI_CAP_ID_MSI && nvec > 1)
return 1;
- list_for_each_entry(msidesc, &dev->msi_list, list) {
+ for_each_pci_msi_entry(msidesc, dev) {
__pci_read_msi_msg(msidesc, &msg);
pirq = MSI_ADDR_EXT_DEST_ID(msg.address_hi) |
((msg.address_lo >> MSI_ADDR_DEST_ID_SHIFT) & 0xff);
@@ -274,7 +274,7 @@ static int xen_initdom_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
int ret = 0;
struct msi_desc *msidesc;
- list_for_each_entry(msidesc, &dev->msi_list, list) {
+ for_each_pci_msi_entry(msidesc, dev) {
struct physdev_map_pirq map_irq;
domid_t domid;
@@ -386,7 +386,7 @@ static void xen_teardown_msi_irqs(struct pci_dev *dev)
{
struct msi_desc *msidesc;
- msidesc = list_entry(dev->msi_list.next, struct msi_desc, list);
+ msidesc = first_pci_msi_entry(dev);
if (msidesc->msi_attrib.is_msix)
xen_pci_frontend_disable_msix(dev);
else
--
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