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authorJiang Liu <jiang.liu@linux.intel.com>2015-07-09 08:00:47 (GMT)
committerThomas Gleixner <tglx@linutronix.de>2015-07-22 16:37:44 (GMT)
commitaa48b6f708868ab9c22ca737f27a0da832bf7f08 (patch)
treeeaf8534e5415800e0a907ef7810ff7f7a37f335b /drivers/pci/msi.c
parentfc88419cfac50b05c7c1ea218b08e70c31d1b71f (diff)
downloadlinux-aa48b6f708868ab9c22ca737f27a0da832bf7f08.tar.xz
genirq/MSI: Move alloc_msi_entry() from PCI into generic MSI code
Move alloc_msi_entry() from PCI MSI code into generic MSI code, so it can be reused by other generic MSI drivers. Also introduce free_msi_entry() for completeness. Suggested-by: Stuart Yoder <stuart.yoder@freescale.com>. Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com> Reviewed-by: Marc Zyngier <marc.zyngier@arm.com> Reviewed-by: Yijing Wang <wangyijing@huawei.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com> Cc: Tony Luck <tony.luck@intel.com> Cc: linux-arm-kernel@lists.infradead.org Cc: Grant Likely <grant.likely@linaro.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Alexander Gordeev <agordeev@redhat.com> Link: http://lkml.kernel.org/r/1436428847-8886-13-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/pci/msi.c')
-rw-r--r--drivers/pci/msi.c16
1 files changed, 2 insertions, 14 deletions
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 897e1a4..cd4c78c 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -406,18 +406,6 @@ static void free_msi_irqs(struct pci_dev *dev)
}
}
-static struct msi_desc *alloc_msi_entry(struct pci_dev *dev)
-{
- struct msi_desc *desc = kzalloc(sizeof(*desc), GFP_KERNEL);
- if (!desc)
- return NULL;
-
- INIT_LIST_HEAD(&desc->list);
- desc->dev = &dev->dev;
-
- return desc;
-}
-
static void pci_intx_for_msi(struct pci_dev *dev, int enable)
{
if (!(dev->dev_flags & PCI_DEV_FLAGS_MSI_INTX_DISABLE_BUG))
@@ -572,7 +560,7 @@ static struct msi_desc *msi_setup_entry(struct pci_dev *dev, int nvec)
struct msi_desc *entry;
/* MSI Entry Initialization */
- entry = alloc_msi_entry(dev);
+ entry = alloc_msi_entry(&dev->dev);
if (!entry)
return NULL;
@@ -700,7 +688,7 @@ static int msix_setup_entries(struct pci_dev *dev, void __iomem *base,
int i;
for (i = 0; i < nvec; i++) {
- entry = alloc_msi_entry(dev);
+ entry = alloc_msi_entry(&dev->dev);
if (!entry) {
if (!i)
iounmap(base);