Commit d8a1cb75 authored by Marc Zyngier's avatar Marc Zyngier Committed by Thomas Gleixner

PCI/MSI: Let pci_msi_get_domain use struct device::msi_domain

Now that we can easily find which MSI domain a PCI device is
using, use dev_get_msi_domain as a way to retrieve the information.

The original code is still used as a fallback.
Acked-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Reviewed-by: default avatarHanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: default avatarMarc Zyngier <marc.zyngier@arm.com>
Cc: <linux-arm-kernel@lists.infradead.org>
Cc: Yijing Wang <wangyijing@huawei.com>
Cc: Ma Jun <majun258@huawei.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Duc Dang <dhdang@apm.com>
Cc: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Link: http://lkml.kernel.org/r/1438091186-10244-8-git-send-email-marc.zyngier@arm.comSigned-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 471c931c
...@@ -39,14 +39,16 @@ struct irq_domain * __weak arch_get_pci_msi_domain(struct pci_dev *dev) ...@@ -39,14 +39,16 @@ struct irq_domain * __weak arch_get_pci_msi_domain(struct pci_dev *dev)
static struct irq_domain *pci_msi_get_domain(struct pci_dev *dev) static struct irq_domain *pci_msi_get_domain(struct pci_dev *dev)
{ {
struct irq_domain *domain = NULL; struct irq_domain *domain;
if (dev->bus->msi) domain = dev_get_msi_domain(&dev->dev);
domain = dev->bus->msi->domain; if (domain)
if (!domain) return domain;
domain = arch_get_pci_msi_domain(dev);
if (dev->bus->msi && (domain = dev->bus->msi->domain))
return domain; return domain;
return arch_get_pci_msi_domain(dev);
} }
static int pci_msi_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) static int pci_msi_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
......
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