sparc/PCI: Use helper functions to access fields in struct msi_desc

Use helper functions to access fields in struct msi_desc, so we could
easily refine struct msi_desc later.

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Acked-by: David S. Miller <davem@davemloft.net>
Cc: Tony Luck <tony.luck@intel.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Stuart Yoder <stuart.yoder@freescale.com>
Cc: Yijing Wang <wangyijing@huawei.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Eric Snowberg <eric.snowberg@oracle.com>
Link: http://lkml.kernel.org/r/1436428847-8886-8-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index c928bc64b4bac1b1c5eb88c71c348469796883c5..048b406d9e02af274facb987b3f3d981ca78b707 100644 (file)
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -918,7 +918,7 @@ int arch_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc)
 void arch_teardown_msi_irq(unsigned int irq)
 {
        struct msi_desc *entry = irq_get_msi_desc(irq);
-       struct pci_dev *pdev = entry->dev;
+       struct pci_dev *pdev = msi_desc_to_pci_dev(entry);
        struct pci_pbm_info *pbm = pdev->dev.archdata.host_controller;
 
        if (pbm->teardown_msi_irq)