linux-kernel - [tip: irq/msi] powerpc/pseries/msi: Use PCI device properties

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Date:   Thu, 16 Dec 2021 21:41:11 -0000
From:   "tip-bot2 for Thomas Gleixner" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Jason Gunthorpe <jgg@...dia.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: irq/msi] powerpc/pseries/msi: Use PCI device properties

The following commit has been merged into the irq/msi branch of tip:

Commit-ID:     ed1533b5810141aceed2c2a3f13a17736f40e7fa
Gitweb:        https://git.kernel.org/tip/ed1533b5810141aceed2c2a3f13a17736f40e7fa
Author:        Thomas Gleixner <tglx@...utronix.de>
AuthorDate:    Fri, 10 Dec 2021 23:18:52 +01:00
Committer:     Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Thu, 16 Dec 2021 22:16:38 +01:00

powerpc/pseries/msi: Use PCI device properties

instead of fiddling with MSI descriptors.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Reviewed-by: Jason Gunthorpe <jgg@...dia.com>
Link: https://lore.kernel.org/r/20211210221813.556202506@linutronix.de

---
 arch/powerpc/platforms/pseries/msi.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c
index 8e28720..dc8cf36 100644
--- a/arch/powerpc/platforms/pseries/msi.c
+++ b/arch/powerpc/platforms/pseries/msi.c
@@ -448,8 +448,7 @@ static int pseries_msi_ops_prepare(struct irq_domain *domain, struct device *dev
 				   int nvec, msi_alloc_info_t *arg)
 {
 	struct pci_dev *pdev = to_pci_dev(dev);
-	struct msi_desc *desc = first_pci_msi_entry(pdev);
-	int type = desc->pci.msi_attrib.is_msix ? PCI_CAP_ID_MSIX : PCI_CAP_ID_MSI;
+	int type = pdev->msix_enabled ? PCI_CAP_ID_MSIX : PCI_CAP_ID_MSI;
 
 	return rtas_prepare_msi_irqs(pdev, nvec, type, arg);
 }