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From: Lu Baolu <baolu.lu@linux.intel.com>
To: Will Deacon <will@kernel.org>, Joerg Roedel <joro@8bytes.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org,
	Lu Baolu <baolu.lu@linux.intel.com>
Subject: [PATCH 1/1] iommu/vt-d: Fix compile error with CONFIG_PCI_ATS not set
Date: Thu, 19 Nov 2020 13:51:19 +0800	[thread overview]
Message-ID: <20201119055119.2862701-1-baolu.lu@linux.intel.com> (raw)

Fix the compile error below (CONFIG_PCI_ATS not set):

drivers/iommu/intel/dmar.c: In function ‘vf_inherit_msi_domain’:
drivers/iommu/intel/dmar.c:338:59: error: ‘struct pci_dev’ has no member named ‘physfn’; did you mean ‘is_physfn’?
  338 |  dev_set_msi_domain(&pdev->dev, dev_get_msi_domain(&pdev->physfn->dev));
      |                                                           ^~~~~~
      |                                                           is_physfn

Link: https://lore.kernel.org/linux-iommu/CAMuHMdXA7wfJovmfSH2nbAhN0cPyCiFHodTvg4a8Hm9rx5Dj-w@mail.gmail.com/
Fixes: ff828729be446 ("iommu/vt-d: Cure VF irqdomain hickup")
Cc: Thomas Gleixner <tglx@linutronix.de>
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
---
 drivers/iommu/intel/dmar.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/iommu/intel/dmar.c b/drivers/iommu/intel/dmar.c
index b2e804473209..11319e4dce4a 100644
--- a/drivers/iommu/intel/dmar.c
+++ b/drivers/iommu/intel/dmar.c
@@ -335,7 +335,9 @@ static void  dmar_pci_bus_del_dev(struct dmar_pci_notify_info *info)
 
 static inline void vf_inherit_msi_domain(struct pci_dev *pdev)
 {
-	dev_set_msi_domain(&pdev->dev, dev_get_msi_domain(&pdev->physfn->dev));
+	struct pci_dev *physfn = pci_physfn(pdev);
+
+	dev_set_msi_domain(&pdev->dev, dev_get_msi_domain(&physfn->dev));
 }
 
 static int dmar_pci_bus_notifier(struct notifier_block *nb,
-- 
2.25.1


WARNING: multiple messages have this Message-ID (diff)
From: Lu Baolu <baolu.lu@linux.intel.com>
To: Will Deacon <will@kernel.org>, Joerg Roedel <joro@8bytes.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org
Subject: [PATCH 1/1] iommu/vt-d: Fix compile error with CONFIG_PCI_ATS not set
Date: Thu, 19 Nov 2020 13:51:19 +0800	[thread overview]
Message-ID: <20201119055119.2862701-1-baolu.lu@linux.intel.com> (raw)

Fix the compile error below (CONFIG_PCI_ATS not set):

drivers/iommu/intel/dmar.c: In function ‘vf_inherit_msi_domain’:
drivers/iommu/intel/dmar.c:338:59: error: ‘struct pci_dev’ has no member named ‘physfn’; did you mean ‘is_physfn’?
  338 |  dev_set_msi_domain(&pdev->dev, dev_get_msi_domain(&pdev->physfn->dev));
      |                                                           ^~~~~~
      |                                                           is_physfn

Link: https://lore.kernel.org/linux-iommu/CAMuHMdXA7wfJovmfSH2nbAhN0cPyCiFHodTvg4a8Hm9rx5Dj-w@mail.gmail.com/
Fixes: ff828729be446 ("iommu/vt-d: Cure VF irqdomain hickup")
Cc: Thomas Gleixner <tglx@linutronix.de>
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
---
 drivers/iommu/intel/dmar.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/iommu/intel/dmar.c b/drivers/iommu/intel/dmar.c
index b2e804473209..11319e4dce4a 100644
--- a/drivers/iommu/intel/dmar.c
+++ b/drivers/iommu/intel/dmar.c
@@ -335,7 +335,9 @@ static void  dmar_pci_bus_del_dev(struct dmar_pci_notify_info *info)
 
 static inline void vf_inherit_msi_domain(struct pci_dev *pdev)
 {
-	dev_set_msi_domain(&pdev->dev, dev_get_msi_domain(&pdev->physfn->dev));
+	struct pci_dev *physfn = pci_physfn(pdev);
+
+	dev_set_msi_domain(&pdev->dev, dev_get_msi_domain(&physfn->dev));
 }
 
 static int dmar_pci_bus_notifier(struct notifier_block *nb,
-- 
2.25.1

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             reply	other threads:[~2020-11-19  5:59 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-19  5:51 Lu Baolu [this message]
2020-11-19  5:51 ` [PATCH 1/1] iommu/vt-d: Fix compile error with CONFIG_PCI_ATS not set Lu Baolu
2020-11-19 10:37 ` Will Deacon
2020-11-19 10:37   ` Will Deacon

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