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Message-Id: <20200203181906.78264-1-Jason@zx2c4.com>
Date:   Mon,  3 Feb 2020 19:19:06 +0100
From:   "Jason A. Donenfeld" <Jason@...c4.com>
To:     linux-kernel@...r.kernel.org, bhelgaas@...gle.com, x86@...nel.org,
        hch@....de
Cc:     "Jason A. Donenfeld" <Jason@...c4.com>
Subject: [PATCH] x86/PCI: ensure to_pci_sysdata usage is guarded by CONFIG_PCI

Recently, the helper to_pci_sysdata was added inside of the CONFIG_PCI
guard, but it is used from inside of a CONFIG_PCI_MSI_IRQ_DOMAIN guard,
which does not require CONFIG_PCI. This breaks builds on !CONFIG_PCI
machines. This commit fixes the ifdef to require CONFIG_PCI.

Signed-off-by: Jason A. Donenfeld <Jason@...c4.com>
Fixes: aad6aa0cd674 ("x86/PCI: Add to_pci_sysdata() helper")
Cc: Christoph Hellwig <hch@....de>
---
 arch/x86/include/asm/pci.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h
index 40ac1330adb2..d8772b75236d 100644
--- a/arch/x86/include/asm/pci.h
+++ b/arch/x86/include/asm/pci.h
@@ -119,7 +119,7 @@ void native_restore_msi_irqs(struct pci_dev *dev);
 /* generic pci stuff */
 #include <asm-generic/pci.h>
 
-#ifdef CONFIG_NUMA
+#if defined(CONFIG_NUMA) && defined(CONFIG_PCI)
 /* Returns the node based on pci bus */
 static inline int __pcibus_to_node(const struct pci_bus *bus)
 {
-- 
2.25.0

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