linux-kernel - [PATCH 3/5] powerpc/pci: Hide pci_create_OF_bus

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Date:   Wed,  6 Jul 2022 12:43:06 +0200
From:   Pali Rohár <pali@...nel.org>
To:     Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Cédric Le Goater <clg@...d.org>,
        Nick Child <nick.child@....com>,
        Bjorn Helgaas <helgaas@...nel.org>
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 3/5] powerpc/pci: Hide pci_create_OF_bus_map() for non-chrp code

Function pci_create_OF_bus_map() is used only in chrp code.
So hide it from all other platforms as it is unsed.

Signed-off-by: Pali Rohár <pali@...nel.org>
---
 arch/powerpc/include/asm/pci-bridge.h | 2 ++
 arch/powerpc/kernel/pci_32.c          | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h
index 98156932a1f5..e18c95f4e1d4 100644
--- a/arch/powerpc/include/asm/pci-bridge.h
+++ b/arch/powerpc/include/asm/pci-bridge.h
@@ -176,7 +176,9 @@ extern int pci_device_from_OF_node(struct device_node *node,
 #endif
 #ifndef CONFIG_PPC64
 
+#ifdef CONFIG_PPC_CHRP
 extern void pci_create_OF_bus_map(void);
+#endif
 
 #else	/* CONFIG_PPC64 */
 
diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c
index df981294df29..3291af89cea4 100644
--- a/arch/powerpc/kernel/pci_32.c
+++ b/arch/powerpc/kernel/pci_32.c
@@ -194,6 +194,7 @@ int pci_device_from_OF_node(struct device_node *node, u8 *bus, u8 *devfn)
 EXPORT_SYMBOL(pci_device_from_OF_node);
 #endif
 
+#ifdef CONFIG_PPC_CHRP
 /* We create the "pci-OF-bus-map" property now so it appears in the
  * /proc device tree
  */
@@ -218,6 +219,7 @@ pci_create_OF_bus_map(void)
 		of_node_put(dn);
 	}
 }
+#endif
 
 void pcibios_setup_phb_io_space(struct pci_controller *hose)
 {
-- 
2.20.1