linux-kernel - [PATCH] parisc: fix longstanding build failures for !CONFIG

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Date:	Sun, 26 Feb 2012 18:24:37 -0500
From:	Paul Gortmaker <paul.gortmaker@...driver.com>
To:	JBottomley@...allels.com, jejb@...isc-linux.org, kyle@...artin.ca,
	deller@....de
Cc:	linux-parisc@...r.kernel.org, mst@...hat.com,
	linux-kernel@...r.kernel.org, linux-next@...r.kernel.org,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	Randy Dunlap <rdunlap@...otime.net>
Subject: [PATCH] parisc: fix longstanding build failures for !CONFIG_PCI

Upstream commit fea80311a939a746533a6d7e7c3183729d6a3faf

    "iomap: make IOPORT/PCI mapping functions conditional"

introduced an arch independent stub for pci_iounmap() but the
parisc had its own that was unconditionally built.  So builds
since v3.0-3553-gfea8031 have been failing with:

arch/parisc/lib/iomap.c:439:6: error: redefinition of 'pci_iounmap'
include/asm-generic/iomap.h:75:20: note: previous definition of 'pci_iounmap' was here

Making the parisc one specific to CONFIG_PCI fixes the problem.

CC: Randy Dunlap <rdunlap@...otime.net>
Signed-off-by: Paul Gortmaker <paul.gortmaker@...driver.com>
---

[This fixes the linux-next builds that have been consistently failing
 since last July -- http://kisskb.ellerman.id.au/kisskb/target/2069/ ]

diff --git a/arch/parisc/lib/iomap.c b/arch/parisc/lib/iomap.c
index fb8e10a..dc0a2c3 100644
--- a/arch/parisc/lib/iomap.c
+++ b/arch/parisc/lib/iomap.c
@@ -436,12 +436,15 @@ void ioport_unmap(void __iomem *addr)
 	}
 }
 
+#ifdef CONFIG_PCI
 void pci_iounmap(struct pci_dev *dev, void __iomem * addr)
 {
 	if (!INDIRECT_ADDR(addr)) {
 		iounmap(addr);
 	}
 }
+EXPORT_SYMBOL(pci_iounmap);
+#endif
 
 EXPORT_SYMBOL(ioread8);
 EXPORT_SYMBOL(ioread16);
@@ -461,4 +464,3 @@ EXPORT_SYMBOL(iowrite16_rep);
 EXPORT_SYMBOL(iowrite32_rep);
 EXPORT_SYMBOL(ioport_map);
 EXPORT_SYMBOL(ioport_unmap);
-EXPORT_SYMBOL(pci_iounmap);
-- 
1.7.9.1

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