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From: vladimir.murzin@arm.com (Vladimir Murzin)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: NOMMU: provide pgprot_device() macro
Date: Mon, 15 May 2017 11:18:20 +0100	[thread overview]
Message-ID: <1494843500-40124-1-git-send-email-vladimir.murzin@arm.com> (raw)

NOMMU build leads to the following error:

  CC      drivers/pci/mmap.o
drivers/pci/mmap.c: In function 'pci_mmap_resource_range':
drivers/pci/mmap.c:60:3: error: implicit declaration of function 'pgprot_device' [-Werror=implicit-function-declaration]
   vma->vm_page_prot = pgprot_device(vma->vm_page_prot);
   ^
cc1: some warnings being treated as errors
scripts/Makefile.build:302: recipe for target 'drivers/pci/mmap.o' failed
make[2]: *** [drivers/pci/mmap.o] Error 1
scripts/Makefile.build:561: recipe for target 'drivers/pci' failed
make[1]: *** [drivers/pci] Error 2
Makefile:1016: recipe for target 'drivers' failed
make: *** [drivers] Error 2

Fix it with support of pgprot_device() macro for NOMMU.

Fixes: 00d2904ffeac ("ARM/PCI: Use generic pci_mmap_resource_range()")
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
---
 arch/arm/include/asm/pgtable-nommu.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/include/asm/pgtable-nommu.h b/arch/arm/include/asm/pgtable-nommu.h
index 302240c..a0d726a 100644
--- a/arch/arm/include/asm/pgtable-nommu.h
+++ b/arch/arm/include/asm/pgtable-nommu.h
@@ -66,6 +66,7 @@
 #define pgprot_noncached(prot)	(prot)
 #define pgprot_writecombine(prot) (prot)
 #define pgprot_dmacoherent(prot) (prot)
+#define pgprot_device(prot)	(prot)
 
 
 /*
-- 
1.9.1

             reply	other threads:[~2017-05-15 10:18 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-15 10:18 Vladimir Murzin [this message]
2017-05-23 20:05 ` [PATCH] ARM: NOMMU: provide pgprot_device() macro Russell King - ARM Linux

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