From: thierry.reding@gmail.com (Thierry Reding)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: Use arch_virt_to_idmap() only when available
Date: Wed, 23 Oct 2013 15:08:02 +0200 [thread overview]
Message-ID: <1382533682-4835-1-git-send-email-treding@nvidia.com> (raw)
The arch_virt_to_idmap variable is only available when patching of the
physical to virtual translations at runtime is enabled via the Kconfig
ARM_PATCH_PHYS_VIRT option.
Signed-off-by: Thierry Reding <treding@nvidia.com>
---
arch/arm/include/asm/memory.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 6748d62..38f2437 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -297,9 +297,11 @@ static inline void *phys_to_virt(phys_addr_t x)
*/
static inline phys_addr_t __virt_to_idmap(unsigned long x)
{
+#ifdef CONFIG_ARM_PATCH_VIRT_PHYS
if (arch_virt_to_idmap)
return arch_virt_to_idmap(x);
else
+#endif
return __virt_to_phys(x);
}
--
1.8.4
reply other threads:[~2013-10-23 13:08 UTC|newest]
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