From: David Howells <dhowells@redhat.com>
To: torvalds@osdl.org, akpm@linux-foundation.org
Cc: linux-kernel@vger.kernel.org, David Howells <dhowells@redhat.com>
Subject: [PATCH] FRV: Hide uncached_access() when pgprot_noncached is not #defined
Date: Wed, 24 Mar 2010 17:05:47 +0000 [thread overview]
Message-ID: <20100324170547.10751.57449.stgit@warthog.procyon.org.uk> (raw)
Hide uncached_access() when pgprot_noncached is not #defined. This prevents
the following warning:
CC drivers/char/mem.o
drivers/char/mem.c:229: warning: 'uncached_access' defined but not used
Signed-off-by: David Howells <dhowells@redhat.com>
---
drivers/char/mem.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 1f3215a..0e16cd5 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -225,6 +225,7 @@ int __weak phys_mem_access_prot_allowed(struct file *file,
* outside of main memory.
*
*/
+#ifdef pgprot_noncached
static int uncached_access(struct file *file, unsigned long addr)
{
#if defined(CONFIG_IA64)
@@ -251,6 +252,7 @@ static int uncached_access(struct file *file, unsigned long addr)
return addr >= __pa(high_memory);
#endif
}
+#endif
static pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
unsigned long size, pgprot_t vma_prot)
reply other threads:[~2010-03-24 17:05 UTC|newest]
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