mtd: nand: pxa3xx: Add __maybe_unused keyword to enable_int()

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Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=57ff88f0f961348a1dec024d611ec7e281510529
Commit:     57ff88f0f961348a1dec024d611ec7e281510529
Parent:     f4db2e3a3315019c419a7ee8ebaf5d8b361be791
Author:     Ezequiel Garcia <ezequiel.garcia at free-electrons.com>
AuthorDate: Mon Aug 12 14:14:57 2013 -0300
Committer:  David Woodhouse <David.Woodhouse at intel.com>
CommitDate: Fri Aug 30 21:35:01 2013 +0100

    mtd: nand: pxa3xx: Add __maybe_unused keyword to enable_int()
    
    Now that we have added ARCH_HAS_DMA conditional the function
    enable_int() may be unused. Declare it as __maybe_unused,
    in order to remove the following warning, when the function is not used:
    
    drivers/mtd/nand//pxa3xx_nand.c:343:24: warning: 'enable_int' defined
    but not used [-Wunused-function]
    
    Signed-off-by: Ezequiel Garcia <ezequiel.garcia at free-electrons.com>
    Tested-by: Daniel Mack <zonque at gmail.com>
    Signed-off-by: Brian Norris <computersforpeace at gmail.com>
    Signed-off-by: David Woodhouse <David.Woodhouse at intel.com>
---
 drivers/mtd/nand/pxa3xx_nand.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index ce343bf..d14933c 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -348,7 +348,8 @@ static void pxa3xx_nand_stop(struct pxa3xx_nand_info *info)
 	nand_writel(info, NDSR, NDSR_MASK);
 }
 
-static void enable_int(struct pxa3xx_nand_info *info, uint32_t int_mask)
+static void __maybe_unused
+enable_int(struct pxa3xx_nand_info *info, uint32_t int_mask)
 {
 	uint32_t ndcr;