linux-kernel - [PATCH 1/1] ARM: cache-l2x0: Fix compile time warnings when !CONFIG

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Date:	Thu, 22 Nov 2012 12:07:47 +0000
From:	Lee Jones <lee.jones@...aro.org>
To:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:	arnd@...db.de, linus.walleij@...ricsson.com,
	Lee Jones <lee.jones@...aro.org>,
	Russell King <linux@....linux.org.uk>,
	Gregory CLEMENT <gregory.clement@...e-electrons.com>
Subject: [PATCH 1/1] ARM: cache-l2x0: Fix compile time warnings when !CONFIG_OF

Introduced by:
07bd005ed2457876f653fda12981708d737543df
ARM: 7547/1: cache-l2x0: add support for Aurora L2 cache ctrl

arch/arm/mm/cache-l2x0.c:37:12: warning: ‘l2_wt_override’ defined but not used
arch/arm/mm/cache-l2x0.c:292:22: warning: ‘calc_range_end’ defined but not used
arch/arm/mm/cache-l2x0.c:315:13: warning: ‘aurora_pa_range’ defined but not used
arch/arm/mm/cache-l2x0.c:328:13: warning: ‘aurora_inv_range’ defined but not used
arch/arm/mm/cache-l2x0.c:347:13: warning: ‘aurora_clean_range’ defined but not used
arch/arm/mm/cache-l2x0.c:365:13: warning: ‘aurora_flush_range’ defined but not used

Cc: Russell King <linux@....linux.org.uk>
Cc: Gregory CLEMENT <gregory.clement@...e-electrons.com>
Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
 arch/arm/mm/cache-l2x0.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c
index bfb5986..25a9226 100644
--- a/arch/arm/mm/cache-l2x0.c
+++ b/arch/arm/mm/cache-l2x0.c
@@ -34,7 +34,6 @@ static DEFINE_RAW_SPINLOCK(l2x0_lock);
 static u32 l2x0_way_mask;	/* Bitmask of active ways */
 static u32 l2x0_size;
 static unsigned long sync_reg_offset = L2X0_CACHE_SYNC;
-static int l2_wt_override;
 
 /* Aurora don't have the cache ID register available, so we have to
  * pass it though the device tree */
@@ -284,6 +283,10 @@ static void l2x0_flush_range(unsigned long start, unsigned long end)
 	raw_spin_unlock_irqrestore(&l2x0_lock, flags);
 }
 
+#ifdef CONFIG_OF
+
+static int l2_wt_override;
+
 /*
  * Note that the end addresses passed to Linux primitives are
  * noninclusive, while the hardware cache range operations use
@@ -375,6 +378,7 @@ static void aurora_flush_range(unsigned long start, unsigned long end)
 		}
 	}
 }
+#endif
 
 static void l2x0_disable(void)
 {
-- 
1.7.9.5

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