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authorLinus Torvalds <torvalds@linux-foundation.org>2011-07-10 10:28:30 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-10 10:28:30 -0400
commit7fc7693627f363820c0e95d1e082f73c197f83c4 (patch)
treef5668642a7a2fe0eb1e6ceb519f4a9832bf687c8 /arch/arm/mm/cache-l2x0.c
parent8733449b7c6aca8dc5357720c00633b0dfa78207 (diff)
parent90c5ffe592ff3b33afe2bdfe5e9ec630fc599e32 (diff)
Merge branch 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm: ARM: 6994/1: smp_twd: Fix typo in 'twd_timer_rate' printing ARM: 6987/1: l2x0: fix disabling function to avoid deadlock ARM: 6966/1: ep93xx: fix inverted RTS/DTR signals on uart1 ARM: 6980/1: mmci: use StartBitErr to detect bad connections ARM: 6979/1: mach-vt8500: add forgotten irq_data conversion ARM: move memory layout sanity checking before meminfo initialization ARM: 6990/1: MAINTAINERS: add entry for ARM PMU profiling and debugging ARM: 6989/1: perf: do not start the PMU when no events are present ARM: dmabounce: fix map_single() error return value
Diffstat (limited to 'arch/arm/mm/cache-l2x0.c')
-rw-r--r--arch/arm/mm/cache-l2x0.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c
index ef59099a5463..44c086710d2b 100644
--- a/arch/arm/mm/cache-l2x0.c
+++ b/arch/arm/mm/cache-l2x0.c
@@ -120,17 +120,22 @@ static void l2x0_cache_sync(void)
120 spin_unlock_irqrestore(&l2x0_lock, flags); 120 spin_unlock_irqrestore(&l2x0_lock, flags);
121} 121}
122 122
123static void l2x0_flush_all(void) 123static void __l2x0_flush_all(void)
124{ 124{
125 unsigned long flags;
126
127 /* clean all ways */
128 spin_lock_irqsave(&l2x0_lock, flags);
129 debug_writel(0x03); 125 debug_writel(0x03);
130 writel_relaxed(l2x0_way_mask, l2x0_base + L2X0_CLEAN_INV_WAY); 126 writel_relaxed(l2x0_way_mask, l2x0_base + L2X0_CLEAN_INV_WAY);
131 cache_wait_way(l2x0_base + L2X0_CLEAN_INV_WAY, l2x0_way_mask); 127 cache_wait_way(l2x0_base + L2X0_CLEAN_INV_WAY, l2x0_way_mask);
132 cache_sync(); 128 cache_sync();
133 debug_writel(0x00); 129 debug_writel(0x00);
130}
131
132static void l2x0_flush_all(void)
133{
134 unsigned long flags;
135
136 /* clean all ways */
137 spin_lock_irqsave(&l2x0_lock, flags);
138 __l2x0_flush_all();
134 spin_unlock_irqrestore(&l2x0_lock, flags); 139 spin_unlock_irqrestore(&l2x0_lock, flags);
135} 140}
136 141
@@ -266,7 +271,9 @@ static void l2x0_disable(void)
266 unsigned long flags; 271 unsigned long flags;
267 272
268 spin_lock_irqsave(&l2x0_lock, flags); 273 spin_lock_irqsave(&l2x0_lock, flags);
269 writel(0, l2x0_base + L2X0_CTRL); 274 __l2x0_flush_all();
275 writel_relaxed(0, l2x0_base + L2X0_CTRL);
276 dsb();
270 spin_unlock_irqrestore(&l2x0_lock, flags); 277 spin_unlock_irqrestore(&l2x0_lock, flags);
271} 278}
272 279