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authorThomas Gleixner <tglx@linutronix.de>2010-02-17 21:22:59 -0500
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2010-02-18 22:52:30 -0500
commit7d725bdc1b25b9c4ff7c14e43d0d0d6c3d677727 (patch)
treed614fdb26e5e0d9b3a4985076a8b1ee1e091daaf /arch/powerpc
parentbe833f3371bd9580d9f5a507390d72452577f394 (diff)
powerpc: Convert nv_lock to raw_spinlock
nv_lock needs to be a real spinlock in RT. Convert it to raw_spinlock. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/platforms/powermac/nvram.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/arch/powerpc/platforms/powermac/nvram.c b/arch/powerpc/platforms/powermac/nvram.c
index c6f0f9e738e5..80a5258d0364 100644
--- a/arch/powerpc/platforms/powermac/nvram.c
+++ b/arch/powerpc/platforms/powermac/nvram.c
@@ -80,7 +80,7 @@ static int is_core_99;
80static int core99_bank = 0; 80static int core99_bank = 0;
81static int nvram_partitions[3]; 81static int nvram_partitions[3];
82// XXX Turn that into a sem 82// XXX Turn that into a sem
83static DEFINE_SPINLOCK(nv_lock); 83static DEFINE_RAW_SPINLOCK(nv_lock);
84 84
85static int (*core99_write_bank)(int bank, u8* datas); 85static int (*core99_write_bank)(int bank, u8* datas);
86static int (*core99_erase_bank)(int bank); 86static int (*core99_erase_bank)(int bank);
@@ -165,10 +165,10 @@ static unsigned char indirect_nvram_read_byte(int addr)
165 unsigned char val; 165 unsigned char val;
166 unsigned long flags; 166 unsigned long flags;
167 167
168 spin_lock_irqsave(&nv_lock, flags); 168 raw_spin_lock_irqsave(&nv_lock, flags);
169 out_8(nvram_addr, addr >> 5); 169 out_8(nvram_addr, addr >> 5);
170 val = in_8(&nvram_data[(addr & 0x1f) << 4]); 170 val = in_8(&nvram_data[(addr & 0x1f) << 4]);
171 spin_unlock_irqrestore(&nv_lock, flags); 171 raw_spin_unlock_irqrestore(&nv_lock, flags);
172 172
173 return val; 173 return val;
174} 174}
@@ -177,10 +177,10 @@ static void indirect_nvram_write_byte(int addr, unsigned char val)
177{ 177{
178 unsigned long flags; 178 unsigned long flags;
179 179
180 spin_lock_irqsave(&nv_lock, flags); 180 raw_spin_lock_irqsave(&nv_lock, flags);
181 out_8(nvram_addr, addr >> 5); 181 out_8(nvram_addr, addr >> 5);
182 out_8(&nvram_data[(addr & 0x1f) << 4], val); 182 out_8(&nvram_data[(addr & 0x1f) << 4], val);
183 spin_unlock_irqrestore(&nv_lock, flags); 183 raw_spin_unlock_irqrestore(&nv_lock, flags);
184} 184}
185 185
186 186
@@ -481,7 +481,7 @@ static void core99_nvram_sync(void)
481 if (!is_core_99 || !nvram_data || !nvram_image) 481 if (!is_core_99 || !nvram_data || !nvram_image)
482 return; 482 return;
483 483
484 spin_lock_irqsave(&nv_lock, flags); 484 raw_spin_lock_irqsave(&nv_lock, flags);
485 if (!memcmp(nvram_image, (u8*)nvram_data + core99_bank*NVRAM_SIZE, 485 if (!memcmp(nvram_image, (u8*)nvram_data + core99_bank*NVRAM_SIZE,
486 NVRAM_SIZE)) 486 NVRAM_SIZE))
487 goto bail; 487 goto bail;
@@ -503,7 +503,7 @@ static void core99_nvram_sync(void)
503 if (core99_write_bank(core99_bank, nvram_image)) 503 if (core99_write_bank(core99_bank, nvram_image))
504 printk("nvram: Error writing bank %d\n", core99_bank); 504 printk("nvram: Error writing bank %d\n", core99_bank);
505 bail: 505 bail:
506 spin_unlock_irqrestore(&nv_lock, flags); 506 raw_spin_unlock_irqrestore(&nv_lock, flags);
507 507
508#ifdef DEBUG 508#ifdef DEBUG
509 mdelay(2000); 509 mdelay(2000);