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>

diff --git a/arch/powerpc/platforms/powermac/nvram.c b/arch/powerpc/platforms/powermac/nvram.c
index c6f0f9e..80a5258 100644 (file)
--- a/arch/powerpc/platforms/powermac/nvram.c
+++ b/arch/powerpc/platforms/powermac/nvram.c
@@ -80,7 +80,7 @@ static int is_core_99;
 static int core99_bank = 0;
 static int nvram_partitions[3];
 // XXX Turn that into a sem
-static DEFINE_SPINLOCK(nv_lock);
+static DEFINE_RAW_SPINLOCK(nv_lock);
 
 static int (*core99_write_bank)(int bank, u8* datas);
 static int (*core99_erase_bank)(int bank);
@@ -165,10 +165,10 @@ static unsigned char indirect_nvram_read_byte(int addr)
        unsigned char val;
        unsigned long flags;
 
-       spin_lock_irqsave(&nv_lock, flags);
+       raw_spin_lock_irqsave(&nv_lock, flags);
        out_8(nvram_addr, addr >> 5);
        val = in_8(&nvram_data[(addr & 0x1f) << 4]);
-       spin_unlock_irqrestore(&nv_lock, flags);
+       raw_spin_unlock_irqrestore(&nv_lock, flags);
 
        return val;
 }
@@ -177,10 +177,10 @@ static void indirect_nvram_write_byte(int addr, unsigned char val)
 {
        unsigned long flags;
 
-       spin_lock_irqsave(&nv_lock, flags);
+       raw_spin_lock_irqsave(&nv_lock, flags);
        out_8(nvram_addr, addr >> 5);
        out_8(&nvram_data[(addr & 0x1f) << 4], val);
-       spin_unlock_irqrestore(&nv_lock, flags);
+       raw_spin_unlock_irqrestore(&nv_lock, flags);
 }
 
 
@@ -481,7 +481,7 @@ static void core99_nvram_sync(void)
        if (!is_core_99 || !nvram_data || !nvram_image)
                return;
 
-       spin_lock_irqsave(&nv_lock, flags);
+       raw_spin_lock_irqsave(&nv_lock, flags);
        if (!memcmp(nvram_image, (u8*)nvram_data + core99_bank*NVRAM_SIZE,
                NVRAM_SIZE))
                goto bail;
@@ -503,7 +503,7 @@ static void core99_nvram_sync(void)
                if (core99_write_bank(core99_bank, nvram_image))
                        printk("nvram: Error writing bank %d\n", core99_bank);
  bail:
-       spin_unlock_irqrestore(&nv_lock, flags);
+       raw_spin_unlock_irqrestore(&nv_lock, flags);
 
 #ifdef DEBUG
                mdelay(2000);