nv_lock needs to be a real spinlock in RT. Convert it to raw_spinlock. Signed-off-by: Thomas Gleixner --- arch/powerpc/platforms/powermac/nvram.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) Index: linux-2.6-tip/arch/powerpc/platforms/powermac/nvram.c =================================================================== --- linux-2.6-tip.orig/arch/powerpc/platforms/powermac/nvram.c +++ linux-2.6-tip/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 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(in { 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);