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locking, ARM: Annotate low level hw locks as raw

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Annotate the low level hardware locks which must not be preempted.

In mainline this change documents the low level nature of
the lock - otherwise there's no functional difference. Lockdep
and Sparse checking will work as usual.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Thomas Gleixner
2009-07-03 08:44:46 -05:00
committed by Ingo Molnar
parent a1741e7fcb
commit bd31b85960
18 changed files with 110 additions and 110 deletions
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6
arch/arm/mach-integrator/core.c
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@@ -205,7 +205,7 @@ static struct amba_pl010_data integrator_uart_data = {
#define CM_CTRL IO_ADDRESS(INTEGRATOR_HDR_CTRL)
static DEFINE_SPINLOCK(cm_lock);
static DEFINE_RAW_SPINLOCK(cm_lock);
/**
* cm_control - update the CM_CTRL register.
@@ -217,10 +217,10 @@ void cm_control(u32 mask, u32 set)
unsigned long flags;
u32 val;
spin_lock_irqsave(&cm_lock, flags);
raw_spin_lock_irqsave(&cm_lock, flags);
val = readl(CM_CTRL) & ~mask;
writel(val | set, CM_CTRL);
spin_unlock_irqrestore(&cm_lock, flags);
raw_spin_unlock_irqrestore(&cm_lock, flags);
}
EXPORT_SYMBOL(cm_control);