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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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14
arch/arm/mach-integrator/pci_v3.c
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@@ -164,7 +164,7 @@
* 7:2 register number
*
*/
static DEFINE_SPINLOCK(v3_lock);
static DEFINE_RAW_SPINLOCK(v3_lock);
#define PCI_BUS_NONMEM_START 0x00000000
#define PCI_BUS_NONMEM_SIZE SZ_256M
@@ -285,7 +285,7 @@ static int v3_read_config(struct pci_bus *bus, unsigned int devfn, int where,
unsigned long flags;
u32 v;
spin_lock_irqsave(&v3_lock, flags);
raw_spin_lock_irqsave(&v3_lock, flags);
addr = v3_open_config_window(bus, devfn, where);
switch (size) {
@@ -303,7 +303,7 @@ static int v3_read_config(struct pci_bus *bus, unsigned int devfn, int where,
}
v3_close_config_window();
spin_unlock_irqrestore(&v3_lock, flags);
raw_spin_unlock_irqrestore(&v3_lock, flags);
*val = v;
return PCIBIOS_SUCCESSFUL;
@@ -315,7 +315,7 @@ static int v3_write_config(struct pci_bus *bus, unsigned int devfn, int where,
unsigned long addr;
unsigned long flags;
spin_lock_irqsave(&v3_lock, flags);
raw_spin_lock_irqsave(&v3_lock, flags);
addr = v3_open_config_window(bus, devfn, where);
switch (size) {
@@ -336,7 +336,7 @@ static int v3_write_config(struct pci_bus *bus, unsigned int devfn, int where,
}
v3_close_config_window();
spin_unlock_irqrestore(&v3_lock, flags);
raw_spin_unlock_irqrestore(&v3_lock, flags);
return PCIBIOS_SUCCESSFUL;
}
@@ -515,7 +515,7 @@ void __init pci_v3_preinit(void)
hook_fault_code(8, v3_pci_fault, SIGBUS, 0, "external abort on non-linefetch");
hook_fault_code(10, v3_pci_fault, SIGBUS, 0, "external abort on non-linefetch");
spin_lock_irqsave(&v3_lock, flags);
raw_spin_lock_irqsave(&v3_lock, flags);
/*
* Unlock V3 registers, but only if they were previously locked.
@@ -588,7 +588,7 @@ void __init pci_v3_preinit(void)
printk(KERN_ERR "PCI: unable to grab PCI error "
"interrupt: %d\n", ret);
spin_unlock_irqrestore(&v3_lock, flags);
raw_spin_unlock_irqrestore(&v3_lock, flags);
}
void __init pci_v3_postinit(void)