[PATCH] unified spinlock initialization arch/mips/kernel/irq.c

[PATCH] unified spinlock initialization arch/mips/kernel/irq.c

[Amit Gud]

Unify the spinlock initialization as far as possible.

Do consider applying.

Signed-off-by: Amit Gud <gud@eth.net>

--- orig/arch/mips/kernel/irq.c	2005-01-20 20:06:12.000000000 +0530
+++ linux-2.6.11-rc2/arch/mips/kernel/irq.c	2005-01-25 15:29:35.000000000 +0530
@@ -125,7 +125,7 @@ void __init init_IRQ(void)
 		irq_desc[i].action  = NULL;
 		irq_desc[i].depth   = 1;
 		irq_desc[i].handler = &no_irq_type;
-		irq_desc[i].lock = SPIN_LOCK_UNLOCKED;
+		spin_lock_init(&irq_desc[i].lock);
 	}
 
 	arch_init_irq();

Re: [KJ] [PATCH] unified spinlock initialization arch/mips/kernel/irq.c

[Matthew Wilcox]

On Tue, Jan 25, 2005 at 05:04:21PM +0530, Amit Gud wrote:
> Unify the spinlock initialization as far as possible.
> 
> Do consider applying.

Actually, 'handler' and 'lock' are initialised for you (see
kernel/irq/handle.c) so I think those two lines can just be deleted.
'action' is also initialised to NULL implicitly, so that can go.
I think setting 'status' and 'depth' like that is also unnecessary.

> Signed-off-by: Amit Gud <gud@eth.net>
> 
> --- orig/arch/mips/kernel/irq.c	2005-01-20 20:06:12.000000000 +0530
> +++ linux-2.6.11-rc2/arch/mips/kernel/irq.c	2005-01-25 15:29:35.000000000 +0530
> @@ -125,7 +125,7 @@ void __init init_IRQ(void)
>  		irq_desc[i].action  = NULL;
>  		irq_desc[i].depth   = 1;
>  		irq_desc[i].handler = &no_irq_type;
> -		irq_desc[i].lock = SPIN_LOCK_UNLOCKED;
> +		spin_lock_init(&irq_desc[i].lock);
>  	}
>  
>  	arch_init_irq();
> 

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