Re: [PATCH 2/8] sh, irq: Remove irq_reserve_irq calling

From: Simon Horman
Date: Thu May 01 2014 - 22:38:56 EST


On Thu, May 01, 2014 at 04:18:16PM -0700, Yinghai Lu wrote:
> in sh calling path:
> register_intc_controller
> ==> irq_create_identity_mapping/irq_create_strict_mappins
> ==>irq_alloc_desc: it will set bits on allocate_irq
> ==> intc_register_irq
> ==> irq_reserve_irq: set bits again
>
> so we can kill this irq_reserve_irq calling.

Thanks, this looks fine to me.

As the file in question has not been updated in well over a year
and I'm not aware of any other outstanding updates to it I think
that the chance of conflicts is low. With that in mind I'm happy
for whoever takes the reset of this series to take this patch too.

Acked-by: Simon Horman <horms+renesas@xxxxxxxxxxxx>

> Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
> Cc: Simon Horman <horms@xxxxxxxxxxxx>
> Cc: Magnus Damm <magnus.damm@xxxxxxxxx>
> Cc: linux-sh@xxxxxxxxxxxxxxx
> ---
> drivers/sh/intc/core.c | 5 +----
> 1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/drivers/sh/intc/core.c b/drivers/sh/intc/core.c
> index 8f32a13..05118f92 100644
> --- a/drivers/sh/intc/core.c
> +++ b/drivers/sh/intc/core.c
> @@ -81,11 +81,8 @@ static void __init intc_register_irq(struct intc_desc *desc,
> unsigned long flags;
>
> /*
> - * Register the IRQ position with the global IRQ map, then insert
> - * it in to the radix tree.
> + * insert it in to the radix tree.
> */
> - irq_reserve_irq(irq);
> -
> raw_spin_lock_irqsave(&intc_big_lock, flags);
> radix_tree_insert(&d->tree, enum_id, intc_irq_xlate_get(irq));
> raw_spin_unlock_irqrestore(&intc_big_lock, flags);
> --
> 1.8.4.5
>
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