* [RFC PATCH 2/5] sh: Remove irq_reserve_irq calling
[not found] <1396762766-4942-1-git-send-email-yinghai@kernel.org>
@ 2014-04-06 5:39 ` Yinghai Lu
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From: Yinghai Lu @ 2014-04-06 5:39 UTC (permalink / raw)
To: Thomas Gleixner, Ingo Molnar, H. Peter Anvin, Tony Luck
Cc: linux-kernel, Yinghai Lu, Simon Horman, Magnus Damm, linux-sh
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.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Simon Horman <horms@verge.net.au>
Cc: Magnus Damm <magnus.damm@gmail.com>
Cc: linux-sh@vger.kernel.org
---
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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