linux-sh.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [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
  0 siblings, 0 replies; only message in thread
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


^ permalink raw reply related	[flat|nested] only message in thread

only message in thread, other threads:[~2014-04-06  5:39 UTC | newest]

Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
     [not found] <1396762766-4942-1-git-send-email-yinghai@kernel.org>
2014-04-06  5:39 ` [RFC PATCH 2/5] sh: Remove irq_reserve_irq calling Yinghai Lu

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).