linux-kernel - [tip:irq/core] sh/irq: Use irq accessor functions instead of open coded access

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Message-ID: <tip-d1357bc730a5873aa6593883fe7eb4b94abb082e@git.kernel.org>
Date:	Mon, 27 Jul 2015 08:59:40 -0700
From:	tip-bot for Jiang Liu <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	tglx@...utronix.de, magnus.damm@...il.com, mingo@...nel.org,
	hpa@...or.com, linux-kernel@...r.kernel.org,
	jiang.liu@...ux.intel.com, horms@...ge.net.au
Subject: [tip:irq/core] sh/irq:
  Use irq accessor functions instead of open coded access

Commit-ID:  d1357bc730a5873aa6593883fe7eb4b94abb082e
Gitweb:     http://git.kernel.org/tip/d1357bc730a5873aa6593883fe7eb4b94abb082e
Author:     Jiang Liu <jiang.liu@...ux.intel.com>
AuthorDate: Mon, 13 Jul 2015 20:51:22 +0000
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Mon, 27 Jul 2015 13:36:38 +0200

sh/irq: Use irq accessor functions instead of open coded access

This is a preparatory patch for refactoring the internals if irq_data.

Signed-off-by: Jiang Liu <jiang.liu@...ux.intel.com>
Cc: Simon Horman <horms@...ge.net.au>
Cc: Magnus Damm <magnus.damm@...il.com>
Link: http://lkml.kernel.org/r/20150713151626.616384365@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
 drivers/sh/intc/virq.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/sh/intc/virq.c b/drivers/sh/intc/virq.c
index f5f1b82..0f73530 100644
--- a/drivers/sh/intc/virq.c
+++ b/drivers/sh/intc/virq.c
@@ -83,12 +83,11 @@ EXPORT_SYMBOL_GPL(intc_irq_lookup);
 
 static int add_virq_to_pirq(unsigned int irq, unsigned int virq)
 {
-	struct intc_virq_list **last, *entry;
-	struct irq_data *data = irq_get_irq_data(irq);
+	struct intc_virq_list *entry;
+	struct intc_virq_list **last = NULL;
 
 	/* scan for duplicates */
-	last = (struct intc_virq_list **)&data->handler_data;
-	for_each_virq(entry, data->handler_data) {
+	for_each_virq(entry, irq_get_handler_data(irq)) {
 		if (entry->irq == virq)
 			return 0;
 		last = &entry->next;
@@ -102,7 +101,10 @@ static int add_virq_to_pirq(unsigned int irq, unsigned int virq)
 
 	entry->irq = virq;
 
-	*last = entry;
+	if (last)
+		*last = entry;
+	else
+		irq_set_handler_data(irq, entry);
 
 	return 0;
 }
--
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