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Date:	Tue, 22 Sep 2015 07:09:50 -0700
From:	tip-bot for Ludovic Desroches <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	jason@...edaemon.net, ludovic.desroches@...el.com, hpa@...or.com,
	linux-arm-kernel@...ts.infradead.org, mingo@...nel.org,
	marc.zyngier@....com, nicolas.ferre@...el.com, tglx@...utronix.de,
	alexandre.belloni@...e-electrons.com, Wenyou.Yang@...el.com,
	boris.brezillon@...e-electrons.com, sasha.levin@...cle.com,
	linux-kernel@...r.kernel.org
Subject: [tip:irq/core] irqchip/atmel-aic5: Simplify base chip selection

Commit-ID:  b55a3bb8650ddb096624175c55176d7fdbcad4ae
Gitweb:     http://git.kernel.org/tip/b55a3bb8650ddb096624175c55176d7fdbcad4ae
Author:     Ludovic Desroches <ludovic.desroches@...el.com>
AuthorDate: Mon, 21 Sep 2015 15:46:06 +0200
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Tue, 22 Sep 2015 16:04:43 +0200

irqchip/atmel-aic5: Simplify base chip selection

Use irq_get_domain_generic_chip() to select the base chip.

Signed-off-by: Ludovic Desroches <ludovic.desroches@...el.com>
Acked-by: Nicholas Ferre <nicolas.ferre@...el.com>
Acked-by: Boris Brezillon <boris.brezillon@...e-electrons.com>
Cc: <sasha.levin@...cle.com>
Cc: <linux-arm-kernel@...ts.infradead.org>
Cc: <alexandre.belloni@...e-electrons.com>
Cc: <Wenyou.Yang@...el.com>
Cc: <jason@...edaemon.net>
Cc: <marc.zyngier@....com>
Link: http://lkml.kernel.org/r/1442843173-2390-3-git-send-email-ludovic.desroches@atmel.com
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
 drivers/irqchip/irq-atmel-aic5.c | 28 ++++++++++------------------
 1 file changed, 10 insertions(+), 18 deletions(-)

diff --git a/drivers/irqchip/irq-atmel-aic5.c b/drivers/irqchip/irq-atmel-aic5.c
index ae2fcf9..62bb840 100644
--- a/drivers/irqchip/irq-atmel-aic5.c
+++ b/drivers/irqchip/irq-atmel-aic5.c
@@ -70,8 +70,7 @@ static struct irq_domain *aic5_domain;
 static asmlinkage void __exception_irq_entry
 aic5_handle(struct pt_regs *regs)
 {
-	struct irq_domain_chip_generic *dgc = aic5_domain->gc;
-	struct irq_chip_generic *bgc = dgc->gc[0];
+	struct irq_chip_generic *bgc = irq_get_domain_generic_chip(aic5_domain, 0);
 	u32 irqnr;
 	u32 irqstat;
 
@@ -87,8 +86,7 @@ aic5_handle(struct pt_regs *regs)
 static void aic5_mask(struct irq_data *d)
 {
 	struct irq_domain *domain = d->domain;
-	struct irq_domain_chip_generic *dgc = domain->gc;
-	struct irq_chip_generic *bgc = dgc->gc[0];
+	struct irq_chip_generic *bgc = irq_get_domain_generic_chip(domain, 0);
 	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
 
 	/*
@@ -105,8 +103,7 @@ static void aic5_mask(struct irq_data *d)
 static void aic5_unmask(struct irq_data *d)
 {
 	struct irq_domain *domain = d->domain;
-	struct irq_domain_chip_generic *dgc = domain->gc;
-	struct irq_chip_generic *bgc = dgc->gc[0];
+	struct irq_chip_generic *bgc = irq_get_domain_generic_chip(domain, 0);
 	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
 
 	/*
@@ -123,8 +120,7 @@ static void aic5_unmask(struct irq_data *d)
 static int aic5_retrigger(struct irq_data *d)
 {
 	struct irq_domain *domain = d->domain;
-	struct irq_domain_chip_generic *dgc = domain->gc;
-	struct irq_chip_generic *bgc = dgc->gc[0];
+	struct irq_chip_generic *bgc = irq_get_domain_generic_chip(domain, 0);
 
 	/* Enable interrupt on AIC5 */
 	irq_gc_lock(bgc);
@@ -138,8 +134,7 @@ static int aic5_retrigger(struct irq_data *d)
 static int aic5_set_type(struct irq_data *d, unsigned type)
 {
 	struct irq_domain *domain = d->domain;
-	struct irq_domain_chip_generic *dgc = domain->gc;
-	struct irq_chip_generic *bgc = dgc->gc[0];
+	struct irq_chip_generic *bgc = irq_get_domain_generic_chip(domain, 0);
 	unsigned int smr;
 	int ret;
 
@@ -159,7 +154,7 @@ static void aic5_suspend(struct irq_data *d)
 {
 	struct irq_domain *domain = d->domain;
 	struct irq_domain_chip_generic *dgc = domain->gc;
-	struct irq_chip_generic *bgc = dgc->gc[0];
+	struct irq_chip_generic *bgc = irq_get_domain_generic_chip(domain, 0);
 	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
 	int i;
 	u32 mask;
@@ -183,7 +178,7 @@ static void aic5_resume(struct irq_data *d)
 {
 	struct irq_domain *domain = d->domain;
 	struct irq_domain_chip_generic *dgc = domain->gc;
-	struct irq_chip_generic *bgc = dgc->gc[0];
+	struct irq_chip_generic *bgc = irq_get_domain_generic_chip(domain, 0);
 	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
 	int i;
 	u32 mask;
@@ -207,7 +202,7 @@ static void aic5_pm_shutdown(struct irq_data *d)
 {
 	struct irq_domain *domain = d->domain;
 	struct irq_domain_chip_generic *dgc = domain->gc;
-	struct irq_chip_generic *bgc = dgc->gc[0];
+	struct irq_chip_generic *bgc = irq_get_domain_generic_chip(domain, 0);
 	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
 	int i;
 
@@ -262,12 +257,11 @@ static int aic5_irq_domain_xlate(struct irq_domain *d,
 				 irq_hw_number_t *out_hwirq,
 				 unsigned int *out_type)
 {
-	struct irq_domain_chip_generic *dgc = d->gc;
-	struct irq_chip_generic *bgc;
+	struct irq_chip_generic *bgc = irq_get_domain_generic_chip(d, 0);
 	unsigned smr;
 	int ret;
 
-	if (!dgc)
+	if (!bgc)
 		return -EINVAL;
 
 	ret = aic_common_irq_domain_xlate(d, ctrlr, intspec, intsize,
@@ -275,8 +269,6 @@ static int aic5_irq_domain_xlate(struct irq_domain *d,
 	if (ret)
 		return ret;
 
-	bgc = dgc->gc[0];
-
 	irq_gc_lock(bgc);
 	irq_reg_writel(bgc, *out_hwirq, AT91_AIC5_SSR);
 	smr = irq_reg_readl(bgc, AT91_AIC5_SMR);
--
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