linux-kernel - [PATCH 3/3] irqchip: atmel-aic: Define irq fixups for atmel SoCs

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Date:	Thu, 10 Jul 2014 20:25:41 +0200
From:	Boris BREZILLON <boris.brezillon@...e-electrons.com>
To:	Nicolas Ferre <nicolas.ferre@...el.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	Andrew Victor <linux@...im.org.za>,
	Thomas Gleixner <tglx@...utronix.de>,
	Jason Cooper <jason@...edaemon.net>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Boris BREZILLON <boris.brezillon@...e-electrons.com>
Subject: [PATCH 3/3] irqchip: atmel-aic: Define irq fixups for atmel SoCs

Define SoCs that need irq fixups before enabling the AIC irqchip.

At the moment we're only fixing irq generated by the RTC block, but other
fixups will be added later on.

Signed-off-by: Boris BREZILLON <boris.brezillon@...e-electrons.com>
---
 drivers/irqchip/irq-atmel-aic.c  | 15 +++++++++++++++
 drivers/irqchip/irq-atmel-aic5.c | 12 ++++++++++++
 2 files changed, 27 insertions(+)

diff --git a/drivers/irqchip/irq-atmel-aic.c b/drivers/irqchip/irq-atmel-aic.c
index b15b566..a82869e 100644
--- a/drivers/irqchip/irq-atmel-aic.c
+++ b/drivers/irqchip/irq-atmel-aic.c
@@ -211,6 +211,19 @@ static const struct irq_domain_ops aic_irq_ops = {
 	.xlate	= aic_irq_domain_xlate,
 };
 
+static void __init at91sam9_aic_irq_fixup(struct device_node *root)
+{
+	aic_common_rtc_irq_fixup(root);
+}
+
+static const struct of_device_id __initdata aic_irq_fixups[] = {
+	{ .compatible = "atmel,at91sam9g45", .data = at91sam9_aic_irq_fixup },
+	{ .compatible = "atmel,at91sam9n12", .data = at91sam9_aic_irq_fixup },
+	{ .compatible = "atmel,at91sam9rl", .data = at91sam9_aic_irq_fixup },
+	{ .compatible = "atmel,at91sam9x5", .data = at91sam9_aic_irq_fixup },
+	{ /* sentinel */ },
+};
+
 static int __init aic_of_init(struct device_node *node,
 			      struct device_node *parent)
 {
@@ -225,6 +238,8 @@ static int __init aic_of_init(struct device_node *node,
 	if (IS_ERR(domain))
 		return PTR_ERR(domain);
 
+	aic_common_irq_fixup(aic_irq_fixups);
+
 	aic_domain = domain;
 	gc = irq_get_domain_generic_chip(domain, 0);
 
diff --git a/drivers/irqchip/irq-atmel-aic5.c b/drivers/irqchip/irq-atmel-aic5.c
index c9c753a..edb2270 100644
--- a/drivers/irqchip/irq-atmel-aic5.c
+++ b/drivers/irqchip/irq-atmel-aic5.c
@@ -290,6 +290,16 @@ static const struct irq_domain_ops aic5_irq_ops = {
 	.xlate	= aic5_irq_domain_xlate,
 };
 
+static void __init sama5d3_aic_irq_fixup(struct device_node *root)
+{
+	aic_common_rtc_irq_fixup(root);
+}
+
+static const struct of_device_id __initdata aic5_irq_fixups[] = {
+	{ .compatible = "atmel,sama5d3", .data = sama5d3_aic_irq_fixup },
+	{ /* sentinel */ },
+};
+
 static int __init aic5_of_init(struct device_node *node,
 			       struct device_node *parent,
 			       int nirqs)
@@ -310,6 +320,8 @@ static int __init aic5_of_init(struct device_node *node,
 	if (IS_ERR(domain))
 		return PTR_ERR(domain);
 
+	aic_common_irq_fixup(aic5_irq_fixups);
+
 	aic5_domain = domain;
 	nchips = aic5_domain->revmap_size / 32;
 	for (i = 0; i < nchips; i++) {
-- 
1.8.3.2

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