linux-kernel - [PATCH 2/3] qe: run qe_init and qe_ic

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Date:	Fri, 10 Oct 2014 14:48:45 +0800
From:	Zhao Qiang <B45475@...escale.com>
To:	<linuxppc-dev@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>,
	<B07421@...escale.com>
CC:	<R63061@...escale.com>, Zhao Qiang <B45475@...escale.com>
Subject: [PATCH 2/3] qe: run qe_init and qe_ic_init

qe and qe_ic need to be initialized before the
qe app drivers, using subsys_initcall to run
qe_init and qe_ic_init

Signed-off-by: Zhao Qiang <B45475@...escale.com>
---
 drivers/soc/qe/qe.c    | 15 +++++++++++++++
 drivers/soc/qe/qe_ic.c | 15 +++++++++++++++
 2 files changed, 30 insertions(+)

diff --git a/drivers/soc/qe/qe.c b/drivers/soc/qe/qe.c
index 2aaa5b2..bfea0f8 100644
--- a/drivers/soc/qe/qe.c
+++ b/drivers/soc/qe/qe.c
@@ -683,6 +683,21 @@ unsigned int qe_get_num_of_snums(void)
 }
 EXPORT_SYMBOL(qe_get_num_of_snums);
 
+static int __init qe_init(void)
+{
+	struct device_node *np;
+
+	np = of_find_compatible_node(NULL, NULL, "fsl,qe");
+	if (!np) {
+		pr_err("%s: Could not find Quicc Engine node\n", __func__);
+		return -ENODEV;
+	}
+	qe_reset();
+	of_node_put(np);
+	return 0;
+}
+subsys_initcall(qe_init);
+
 #if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC_85xx)
 static int qe_resume(struct platform_device *ofdev)
 {
diff --git a/drivers/soc/qe/qe_ic.c b/drivers/soc/qe/qe_ic.c
index cc1b8d5..11fe98c 100644
--- a/drivers/soc/qe/qe_ic.c
+++ b/drivers/soc/qe/qe_ic.c
@@ -34,6 +34,7 @@
 #include <linux/fsl/qe_ic.h>
 
 #include "qe_ic.h"
+#include "../../irqchip/irqchip.h"
 
 static DEFINE_RAW_SPINLOCK(qe_ic_lock);
 
@@ -501,4 +502,18 @@ static int __init init_qe_ic_sysfs(void)
 	return 0;
 }
 
+static int __init qeic_of_init(void)
+{
+	struct device_node *np;
+
+	np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
+	if (np) {
+		qe_ic_init(np, 0, qe_ic_cascade_low_mpic,
+			   qe_ic_cascade_high_mpic);
+		of_node_put(np);
+	}
+	return 0;
+}
+subsys_initcall(qeic_of_init);
+
 subsys_initcall(init_qe_ic_sysfs);
-- 
2.1.0.27.g96db324

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