linux-kernel - [PATCH v3 06/15] mfd: menelaus: Pass menelaus pointer as argument to enable/disable irq

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Message-ID: <1386606085-26838-6-git-send-email-balbi@ti.com>
Date:	Mon, 9 Dec 2013 10:21:16 -0600
From:	Felipe Balbi <balbi@...com>
To:	<lee.jones@...aro.org>
CC:	Tony Lindgren <tony@...mide.com>,
	Aaro Koskinen <aaro.koskinen@....fi>,
	Linux OMAP Mailing List <linux-omap@...r.kernel.org>,
	Linux ARM Kernel Mailing List 
	<linux-arm-kernel@...ts.infradead.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Felipe Balbi <balbi@...com>
Subject: [PATCH v3 06/15] mfd: menelaus: Pass menelaus pointer as argument to enable/disable irq

We want to, eventually, get rid of the global the_menelaus pointer, so
let's start passing menelaus as argument to some function calls and
slowly phase out the_menelaus global pointer.

Tested-by: Aaro Koskinen <aaro.koskinen@....fi>
Signed-off-by: Felipe Balbi <balbi@...com>
---
 drivers/mfd/menelaus.c | 48 ++++++++++++++++++++++++------------------------
 1 file changed, 24 insertions(+), 24 deletions(-)

diff --git a/drivers/mfd/menelaus.c b/drivers/mfd/menelaus.c
index 9ccbb79..4c51e4b 100644
--- a/drivers/mfd/menelaus.c
+++ b/drivers/mfd/menelaus.c
@@ -199,35 +199,35 @@ static int menelaus_read_reg(int reg)
 	return val;
 }
 
-static int menelaus_enable_irq(int irq)
+static int menelaus_enable_irq(struct menelaus_chip *m, int irq)
 {
 	if (irq > 7) {
 		irq -= 8;
-		the_menelaus->mask2 &= ~(1 << irq);
+		m->mask2 &= ~(1 << irq);
 		return menelaus_write_reg(MENELAUS_INT_MASK2,
-				the_menelaus->mask2);
+				m->mask2);
 	} else {
-		the_menelaus->mask1 &= ~(1 << irq);
+		m->mask1 &= ~(1 << irq);
 		return menelaus_write_reg(MENELAUS_INT_MASK1,
-				the_menelaus->mask1);
+				m->mask1);
 	}
 }
 
-static int menelaus_disable_irq(int irq)
+static int menelaus_disable_irq(struct menelaus_chip *m, int irq)
 {
 	if (irq > 7) {
 		irq -= 8;
-		the_menelaus->mask2 |= (1 << irq);
+		m->mask2 |= (1 << irq);
 		return menelaus_write_reg(MENELAUS_INT_MASK2,
-				the_menelaus->mask2);
+				m->mask2);
 	} else {
-		the_menelaus->mask1 |= (1 << irq);
+		m->mask1 |= (1 << irq);
 		return menelaus_write_reg(MENELAUS_INT_MASK1,
-				the_menelaus->mask1);
+				m->mask1);
 	}
 }
 
-static int menelaus_ack_irq(int irq)
+static int menelaus_ack_irq(struct menelaus_chip *m, int irq)
 {
 	if (irq > 7)
 		return menelaus_write_reg(MENELAUS_INT_ACK2, 1 << (irq - 8));
@@ -243,7 +243,7 @@ static int menelaus_add_irq_work(int irq,
 
 	mutex_lock(&the_menelaus->lock);
 	the_menelaus->handlers[irq] = handler;
-	ret = menelaus_enable_irq(irq);
+	ret = menelaus_enable_irq(the_menelaus, irq);
 	mutex_unlock(&the_menelaus->lock);
 
 	return ret;
@@ -255,7 +255,7 @@ static int menelaus_remove_irq_work(int irq)
 	int ret = 0;
 
 	mutex_lock(&the_menelaus->lock);
-	ret = menelaus_disable_irq(irq);
+	ret = menelaus_disable_irq(the_menelaus, irq);
 	the_menelaus->handlers[irq] = NULL;
 	mutex_unlock(&the_menelaus->lock);
 
@@ -793,25 +793,25 @@ out:
 
 static irqreturn_t menelaus_irq(int irq, void *_menelaus)
 {
-	struct menelaus_chip *menelaus = _menelaus;
-	void (*handler)(struct menelaus_chip *menelaus);
+	struct menelaus_chip *m = _menelaus;
+	void (*handler)(struct menelaus_chip *m);
 	unsigned long isr;
 	unsigned long i;
 
 	isr = (menelaus_read_reg(MENELAUS_INT_STATUS2)
-			& ~menelaus->mask2) << 8;
+			& ~m->mask2) << 8;
 	isr |= menelaus_read_reg(MENELAUS_INT_STATUS1)
-		& ~menelaus->mask1;
+		& ~m->mask1;
 
 	for_each_set_bit(i, &isr, 16) {
-		mutex_lock(&menelaus->lock);
-		menelaus_disable_irq(i);
-		menelaus_ack_irq(i);
-		handler = menelaus->handlers[i];
+		mutex_lock(&m->lock);
+		menelaus_disable_irq(m, i);
+		menelaus_ack_irq(m, i);
+		handler = m->handlers[i];
 		if (handler)
-			handler(menelaus);
-		menelaus_enable_irq(i);
-		mutex_unlock(&menelaus->lock);
+			handler(m);
+		menelaus_enable_irq(m, i);
+		mutex_unlock(&m->lock);
 	}
 
 	return IRQ_HANDLED;
-- 
1.8.4.GIT

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