From 789f9dabfe44c1f7056aa0a7c9a9205de4d5261f Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 13 Jul 2015 01:07:01 +0200
Subject: [PATCH] gpio/msm-v2: Avoid redundant lookup of irq_data
It's pretty silly to do
irq_data *d = irq_get_irq_data(irq_data->irq);
because that results in d = irq_data, but goes through a lookup of the
irq_data. Use irq_data directly.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Alexandre Courbot <gnurou@gmail.com>
Cc: Jiang Liu <jiang.liu@linux.intel.com>
Cc: linux-gpio@vger.kernel.org
---
drivers/gpio/gpio-msm-v2.c | 18 +++++-------------
1 file changed, 5 insertions(+), 13 deletions(-)
diff --git a/drivers/gpio/gpio-msm-v2.c b/drivers/gpio/gpio-msm-v2.c
index cbf383f7270d..1f0fb19209bf 100644
--- a/drivers/gpio/gpio-msm-v2.c
+++ b/drivers/gpio/gpio-msm-v2.c
@@ -187,14 +187,6 @@ static int msm_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
return irq_create_mapping(domain, offset);
}
-static inline int msm_irq_to_gpio(struct gpio_chip *chip, unsigned irq)
-{
- struct irq_data *irq_data = irq_get_irq_data(irq);
-
- return irq_data->hwirq;
-}
-
-
/* For dual-edge interrupts in software, since the hardware has no
* such support:
*
@@ -238,7 +230,7 @@ static void msm_gpio_update_dual_edge_pos(unsigned gpio)
static void msm_gpio_irq_ack(struct irq_data *d)
{
- int gpio = msm_irq_to_gpio(&msm_gpio.gpio_chip, d->irq);
+ int gpio = d->hwirq;
writel(BIT(INTR_STATUS), GPIO_INTR_STATUS(gpio));
if (test_bit(gpio, msm_gpio.dual_edge_irqs))
@@ -247,8 +239,8 @@ static void msm_gpio_irq_ack(struct irq_data *d)
static void msm_gpio_irq_mask(struct irq_data *d)
{
- int gpio = msm_irq_to_gpio(&msm_gpio.gpio_chip, d->irq);
unsigned long irq_flags;
+ int gpio = d->hwirq;
spin_lock_irqsave(&tlmm_lock, irq_flags);
writel(TARGET_PROC_NONE, GPIO_INTR_CFG_SU(gpio));
@@ -259,8 +251,8 @@ static void msm_gpio_irq_mask(struct irq_data *d)
static void msm_gpio_irq_unmask(struct irq_data *d)
{
- int gpio = msm_irq_to_gpio(&msm_gpio.gpio_chip, d->irq);
unsigned long irq_flags;
+ int gpio = d->hwirq;
spin_lock_irqsave(&tlmm_lock, irq_flags);
__set_bit(gpio, msm_gpio.enabled_irqs);
@@ -271,8 +263,8 @@ static void msm_gpio_irq_unmask(struct irq_data *d)
static int msm_gpio_irq_set_type(struct irq_data *d, unsigned int flow_type)
{
- int gpio = msm_irq_to_gpio(&msm_gpio.gpio_chip, d->irq);
unsigned long irq_flags;
+ int gpio = d->hwirq;
uint32_t bits;
spin_lock_irqsave(&tlmm_lock, irq_flags);
@@ -331,7 +323,7 @@ static void msm_summary_irq_handler(unsigned int irq, struct irq_desc *desc)
static int msm_gpio_irq_set_wake(struct irq_data *d, unsigned int on)
{
- int gpio = msm_irq_to_gpio(&msm_gpio.gpio_chip, d->irq);
+ int gpio = d->hwirq;
if (on) {
if (bitmap_empty(msm_gpio.wake_irqs, MAX_NR_GPIO))
--
2.34.1