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From: Jiang Liu <jiang.liu@linux.intel.com>
To: "Thomas Gleixner" <tglx@linutronix.de>,
	"Bjorn Helgaas" <bhelgaas@google.com>,
	"Benjamin Herrenschmidt" <benh@kernel.crashing.org>,
	"Ingo Molnar" <mingo@redhat.com>,
	"H. Peter Anvin" <hpa@zytor.com>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	"Randy Dunlap" <rdunlap@infradead.org>,
	"Yinghai Lu" <yinghai@kernel.org>,
	"Borislav Petkov" <bp@alien8.de>, "Ray Jui" <rjui@broadcom.com>,
	"Linus Walleij" <linus.walleij@linaro.org>,
	"Alexandre Courbot" <gnurou@gmail.com>,
	"Javier Martinez Canillas" <javier@dowhile0.org>,
	"Santosh Shilimkar" <ssantosh@kernel.org>,
	"Kevin Hilman" <khilman@deeprootsystems.com>,
	"Stephen Warren" <swarren@wwwdotorg.org>,
	"Thierry Reding" <thierry.reding@gmail.com>,
	"Michal Simek" <michal.simek@xilinx.com>,
	"Sören Brinkmann" <soren.brinkmann@xilinx.com>
Cc: Jiang Liu <jiang.liu@linux.intel.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	Tony Luck <tony.luck@intel.com>,
	x86@kernel.org, linux-kernel@vger.kernel.org,
	linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org,
	bcm-kernel-feedback-list@broadcom.com,
	linux-gpio@vger.kernel.org, linux-omap@vger.kernel.org,
	linux-tegra@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: [RFC v1 05/25] gpio: Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc
Date: Wed, 20 May 2015 17:59:53 +0800	[thread overview]
Message-ID: <1432116013-25902-6-git-send-email-jiang.liu@linux.intel.com> (raw)
In-Reply-To: <1432116013-25902-1-git-send-email-jiang.liu@linux.intel.com>

Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc while we
already have a pointer to corresponding irq_desc.

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
---
 drivers/gpio/gpio-bcm-kona.c   |    2 +-
 drivers/gpio/gpio-dwapb.c      |    2 +-
 drivers/gpio/gpio-mvebu.c      |    2 +-
 drivers/gpio/gpio-mxc.c        |    6 +++---
 drivers/gpio/gpio-mxs.c        |    2 +-
 drivers/gpio/gpio-omap.c       |    2 +-
 drivers/gpio/gpio-tegra.c      |    4 +---
 drivers/gpio/gpio-timberdale.c |    2 +-
 drivers/gpio/gpio-vf610.c      |    2 +-
 drivers/gpio/gpio-zynq.c       |    2 +-
 10 files changed, 12 insertions(+), 14 deletions(-)

diff --git a/drivers/gpio/gpio-bcm-kona.c b/drivers/gpio/gpio-bcm-kona.c
index b164ce837b43..2e7a8c66fe57 100644
--- a/drivers/gpio/gpio-bcm-kona.c
+++ b/drivers/gpio/gpio-bcm-kona.c
@@ -432,7 +432,7 @@ static void bcm_kona_gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
 	void __iomem *reg_base;
 	int bit, bank_id;
 	unsigned long sta;
-	struct bcm_kona_gpio_bank *bank = irq_get_handler_data(irq);
+	struct bcm_kona_gpio_bank *bank = irq_desc_get_handler_data(desc);
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 
 	chained_irq_enter(chip, desc);
diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c
index 58faf04fce5d..649be07a845d 100644
--- a/drivers/gpio/gpio-dwapb.c
+++ b/drivers/gpio/gpio-dwapb.c
@@ -149,7 +149,7 @@ static u32 dwapb_do_irq(struct dwapb_gpio *gpio)
 
 static void dwapb_irq_handler(u32 irq, struct irq_desc *desc)
 {
-	struct dwapb_gpio *gpio = irq_get_handler_data(irq);
+	struct dwapb_gpio *gpio = irq_desc_get_handler_data(desc);
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 
 	dwapb_do_irq(gpio);
diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c
index 1a54205860f5..a8c302ef7bc4 100644
--- a/drivers/gpio/gpio-mvebu.c
+++ b/drivers/gpio/gpio-mvebu.c
@@ -460,7 +460,7 @@ static int mvebu_gpio_irq_set_type(struct irq_data *d, unsigned int type)
 
 static void mvebu_gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
 {
-	struct mvebu_gpio_chip *mvchip = irq_get_handler_data(irq);
+	struct mvebu_gpio_chip *mvchip = irq_desc_get_handler_data(desc);
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 	u32 cause, type;
 	int i;
diff --git a/drivers/gpio/gpio-mxc.c b/drivers/gpio/gpio-mxc.c
index 9f7446a7ac64..f10948c04f7c 100644
--- a/drivers/gpio/gpio-mxc.c
+++ b/drivers/gpio/gpio-mxc.c
@@ -275,8 +275,8 @@ static void mxc_gpio_irq_handler(struct mxc_gpio_port *port, u32 irq_stat)
 static void mx3_gpio_irq_handler(u32 irq, struct irq_desc *desc)
 {
 	u32 irq_stat;
-	struct mxc_gpio_port *port = irq_get_handler_data(irq);
-	struct irq_chip *chip = irq_get_chip(irq);
+	struct mxc_gpio_port *port = irq_desc_get_handler_data(desc);
+	struct irq_chip *chip = irq_desc_get_chip(desc);
 
 	chained_irq_enter(chip, desc);
 
@@ -292,7 +292,7 @@ static void mx2_gpio_irq_handler(u32 irq, struct irq_desc *desc)
 {
 	u32 irq_msk, irq_stat;
 	struct mxc_gpio_port *port;
-	struct irq_chip *chip = irq_get_chip(irq);
+	struct irq_chip *chip = irq_desc_get_chip(desc);
 
 	chained_irq_enter(chip, desc);
 
diff --git a/drivers/gpio/gpio-mxs.c b/drivers/gpio/gpio-mxs.c
index 84cbda6acdda..039c7d50e64f 100644
--- a/drivers/gpio/gpio-mxs.c
+++ b/drivers/gpio/gpio-mxs.c
@@ -157,7 +157,7 @@ static void mxs_flip_edge(struct mxs_gpio_port *port, u32 gpio)
 static void mxs_gpio_irq_handler(u32 irq, struct irq_desc *desc)
 {
 	u32 irq_stat;
-	struct mxs_gpio_port *port = irq_get_handler_data(irq);
+	struct mxs_gpio_port *port = irq_desc_get_handler_data(desc);
 
 	desc->irq_data.chip->irq_ack(&desc->irq_data);
 
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index b232397ad7ec..acbf3feff1e2 100644
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -719,7 +719,7 @@ static void omap_gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
 	struct gpio_bank *bank;
 	int unmasked = 0;
 	struct irq_chip *irqchip = irq_desc_get_chip(desc);
-	struct gpio_chip *chip = irq_get_handler_data(irq);
+	struct gpio_chip *chip = irq_desc_get_handler_data(desc);
 
 	chained_irq_enter(irqchip, desc);
 
diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c
index 1741981d53c8..89ed8a56eb0b 100644
--- a/drivers/gpio/gpio-tegra.c
+++ b/drivers/gpio/gpio-tegra.c
@@ -268,16 +268,14 @@ static void tegra_gpio_irq_shutdown(struct irq_data *d)
 
 static void tegra_gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
 {
-	struct tegra_gpio_bank *bank;
 	int port;
 	int pin;
 	int unmasked = 0;
 	struct irq_chip *chip = irq_desc_get_chip(desc);
+	struct tegra_gpio_bank *bank = irq_desc_get_handler_data(desc);
 
 	chained_irq_enter(chip, desc);
 
-	bank = irq_get_handler_data(irq);
-
 	for (port = 0; port < 4; port++) {
 		int gpio = tegra_gpio_compose(bank->bank, port, 0);
 		unsigned long sta = tegra_gpio_readl(GPIO_INT_STA(gpio)) &
diff --git a/drivers/gpio/gpio-timberdale.c b/drivers/gpio/gpio-timberdale.c
index e8f97e03c9bb..d4e8cb4f2e53 100644
--- a/drivers/gpio/gpio-timberdale.c
+++ b/drivers/gpio/gpio-timberdale.c
@@ -194,7 +194,7 @@ out:
 
 static void timbgpio_irq(unsigned int irq, struct irq_desc *desc)
 {
-	struct timbgpio *tgpio = irq_get_handler_data(irq);
+	struct timbgpio *tgpio = irq_desc_get_handler_data(desc);
 	unsigned long ipr;
 	int offset;
 
diff --git a/drivers/gpio/gpio-vf610.c b/drivers/gpio/gpio-vf610.c
index 7bd9f209ffa8..fa344388f4da 100644
--- a/drivers/gpio/gpio-vf610.c
+++ b/drivers/gpio/gpio-vf610.c
@@ -120,7 +120,7 @@ static int vf610_gpio_direction_output(struct gpio_chip *chip, unsigned gpio,
 
 static void vf610_gpio_irq_handler(u32 irq, struct irq_desc *desc)
 {
-	struct vf610_gpio_port *port = irq_get_handler_data(irq);
+	struct vf610_gpio_port *port = irq_desc_get_handler_data(desc);
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 	int pin;
 	unsigned long irq_isfr;
diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c
index aea6075e5b2e..70e3a568b1cb 100644
--- a/drivers/gpio/gpio-zynq.c
+++ b/drivers/gpio/gpio-zynq.c
@@ -499,7 +499,7 @@ static void zynq_gpio_irqhandler(unsigned int irq, struct irq_desc *desc)
 {
 	u32 int_sts, int_enb;
 	unsigned int bank_num;
-	struct zynq_gpio *gpio = irq_get_handler_data(irq);
+	struct zynq_gpio *gpio = irq_desc_get_handler_data(desc);
 	struct irq_chip *irqchip = irq_desc_get_chip(desc);
 
 	chained_irq_enter(irqchip, desc);
-- 
1.7.10.4


  parent reply	other threads:[~2015-05-20  9:59 UTC|newest]

Thread overview: 70+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-20  9:59 [RFC v1 00/25] Optimize irq flow handler Jiang Liu
2015-05-20  9:59 ` [RFC v1 01/25] ARM, irq: Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc Jiang Liu
2015-05-20 19:35   ` Russell King - ARM Linux
2015-05-20  9:59 ` [RFC v1 02/25] avr32, " Jiang Liu
2015-05-20 10:15   ` Hans-Christian Egtvedt
2015-05-20  9:59 ` [RFC v1 03/25] MIPS, " Jiang Liu
2015-05-20  9:59 ` [RFC v1 04/25] powerpc, " Jiang Liu
2015-06-02  9:58   ` [RFC, v1, " Michael Ellerman
2015-05-20  9:59 ` Jiang Liu [this message]
2015-06-01 12:45   ` [RFC v1 05/25] gpio: " Linus Walleij
2015-06-01 13:48     ` Jiang Liu
2015-05-20  9:59 ` [RFC v1 06/25] pinctrl: " Jiang Liu
2015-05-20  9:59 ` [RFC v1 07/25] irqchip: " Jiang Liu
2015-05-20  9:59 ` [RFC v1 08/25] mfd: " Jiang Liu
2015-05-20 10:44   ` Lee Jones
2015-05-20  9:59 ` [RFC v1 09/25] ipu: " Jiang Liu
2015-05-20  9:59 ` [RFC v1 10/25] sh: intc: " Jiang Liu
2015-05-20 15:12   ` Thomas Gleixner
2015-05-20 15:24     ` Jiang Liu
2015-05-20  9:59 ` [RFC v1 11/25] keystone, irq: Use irq_data_get_xxx() to avoid redundant lookup of irq_data Jiang Liu
2015-05-20 10:00 ` [RFC v1 12/25] spmi: Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc Jiang Liu
2015-05-20 10:00 ` [RFC v1 13/25] genirq: Kill the parameter 'irq' of kstat_incr_irqs_this_cpu() Jiang Liu
2015-05-20 15:23   ` Thomas Gleixner
2015-05-20 10:00 ` [RFC v1 14/25] genirq: Kill the first parameter 'irq' of irq_flow_handler_t Jiang Liu
2015-05-20 15:25   ` Thomas Gleixner
2015-05-20 15:28     ` Jiang Liu
2015-05-20 18:35       ` Thomas Gleixner
2015-05-20 20:00         ` Julia Lawall
2015-05-20 20:12           ` Thomas Gleixner
2015-05-20 20:15             ` Julia Lawall
2015-05-20 20:22               ` Thomas Gleixner
2015-06-12 20:29                 ` Julia Lawall
2015-06-12 20:35                   ` Thomas Gleixner
2015-06-12 22:16                     ` Julia Lawall
2015-06-13  8:27         ` Julia Lawall
2015-06-13  9:00         ` Julia Lawall
2015-06-13  9:32           ` Thomas Gleixner
2015-06-13 14:04             ` Julia Lawall
2015-06-13 14:53               ` Julia Lawall
2015-06-13 16:49                 ` Jiang Liu
2015-06-13 20:15                   ` Julia Lawall
2015-06-13 20:32                     ` Thomas Gleixner
2015-06-13 20:42                       ` Julia Lawall
2015-06-24 21:10                         ` Thomas Gleixner
2015-06-24 21:44                           ` Julia Lawall
2015-06-13 21:42                       ` Julia Lawall
2015-05-20 18:36       ` Thomas Gleixner
2015-05-20 10:00 ` [RFC v1 15/25] " Jiang Liu
2015-05-20 15:28   ` Thomas Gleixner
2015-05-20 15:32     ` Jiang Liu
2015-05-20 15:48       ` Thomas Gleixner
2015-05-20 15:38   ` Hans Ulli Kroll
2015-05-20 18:54   ` Robert Jarzmik
2015-05-20 10:00 ` [RFC v1 16/25] " Jiang Liu
2015-05-20 10:00 ` [RFC v1 17/25] " Jiang Liu
2015-05-20 10:00 ` [RFC v1 18/25] " Jiang Liu
2015-05-20 10:00 ` [RFC v1 19/25] " Jiang Liu
2015-05-20 10:00 ` [RFC v1 20/25] " Jiang Liu
2015-05-20 10:16   ` Hans-Christian Egtvedt
2015-05-20 10:00 ` [RFC v1 21/25] " Jiang Liu
2015-05-20 10:00 ` [RFC v1 22/25] " Jiang Liu
2015-05-20 10:00 ` [RFC v1 23/25] " Jiang Liu
2015-05-20 10:00 ` [RFC v1 24/25] " Jiang Liu
2015-05-20 10:43   ` Lee Jones
2015-05-20 10:00 ` [RFC v1 25/25] " Jiang Liu
2015-05-20 15:40   ` Thomas Gleixner
2015-05-20 15:49     ` Jiang Liu
2015-05-20 18:43       ` Thomas Gleixner
2015-05-20 10:16 ` [RFC v1 00/25] Optimize irq flow handler Ingo Molnar
2015-05-20 10:23   ` Jiang Liu

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