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Commit 476f8b4c authored by Jiang Liu's avatar Jiang Liu Committed by Thomas Gleixner
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gpio: Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc 



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

Preparatory patch for the removal of the 'irq' argument from irq flow
handlers.

Signed-off-by: default avatarJiang Liu <jiang.liu@linux.intel.com>
Acked-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Cc: Alexandre Courbot <gnurou@gmail.com>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent c16edb8b

drivers/gpio/gpio-bcm-kona.c

+1 −1
Original line number Diff line number Diff line
@@ -438,7 +438,7 @@ 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);

drivers/gpio/gpio-dwapb.c

+1 −1
Original line number Diff line number Diff line
@@ -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);

drivers/gpio/gpio-mvebu.c

+1 −1
Original line number Diff line number Diff line
@@ -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;

drivers/gpio/gpio-mxc.c

+3 −3
Original line number Diff line number Diff line
@@ -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);

drivers/gpio/gpio-mxs.c

+1 −1
Original line number Diff line number Diff line
@@ -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);