From 05379818e489bd9fec892f79f202b2ff41fd6ff8 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner <tglx@linutronix.de> Date: Sun, 21 Jun 2015 21:10:46 +0200 Subject: [PATCH 01/20] gpio/mpc8xxx: Consolidate chained IRQ handler install/remove Chained irq handlers usually set up handler data as well. We now have a function to set both under irq_desc->lock. Replace the two calls with one. Search and conversion was done with coccinelle: Reported-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Julia Lawall <Julia.Lawall@lip6.fr> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Alexandre Courbot <gnurou@gmail.com> Cc: linux-gpio@vger.kernel.org --- drivers/gpio/gpio-mpc8xxx.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/gpio/gpio-mpc8xxx.c b/drivers/gpio/gpio-mpc8xxx.c index 20aa66f34f6e0..da8e89205f371 100644 --- a/drivers/gpio/gpio-mpc8xxx.c +++ b/drivers/gpio/gpio-mpc8xxx.c @@ -396,8 +396,8 @@ static int mpc8xxx_probe(struct platform_device *pdev) out_be32(mm_gc->regs + GPIO_IER, 0xffffffff); out_be32(mm_gc->regs + GPIO_IMR, 0); - irq_set_handler_data(mpc8xxx_gc->irqn, mpc8xxx_gc); - irq_set_chained_handler(mpc8xxx_gc->irqn, mpc8xxx_gpio_irq_cascade); + irq_set_chained_handler_and_data(mpc8xxx_gc->irqn, + mpc8xxx_gpio_irq_cascade, mpc8xxx_gc); return 0; } @@ -407,8 +407,7 @@ static int mpc8xxx_remove(struct platform_device *pdev) struct mpc8xxx_gpio_chip *mpc8xxx_gc = platform_get_drvdata(pdev); if (mpc8xxx_gc->irq) { - irq_set_handler_data(mpc8xxx_gc->irqn, NULL); - irq_set_chained_handler(mpc8xxx_gc->irqn, NULL); + irq_set_chained_handler_and_data(mpc8xxx_gc->irqn, NULL, NULL); irq_domain_remove(mpc8xxx_gc->irq); } From d68cd06ce40d7227598912bb1a0c75980d2b5a4b Mon Sep 17 00:00:00 2001 From: Thomas Gleixner <tglx@linutronix.de> Date: Sun, 21 Jun 2015 21:10:47 +0200 Subject: [PATCH 02/20] gpio/mvebu: Consolidate chained IRQ handler install/remove Chained irq handlers usually set up handler data as well. We now have a function to set both under irq_desc->lock. Replace the two calls with one. Search and conversion was done with coccinelle: Reported-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Julia Lawall <Julia.Lawall@lip6.fr> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Alexandre Courbot <gnurou@gmail.com> Cc: linux-gpio@vger.kernel.org --- drivers/gpio/gpio-mvebu.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c index 1a54205860f59..ab660e44a6721 100644 --- a/drivers/gpio/gpio-mvebu.c +++ b/drivers/gpio/gpio-mvebu.c @@ -787,8 +787,8 @@ static int mvebu_gpio_probe(struct platform_device *pdev) if (irq < 0) continue; - irq_set_handler_data(irq, mvchip); - irq_set_chained_handler(irq, mvebu_gpio_irq_handler); + irq_set_chained_handler_and_data(irq, mvebu_gpio_irq_handler, + mvchip); } mvchip->irqbase = irq_alloc_descs(-1, 0, ngpios, -1); From 8a52211ad8d8c97fede3707c938126002e11ec79 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner <tglx@linutronix.de> Date: Sun, 21 Jun 2015 21:10:47 +0200 Subject: [PATCH 03/20] gpio/timberdale: Consolidate chained IRQ handler install/remove Chained irq handlers usually set up handler data as well. We now have a function to set both under irq_desc->lock. Replace the two calls with one. Search and conversion was done with coccinelle: Reported-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Julia Lawall <Julia.Lawall@lip6.fr> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Alexandre Courbot <gnurou@gmail.com> Cc: linux-gpio@vger.kernel.org --- drivers/gpio/gpio-timberdale.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/gpio/gpio-timberdale.c b/drivers/gpio/gpio-timberdale.c index e8f97e03c9bb6..fd1970ed15e61 100644 --- a/drivers/gpio/gpio-timberdale.c +++ b/drivers/gpio/gpio-timberdale.c @@ -299,8 +299,7 @@ static int timbgpio_probe(struct platform_device *pdev) #endif } - irq_set_handler_data(irq, tgpio); - irq_set_chained_handler(irq, timbgpio_irq); + irq_set_chained_handler_and_data(irq, timbgpio_irq, tgpio); return 0; } From 77c77e3f074f576a39534bb9b10b6f1b4d91a8db Mon Sep 17 00:00:00 2001 From: Thomas Gleixner <tglx@linutronix.de> Date: Sun, 21 Jun 2015 21:10:48 +0200 Subject: [PATCH 04/20] gpio/tz1090: Consolidate chained IRQ handler install/remove Chained irq handlers usually set up handler data as well. We now have a function to set both under irq_desc->lock. Replace the two calls with one. Search and conversion was done with coccinelle: Reported-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Julia Lawall <Julia.Lawall@lip6.fr> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Alexandre Courbot <gnurou@gmail.com> Cc: linux-gpio@vger.kernel.org --- drivers/gpio/gpio-tz1090.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpio/gpio-tz1090.c b/drivers/gpio/gpio-tz1090.c index 445660adc8989..bbac92ae4c328 100644 --- a/drivers/gpio/gpio-tz1090.c +++ b/drivers/gpio/gpio-tz1090.c @@ -510,8 +510,8 @@ static int tz1090_gpio_bank_probe(struct tz1090_gpio_bank_info *info) gc->chip_types[1].chip.flags = IRQCHIP_MASK_ON_SUSPEND; /* Setup chained handler for this GPIO bank */ - irq_set_handler_data(bank->irq, bank); - irq_set_chained_handler(bank->irq, tz1090_gpio_irq_handler); + irq_set_chained_handler_and_data(bank->irq, tz1090_gpio_irq_handler, + bank); return 0; } From f7f877533c11029e4b4caf8aae9968c5fd561625 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner <tglx@linutronix.de> Date: Sun, 21 Jun 2015 21:10:48 +0200 Subject: [PATCH 05/20] gpiolib: Consolidate chained IRQ handler install/remove Chained irq handlers usually set up handler data as well. We now have a function to set both under irq_desc->lock. Replace the two calls with one. Search and conversion was done with coccinelle: Reported-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Julia Lawall <Julia.Lawall@lip6.fr> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Alexandre Courbot <gnurou@gmail.com> Cc: linux-gpio@vger.kernel.org --- drivers/gpio/gpiolib.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index bf4bd1d120c38..78a738bca53fa 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -443,8 +443,8 @@ void gpiochip_set_chained_irqchip(struct gpio_chip *gpiochip, * The parent irqchip is already using the chip_data for this * irqchip, so our callbacks simply use the handler_data. */ - irq_set_handler_data(parent_irq, gpiochip); - irq_set_chained_handler(parent_irq, parent_handler); + irq_set_chained_handler_and_data(parent_irq, parent_handler, + gpiochip); gpiochip->irq_parent = parent_irq; } From 47c08462921f17de890c2574b2893ecae44cfd76 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner <tglx@linutronix.de> Date: Tue, 23 Jun 2015 14:37:42 +0200 Subject: [PATCH 06/20] gpio/zynq: Use irq_set_chip_handler_name_locked() Hand in irq_data and avoid the redundant lookup of irq_desc. Originally-from: Jiang Liu <jiang.liu@linux.intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> --- drivers/gpio/gpio-zynq.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c index 2e87c4b8da26d..53b297473724a 100644 --- a/drivers/gpio/gpio-zynq.c +++ b/drivers/gpio/gpio-zynq.c @@ -441,10 +441,10 @@ static int zynq_gpio_set_irq_type(struct irq_data *irq_data, unsigned int type) gpio->base_addr + ZYNQ_GPIO_INTANY_OFFSET(bank_num)); if (type & IRQ_TYPE_LEVEL_MASK) { - __irq_set_chip_handler_name_locked(irq_data->irq, + irq_set_chip_handler_name_locked(irq_data, &zynq_gpio_level_irqchip, handle_fasteoi_irq, NULL); } else { - __irq_set_chip_handler_name_locked(irq_data->irq, + irq_set_chip_handler_name_locked(irq_data, &zynq_gpio_edge_irqchip, handle_level_irq, NULL); } From 72b2a9ef9c5fffe274cca0be63a4f3998fa0b641 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner <tglx@linutronix.de> Date: Tue, 23 Jun 2015 15:52:38 +0200 Subject: [PATCH 07/20] gpio/ep93xx: Use irq_set_handler_locked() Use irq_set_handler_locked() as it avoids a redundant lookup of the irq descriptor. Search and replacement was done with coccinelle: @@ struct irq_data *d; expression E1; @@ -__irq_set_handler_locked(d->irq, E1); +irq_set_handler_locked(d, E1); Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Jiang Liu <jiang.liu@linux.intel.com> Cc: Julia Lawall <julia.lawall@lip6.fr> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Alexandre Courbot <gnurou@gmail.com> Cc: linux-gpio@vger.kernel.org --- drivers/gpio/gpio-ep93xx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpio/gpio-ep93xx.c b/drivers/gpio/gpio-ep93xx.c index 45684f36ddb15..8664cf041b1f6 100644 --- a/drivers/gpio/gpio-ep93xx.c +++ b/drivers/gpio/gpio-ep93xx.c @@ -208,7 +208,7 @@ static int ep93xx_gpio_irq_type(struct irq_data *d, unsigned int type) return -EINVAL; } - __irq_set_handler_locked(d->irq, handler); + irq_set_handler_locked(d, handler); gpio_int_enabled[port] |= port_mask; From b11b7af97883da01082e318abac51cec7162a347 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner <tglx@linutronix.de> Date: Tue, 23 Jun 2015 15:52:38 +0200 Subject: [PATCH 08/20] gpio/msm-v2: Use irq_set_handler_locked() Use irq_set_handler_locked() as it avoids a redundant lookup of the irq descriptor. Search and replacement was done with coccinelle: Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Jiang Liu <jiang.liu@linux.intel.com> Cc: Julia Lawall <julia.lawall@lip6.fr> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Alexandre Courbot <gnurou@gmail.com> Cc: linux-gpio@vger.kernel.org --- drivers/gpio/gpio-msm-v2.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpio/gpio-msm-v2.c b/drivers/gpio/gpio-msm-v2.c index 52ff18229fdc8..cbf383f7270d7 100644 --- a/drivers/gpio/gpio-msm-v2.c +++ b/drivers/gpio/gpio-msm-v2.c @@ -281,14 +281,14 @@ static int msm_gpio_irq_set_type(struct irq_data *d, unsigned int flow_type) if (flow_type & IRQ_TYPE_EDGE_BOTH) { bits |= BIT(INTR_DECT_CTL); - __irq_set_handler_locked(d->irq, handle_edge_irq); + irq_set_handler_locked(d, handle_edge_irq); if ((flow_type & IRQ_TYPE_EDGE_BOTH) == IRQ_TYPE_EDGE_BOTH) __set_bit(gpio, msm_gpio.dual_edge_irqs); else __clear_bit(gpio, msm_gpio.dual_edge_irqs); } else { bits &= ~BIT(INTR_DECT_CTL); - __irq_set_handler_locked(d->irq, handle_level_irq); + irq_set_handler_locked(d, handle_level_irq); __clear_bit(gpio, msm_gpio.dual_edge_irqs); } From 43ec2e4316047e9eecf7df86768708395888eb96 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner <tglx@linutronix.de> Date: Tue, 23 Jun 2015 15:52:39 +0200 Subject: [PATCH 09/20] gpio/omap: Use irq_set_handler_locked() Use irq_set_handler_locked() as it avoids a redundant lookup of the irq descriptor. Search and replacement was done with coccinelle: Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Jiang Liu <jiang.liu@linux.intel.com> Cc: Julia Lawall <julia.lawall@lip6.fr> Cc: Kevin Hilman <khilman@deeprootsystems.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Alexandre Courbot <gnurou@gmail.com> Cc: linux-gpio@vger.kernel.org --- drivers/gpio/gpio-omap.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index b0c57d505be75..1a7c2ded9d6fb 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -511,9 +511,9 @@ static int omap_gpio_irq_type(struct irq_data *d, unsigned type) spin_unlock_irqrestore(&bank->lock, flags); if (type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH)) - __irq_set_handler_locked(d->irq, handle_level_irq); + irq_set_handler_locked(d, handle_level_irq); else if (type & (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING)) - __irq_set_handler_locked(d->irq, handle_edge_irq); + irq_set_handler_locked(d, handle_edge_irq); return 0; From 2456d869c45eeaefa7c5c96d30d1e884a12709e3 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner <tglx@linutronix.de> Date: Tue, 23 Jun 2015 15:52:40 +0200 Subject: [PATCH 10/20] gpio/pch: Use irq_set_handler_locked() Use irq_set_handler_locked() as it avoids a redundant lookup of the irq descriptor. Search and replacement was done with coccinelle: Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Jiang Liu <jiang.liu@linux.intel.com> Cc: Julia Lawall <julia.lawall@lip6.fr> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Alexandre Courbot <gnurou@gmail.com> Cc: linux-gpio@vger.kernel.org --- drivers/gpio/gpio-pch.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpio/gpio-pch.c b/drivers/gpio/gpio-pch.c index 2d9a950ca2d46..34ed176df15a9 100644 --- a/drivers/gpio/gpio-pch.c +++ b/drivers/gpio/gpio-pch.c @@ -281,9 +281,9 @@ static int pch_irq_type(struct irq_data *d, unsigned int type) /* And the handler */ if (type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH)) - __irq_set_handler_locked(d->irq, handle_level_irq); + irq_set_handler_locked(d, handle_level_irq); else if (type & (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING)) - __irq_set_handler_locked(d->irq, handle_edge_irq); + irq_set_handler_locked(d, handle_edge_irq); unlock: spin_unlock_irqrestore(&chip->spinlock, flags); From f170d71eb2eb5de968dbedfd74bc53944a080391 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner <tglx@linutronix.de> Date: Tue, 23 Jun 2015 15:52:40 +0200 Subject: [PATCH 11/20] gpio/gpio-tegra: Use irq_set_handler_locked() Use irq_set_handler_locked() as it avoids a redundant lookup of the irq descriptor. Search and replacement was done with coccinelle: Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Jiang Liu <jiang.liu@linux.intel.com> Cc: Julia Lawall <julia.lawall@lip6.fr> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Alexandre Courbot <gnurou@gmail.com> Cc: Stephen Warren <swarren@wwwdotorg.org> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: linux-gpio@vger.kernel.org --- drivers/gpio/gpio-tegra.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c index 9b25c90f725c2..271c4cf5e0cc3 100644 --- a/drivers/gpio/gpio-tegra.c +++ b/drivers/gpio/gpio-tegra.c @@ -252,9 +252,9 @@ static int tegra_gpio_irq_set_type(struct irq_data *d, unsigned int type) tegra_gpio_enable(gpio); if (type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH)) - __irq_set_handler_locked(d->irq, handle_level_irq); + irq_set_handler_locked(d, handle_level_irq); else if (type & (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING)) - __irq_set_handler_locked(d->irq, handle_edge_irq); + irq_set_handler_locked(d, handle_edge_irq); return 0; } From c16edb8b3a070be758a97bc6cd00855c7bbccec4 Mon Sep 17 00:00:00 2001 From: Jiang Liu <jiang.liu@linux.intel.com> Date: Mon, 1 Jun 2015 16:05:19 +0800 Subject: [PATCH 12/20] gpio/davinci: Use accessor function irq_data_get_irq_handler_data() This is a preparatory patch for moving irq_data struct members. Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Alexandre Courbot <gnurou@gmail.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> --- drivers/gpio/gpio-davinci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c index c5e05c82d67c6..477d5b8616ab9 100644 --- a/drivers/gpio/gpio-davinci.c +++ b/drivers/gpio/gpio-davinci.c @@ -396,7 +396,7 @@ static int gpio_irq_type_unbanked(struct irq_data *data, unsigned trigger) struct davinci_gpio_regs __iomem *g; u32 mask; - d = (struct davinci_gpio_controller *)data->handler_data; + d = (struct davinci_gpio_controller *)irq_data_get_irq_handler_data(data); g = (struct davinci_gpio_regs __iomem *)d->regs; mask = __gpio_mask(data->irq - d->gpio_irq); From 476f8b4c94a90d1167961d90a5ed68dbe87c62da Mon Sep 17 00:00:00 2001 From: Jiang Liu <jiang.liu@linux.intel.com> Date: Thu, 4 Jun 2015 12:13:15 +0800 Subject: [PATCH 13/20] 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: Jiang Liu <jiang.liu@linux.intel.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Cc: Alexandre Courbot <gnurou@gmail.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> --- 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 | 5 +++-- drivers/gpio/gpio-vf610.c | 2 +- drivers/gpio/gpio-zynq.c | 2 +- 10 files changed, 14 insertions(+), 15 deletions(-) diff --git a/drivers/gpio/gpio-bcm-kona.c b/drivers/gpio/gpio-bcm-kona.c index 40343fa92c7b9..109083f652486 100644 --- a/drivers/gpio/gpio-bcm-kona.c +++ b/drivers/gpio/gpio-bcm-kona.c @@ -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); diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c index 55fa9853a7f22..c5be4b9b8baf7 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 ab660e44a6721..b65d2b8d3b959 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 ec1eb1b7250ff..0f740276ed2b5 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 551d15d7c369c..b7f383eb18d91 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 1a7c2ded9d6fb..04ea23ba37ccd 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -714,7 +714,7 @@ 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 271c4cf5e0cc3..530b27f9d66f3 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 fd1970ed15e61..ac53ff0a80866 100644 --- a/drivers/gpio/gpio-timberdale.c +++ b/drivers/gpio/gpio-timberdale.c @@ -194,11 +194,12 @@ static int timbgpio_irq_type(struct irq_data *d, unsigned trigger) 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); + struct irq_data *data = irq_desc_get_irq_data(desc); unsigned long ipr; int offset; - desc->irq_data.chip->irq_ack(irq_get_irq_data(irq)); + data->chip->irq_ack(data); ipr = ioread32(tgpio->membase + TGPIO_IPR); iowrite32(ipr, tgpio->membase + TGPIO_ICR); diff --git a/drivers/gpio/gpio-vf610.c b/drivers/gpio/gpio-vf610.c index 7bd9f209ffa81..fa344388f4daa 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 53b297473724a..db8a61b8ca0c3 100644 --- a/drivers/gpio/gpio-zynq.c +++ b/drivers/gpio/gpio-zynq.c @@ -518,7 +518,7 @@ 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); From c3ca1e6f1849a6bce3a4a57e483d13ab7a544dd4 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner <tglx@linutronix.de> Date: Sun, 12 Jul 2015 23:47:32 +0200 Subject: [PATCH 14/20] gpio/davinci: Prepare gpio_irq_handler for irq argument removal The irq argument of most interrupt flow handlers is unused or merily used instead of a local variable. The handlers which need the irq argument can retrieve the irq number from the irq descriptor. Search and update was done with coccinelle and the invaluable help of Julia Lawall. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Julia Lawall <Julia.Lawall@lip6.fr> Cc: Jiang Liu <jiang.liu@linux.intel.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Alexandre Courbot <gnurou@gmail.com> Cc: linux-gpio@vger.kernel.org --- drivers/gpio/gpio-davinci.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c index 477d5b8616ab9..9a738f5d409bf 100644 --- a/drivers/gpio/gpio-davinci.c +++ b/drivers/gpio/gpio-davinci.c @@ -327,8 +327,9 @@ static struct irq_chip gpio_irqchip = { }; static void -gpio_irq_handler(unsigned irq, struct irq_desc *desc) +gpio_irq_handler(unsigned __irq, struct irq_desc *desc) { + unsigned int irq = irq_desc_get_irq(desc); struct davinci_gpio_regs __iomem *g; u32 mask = 0xffff; struct davinci_gpio_controller *d; From e43ea7a7736bb29fd088e83a7b66195eb2854814 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner <tglx@linutronix.de> Date: Mon, 13 Jul 2015 00:06:41 +0200 Subject: [PATCH 15/20] gpio/ep93xx: Prepare ep93xx_gpio_f_irq_handler for irq argument removal The irq argument of most interrupt flow handlers is unused or merily used instead of a local variable. The handlers which need the irq argument can retrieve the irq number from the irq descriptor. Search and update was done with coccinelle and the invaluable help of Julia Lawall. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Julia Lawall <Julia.Lawall@lip6.fr> Cc: Jiang Liu <jiang.liu@linux.intel.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Alexandre Courbot <gnurou@gmail.com> Cc: linux-gpio@vger.kernel.org --- drivers/gpio/gpio-ep93xx.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpio/gpio-ep93xx.c b/drivers/gpio/gpio-ep93xx.c index 8664cf041b1f6..dc0c409359404 100644 --- a/drivers/gpio/gpio-ep93xx.c +++ b/drivers/gpio/gpio-ep93xx.c @@ -100,13 +100,15 @@ static void ep93xx_gpio_ab_irq_handler(unsigned int irq, struct irq_desc *desc) } } -static void ep93xx_gpio_f_irq_handler(unsigned int irq, struct irq_desc *desc) +static void ep93xx_gpio_f_irq_handler(unsigned int __irq, + struct irq_desc *desc) { /* * map discontiguous hw irq range to continuous sw irq range: * * IRQ_EP93XX_GPIO{0..7}MUX -> gpio_to_irq(EP93XX_GPIO_LINE_F({0..7}) */ + unsigned int irq = irq_desc_get_irq(desc); int port_f_idx = ((irq + 1) & 7) ^ 4; /* {19..22,47..50} -> {0..7} */ int gpio_irq = gpio_to_irq(EP93XX_GPIO_LINE_F(0)) + port_f_idx; From 364ea44b24deec90c1ba88dc427d5bc4864096f5 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner <tglx@linutronix.de> Date: Mon, 13 Jul 2015 00:09:04 +0200 Subject: [PATCH 16/20] gpio/mvebu: Prepare mvebu_gpio_irq_handler for irq argument removal The irq argument of most interrupt flow handlers is unused or merily used instead of a local variable. The handlers which need the irq argument can retrieve the irq number from the irq descriptor. Search and update was done with coccinelle and the invaluable help of Julia Lawall. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Julia Lawall <Julia.Lawall@lip6.fr> Cc: Jiang Liu <jiang.liu@linux.intel.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Alexandre Courbot <gnurou@gmail.com> Cc: linux-gpio@vger.kernel.org --- drivers/gpio/gpio-mvebu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c index b65d2b8d3b959..b396bf3bf2946 100644 --- a/drivers/gpio/gpio-mvebu.c +++ b/drivers/gpio/gpio-mvebu.c @@ -458,7 +458,7 @@ static int mvebu_gpio_irq_set_type(struct irq_data *d, unsigned int type) return 0; } -static void mvebu_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) +static void mvebu_gpio_irq_handler(unsigned int __irq, struct irq_desc *desc) { struct mvebu_gpio_chip *mvchip = irq_desc_get_handler_data(desc); struct irq_chip *chip = irq_desc_get_chip(desc); From 2951a7990c4aac3bfa05ea8474eb2948ca73eaba Mon Sep 17 00:00:00 2001 From: Thomas Gleixner <tglx@linutronix.de> Date: Mon, 13 Jul 2015 00:11:27 +0200 Subject: [PATCH 17/20] gpio/sa1100: Prepare sa1100_gpio_handler for irq argument removal The irq argument of most interrupt flow handlers is unused or merily used instead of a local variable. The handlers which need the irq argument can retrieve the irq number from the irq descriptor. Search and update was done with coccinelle and the invaluable help of Julia Lawall. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Julia Lawall <Julia.Lawall@lip6.fr> Cc: Jiang Liu <jiang.liu@linux.intel.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Alexandre Courbot <gnurou@gmail.com> Cc: linux-gpio@vger.kernel.org --- drivers/gpio/gpio-sa1100.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpio/gpio-sa1100.c b/drivers/gpio/gpio-sa1100.c index 3fa22dade243e..e847a4cf93266 100644 --- a/drivers/gpio/gpio-sa1100.c +++ b/drivers/gpio/gpio-sa1100.c @@ -173,9 +173,9 @@ static struct irq_domain *sa1100_gpio_irqdomain; * and call the handler. */ static void -sa1100_gpio_handler(unsigned int irq, struct irq_desc *desc) +sa1100_gpio_handler(unsigned int __irq, struct irq_desc *desc) { - unsigned int mask; + unsigned int irq, mask; mask = GEDR; do { 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 18/20] 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 cbf383f7270d7..1f0fb19209bf9 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)) From 1765d671b18e58fdd6341edac9c22e57d90ef6a8 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner <tglx@linutronix.de> Date: Mon, 13 Jul 2015 01:18:56 +0200 Subject: [PATCH 19/20] gpio/davinci: Avoid redundant lookup of irq_data It's pretty silly to do void *cd = irq_get_chip_data(irq_data->irq); because that results in cd = irq_data->chip_data, but goes through a redundant 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-davinci.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c index 9a738f5d409bf..d885d98fe1617 100644 --- a/drivers/gpio/gpio-davinci.c +++ b/drivers/gpio/gpio-davinci.c @@ -65,11 +65,11 @@ static struct davinci_gpio_regs __iomem *gpio2regs(unsigned gpio) return ptr; } -static inline struct davinci_gpio_regs __iomem *irq2regs(int irq) +static inline struct davinci_gpio_regs __iomem *irq2regs(struct irq_data *d) { struct davinci_gpio_regs __iomem *g; - g = (__force struct davinci_gpio_regs __iomem *)irq_get_chip_data(irq); + g = (__force struct davinci_gpio_regs __iomem *)irq_data_get_irq_chip_data(d); return g; } @@ -287,7 +287,7 @@ static int davinci_gpio_probe(struct platform_device *pdev) static void gpio_irq_disable(struct irq_data *d) { - struct davinci_gpio_regs __iomem *g = irq2regs(d->irq); + struct davinci_gpio_regs __iomem *g = irq2regs(d); u32 mask = (u32) irq_data_get_irq_handler_data(d); writel_relaxed(mask, &g->clr_falling); @@ -296,7 +296,7 @@ static void gpio_irq_disable(struct irq_data *d) static void gpio_irq_enable(struct irq_data *d) { - struct davinci_gpio_regs __iomem *g = irq2regs(d->irq); + struct davinci_gpio_regs __iomem *g = irq2regs(d); u32 mask = (u32) irq_data_get_irq_handler_data(d); unsigned status = irqd_get_trigger_type(d); From bdac2b6dc7392668a8530d67a5f762366f57f9b4 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner <tglx@linutronix.de> Date: Mon, 13 Jul 2015 23:22:44 +0200 Subject: [PATCH 20/20] gpio/davinci: Fix race in installing chained irq handler Fix a race where a pending interrupt could be received and the handler called before the handler's data has been setup, by converting to irq_set_chained_handler_and_data(). Search and conversion was done with coccinelle. Reported-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Julia Lawall <Julia.Lawall@lip6.fr> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Alexandre Courbot <gnurou@gmail.com> --- drivers/gpio/gpio-davinci.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c index d885d98fe1617..b23cbcea2d98e 100644 --- a/drivers/gpio/gpio-davinci.c +++ b/drivers/gpio/gpio-davinci.c @@ -579,15 +579,13 @@ static int davinci_gpio_irq_setup(struct platform_device *pdev) writel_relaxed(~0, &g->clr_falling); writel_relaxed(~0, &g->clr_rising); - /* set up all irqs in this bank */ - irq_set_chained_handler(bank_irq, gpio_irq_handler); - /* * Each chip handles 32 gpios, and each irq bank consists of 16 * gpio irqs. Pass the irq bank's corresponding controller to * the chained irq handler. */ - irq_set_handler_data(bank_irq, &chips[gpio / 32]); + irq_set_chained_handler_and_data(bank_irq, gpio_irq_handler, + &chips[gpio / 32]); binten |= BIT(bank); }