From 03dd4cb26d967f9588437b0fc9cc0e8353322bb7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andr=C3=A9=20Fabian=20Silva=20Delgado?= Date: Fri, 25 Mar 2016 03:53:42 -0300 Subject: Linux-libre 4.5-gnu --- drivers/gpio/gpio-zynq.c | 52 +++++++++++++++++++++--------------------------- 1 file changed, 23 insertions(+), 29 deletions(-) (limited to 'drivers/gpio/gpio-zynq.c') diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c index 8abeacac5..66d3d247d 100644 --- a/drivers/gpio/gpio-zynq.c +++ b/drivers/gpio/gpio-zynq.c @@ -131,11 +131,6 @@ struct zynq_platform_data { static struct irq_chip zynq_gpio_level_irqchip; static struct irq_chip zynq_gpio_edge_irqchip; -static struct zynq_gpio *to_zynq_gpio(struct gpio_chip *gc) -{ - return container_of(gc, struct zynq_gpio, chip); -} - /** * zynq_gpio_get_bank_pin - Get the bank number and pin number within that bank * for a given pin in the GPIO device @@ -183,7 +178,7 @@ static int zynq_gpio_get_value(struct gpio_chip *chip, unsigned int pin) { u32 data; unsigned int bank_num, bank_pin_num; - struct zynq_gpio *gpio = to_zynq_gpio(chip); + struct zynq_gpio *gpio = gpiochip_get_data(chip); zynq_gpio_get_bank_pin(pin, &bank_num, &bank_pin_num, gpio); @@ -207,7 +202,7 @@ static void zynq_gpio_set_value(struct gpio_chip *chip, unsigned int pin, int state) { unsigned int reg_offset, bank_num, bank_pin_num; - struct zynq_gpio *gpio = to_zynq_gpio(chip); + struct zynq_gpio *gpio = gpiochip_get_data(chip); zynq_gpio_get_bank_pin(pin, &bank_num, &bank_pin_num, gpio); @@ -244,7 +239,7 @@ static int zynq_gpio_dir_in(struct gpio_chip *chip, unsigned int pin) { u32 reg; unsigned int bank_num, bank_pin_num; - struct zynq_gpio *gpio = to_zynq_gpio(chip); + struct zynq_gpio *gpio = gpiochip_get_data(chip); zynq_gpio_get_bank_pin(pin, &bank_num, &bank_pin_num, gpio); @@ -277,7 +272,7 @@ static int zynq_gpio_dir_out(struct gpio_chip *chip, unsigned int pin, { u32 reg; unsigned int bank_num, bank_pin_num; - struct zynq_gpio *gpio = to_zynq_gpio(chip); + struct zynq_gpio *gpio = gpiochip_get_data(chip); zynq_gpio_get_bank_pin(pin, &bank_num, &bank_pin_num, gpio); @@ -308,7 +303,7 @@ static void zynq_gpio_irq_mask(struct irq_data *irq_data) { unsigned int device_pin_num, bank_num, bank_pin_num; struct zynq_gpio *gpio = - to_zynq_gpio(irq_data_get_irq_chip_data(irq_data)); + gpiochip_get_data(irq_data_get_irq_chip_data(irq_data)); device_pin_num = irq_data->hwirq; zynq_gpio_get_bank_pin(device_pin_num, &bank_num, &bank_pin_num, gpio); @@ -329,7 +324,7 @@ static void zynq_gpio_irq_unmask(struct irq_data *irq_data) { unsigned int device_pin_num, bank_num, bank_pin_num; struct zynq_gpio *gpio = - to_zynq_gpio(irq_data_get_irq_chip_data(irq_data)); + gpiochip_get_data(irq_data_get_irq_chip_data(irq_data)); device_pin_num = irq_data->hwirq; zynq_gpio_get_bank_pin(device_pin_num, &bank_num, &bank_pin_num, gpio); @@ -349,7 +344,7 @@ static void zynq_gpio_irq_ack(struct irq_data *irq_data) { unsigned int device_pin_num, bank_num, bank_pin_num; struct zynq_gpio *gpio = - to_zynq_gpio(irq_data_get_irq_chip_data(irq_data)); + gpiochip_get_data(irq_data_get_irq_chip_data(irq_data)); device_pin_num = irq_data->hwirq; zynq_gpio_get_bank_pin(device_pin_num, &bank_num, &bank_pin_num, gpio); @@ -400,7 +395,7 @@ static int zynq_gpio_set_irq_type(struct irq_data *irq_data, unsigned int type) u32 int_type, int_pol, int_any; unsigned int device_pin_num, bank_num, bank_pin_num; struct zynq_gpio *gpio = - to_zynq_gpio(irq_data_get_irq_chip_data(irq_data)); + gpiochip_get_data(irq_data_get_irq_chip_data(irq_data)); device_pin_num = irq_data->hwirq; zynq_gpio_get_bank_pin(device_pin_num, &bank_num, &bank_pin_num, gpio); @@ -464,7 +459,7 @@ static int zynq_gpio_set_irq_type(struct irq_data *irq_data, unsigned int type) static int zynq_gpio_set_wake(struct irq_data *data, unsigned int on) { struct zynq_gpio *gpio = - to_zynq_gpio(irq_data_get_irq_chip_data(data)); + gpiochip_get_data(irq_data_get_irq_chip_data(data)); irq_set_irq_wake(gpio->irq, on); @@ -530,7 +525,7 @@ static void zynq_gpio_irqhandler(struct irq_desc *desc) u32 int_sts, int_enb; unsigned int bank_num; struct zynq_gpio *gpio = - to_zynq_gpio(irq_desc_get_handler_data(desc)); + gpiochip_get_data(irq_desc_get_handler_data(desc)); struct irq_chip *irqchip = irq_desc_get_chip(desc); chained_irq_enter(irqchip, desc); @@ -592,7 +587,7 @@ static int zynq_gpio_request(struct gpio_chip *chip, unsigned offset) { int ret; - ret = pm_runtime_get_sync(chip->dev); + ret = pm_runtime_get_sync(chip->parent); /* * If the device is already active pm_runtime_get() will return 1 on @@ -603,7 +598,7 @@ static int zynq_gpio_request(struct gpio_chip *chip, unsigned offset) static void zynq_gpio_free(struct gpio_chip *chip, unsigned offset) { - pm_runtime_put(chip->dev); + pm_runtime_put(chip->parent); } static const struct dev_pm_ops zynq_gpio_dev_pm_ops = { @@ -698,7 +693,7 @@ static int zynq_gpio_probe(struct platform_device *pdev) chip = &gpio->chip; chip->label = gpio->p_data->label; chip->owner = THIS_MODULE; - chip->dev = &pdev->dev; + chip->parent = &pdev->dev; chip->get = zynq_gpio_get_value; chip->set = zynq_gpio_set_value; chip->request = zynq_gpio_request; @@ -708,23 +703,23 @@ static int zynq_gpio_probe(struct platform_device *pdev) chip->base = -1; chip->ngpio = gpio->p_data->ngpio; - /* Enable GPIO clock */ + /* Retrieve GPIO clock */ gpio->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(gpio->clk)) { dev_err(&pdev->dev, "input clock not found.\n"); return PTR_ERR(gpio->clk); } - ret = clk_prepare_enable(gpio->clk); - if (ret) { - dev_err(&pdev->dev, "Unable to enable clock.\n"); + + pm_runtime_enable(&pdev->dev); + ret = pm_runtime_get_sync(&pdev->dev); + if (ret < 0) return ret; - } /* report a bug if gpio chip registration fails */ - ret = gpiochip_add(chip); + ret = gpiochip_add_data(chip, gpio); if (ret) { dev_err(&pdev->dev, "Failed to add gpio chip\n"); - goto err_disable_clk; + goto err_pm_put; } /* disable interrupts for all banks */ @@ -742,15 +737,14 @@ static int zynq_gpio_probe(struct platform_device *pdev) gpiochip_set_chained_irqchip(chip, &zynq_gpio_edge_irqchip, gpio->irq, zynq_gpio_irqhandler); - pm_runtime_set_active(&pdev->dev); - pm_runtime_enable(&pdev->dev); + pm_runtime_put(&pdev->dev); return 0; err_rm_gpiochip: gpiochip_remove(chip); -err_disable_clk: - clk_disable_unprepare(gpio->clk); +err_pm_put: + pm_runtime_put(&pdev->dev); return ret; } -- cgit v1.2.3