diff options
Diffstat (limited to 'drivers/gpio/gpio-stp-xway.c')
| -rw-r--r-- | drivers/gpio/gpio-stp-xway.c | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/drivers/gpio/gpio-stp-xway.c b/drivers/gpio/gpio-stp-xway.c index 0ce1543426a4..493c027afdd6 100644 --- a/drivers/gpio/gpio-stp-xway.c +++ b/drivers/gpio/gpio-stp-xway.c @@ -4,11 +4,12 @@ * Copyright (C) 2012 John Crispin <john@phrozen.org> */ +#include <linux/platform_device.h> #include <linux/slab.h> #include <linux/init.h> #include <linux/module.h> #include <linux/types.h> -#include <linux/of_platform.h> +#include <linux/of.h> #include <linux/mutex.h> #include <linux/gpio/driver.h> #include <linux/io.h> @@ -112,7 +113,7 @@ static int xway_stp_get(struct gpio_chip *gc, unsigned int gpio) * * Set the shadow value and call ltq_ebu_apply. */ -static void xway_stp_set(struct gpio_chip *gc, unsigned gpio, int val) +static int xway_stp_set(struct gpio_chip *gc, unsigned int gpio, int val) { struct xway_stp *chip = gpiochip_get_data(gc); @@ -123,6 +124,8 @@ static void xway_stp_set(struct gpio_chip *gc, unsigned gpio, int val) xway_stp_w32(chip->virt, chip->shadow, XWAY_STP_CPU0); if (!chip->reserved) xway_stp_w32_mask(chip->virt, 0, XWAY_STP_CON_SWU, XWAY_STP_CON0); + + return 0; } /** @@ -135,9 +138,7 @@ static void xway_stp_set(struct gpio_chip *gc, unsigned gpio, int val) */ static int xway_stp_dir_out(struct gpio_chip *gc, unsigned gpio, int val) { - xway_stp_set(gc, gpio, val); - - return 0; + return xway_stp_set(gc, gpio, val); } /** @@ -292,26 +293,20 @@ static int xway_stp_probe(struct platform_device *pdev) } /* check which edge trigger we should use, default to a falling edge */ - if (!of_find_property(pdev->dev.of_node, "lantiq,rising", NULL)) + if (!of_property_read_bool(pdev->dev.of_node, "lantiq,rising")) chip->edge = XWAY_STP_FALLING; - clk = devm_clk_get(&pdev->dev, NULL); + clk = devm_clk_get_enabled(&pdev->dev, NULL); if (IS_ERR(clk)) { dev_err(&pdev->dev, "Failed to get clock\n"); return PTR_ERR(clk); } - ret = clk_prepare_enable(clk); - if (ret) - return ret; - xway_stp_hw_init(chip); ret = devm_gpiochip_add_data(&pdev->dev, &chip->gc, chip); - if (ret) { - clk_disable_unprepare(clk); + if (ret) return ret; - } dev_info(&pdev->dev, "Init done\n"); |
