diff options
Diffstat (limited to 'drivers/pinctrl/spear/pinctrl-plgpio.c')
| -rw-r--r-- | drivers/pinctrl/spear/pinctrl-plgpio.c | 32 |
1 files changed, 12 insertions, 20 deletions
diff --git a/drivers/pinctrl/spear/pinctrl-plgpio.c b/drivers/pinctrl/spear/pinctrl-plgpio.c index 4c045053bbd..ff2940e9f2a 100644 --- a/drivers/pinctrl/spear/pinctrl-plgpio.c +++ b/drivers/pinctrl/spear/pinctrl-plgpio.c @@ -15,12 +15,12 @@ #include <linux/io.h> #include <linux/irq.h> #include <linux/irqdomain.h> +#include <linux/irqchip/chained_irq.h> #include <linux/module.h> #include <linux/pinctrl/consumer.h> #include <linux/platform_device.h> #include <linux/pm.h> #include <linux/spinlock.h> -#include <asm/mach/irq.h> #define MAX_GPIO_PER_REG 32 #define PIN_OFFSET(pin) (pin % MAX_GPIO_PER_REG) @@ -75,7 +75,7 @@ struct plgpio { int (*o2p)(int offset); /* offset_to_pin */ u32 p2o_regs; struct plgpio_regs regs; -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP struct plgpio_regs *csave_regs; #endif }; @@ -441,7 +441,7 @@ static int spear310_p2o(int pin) return offset; } -int spear310_o2p(int offset) +static int spear310_o2p(int offset) { if (offset <= 3) return 101 - offset; @@ -451,8 +451,7 @@ int spear310_o2p(int offset) return offset + 2; } -static int __devinit plgpio_probe_dt(struct platform_device *pdev, - struct plgpio *plgpio) +static int plgpio_probe_dt(struct platform_device *pdev, struct plgpio *plgpio) { struct device_node *np = pdev->dev.of_node; int ret = -EINVAL; @@ -522,30 +521,23 @@ static int __devinit plgpio_probe_dt(struct platform_device *pdev, end: return ret; } -static int __devinit plgpio_probe(struct platform_device *pdev) +static int plgpio_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; struct plgpio *plgpio; struct resource *res; int ret, irq, i; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, "invalid IORESOURCE_MEM\n"); - return -EBUSY; - } - plgpio = devm_kzalloc(&pdev->dev, sizeof(*plgpio), GFP_KERNEL); if (!plgpio) { dev_err(&pdev->dev, "memory allocation fail\n"); return -ENOMEM; } - plgpio->base = devm_request_and_ioremap(&pdev->dev, res); - if (!plgpio->base) { - dev_err(&pdev->dev, "request and ioremap fail\n"); - return -ENOMEM; - } + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + plgpio->base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(plgpio->base)) + return PTR_ERR(plgpio->base); ret = plgpio_probe_dt(pdev, plgpio); if (ret) { @@ -557,7 +549,7 @@ static int __devinit plgpio_probe(struct platform_device *pdev) if (IS_ERR(plgpio->clk)) dev_warn(&pdev->dev, "clk_get() failed, work without it\n"); -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP plgpio->csave_regs = devm_kzalloc(&pdev->dev, sizeof(*plgpio->csave_regs) * DIV_ROUND_UP(plgpio->chip.ngpio, MAX_GPIO_PER_REG), @@ -644,7 +636,7 @@ unprepare_clk: return ret; } -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static int plgpio_suspend(struct device *dev) { struct plgpio *plgpio = dev_get_drvdata(dev); @@ -743,7 +735,7 @@ static struct platform_driver plgpio_driver = { .owner = THIS_MODULE, .name = "spear-plgpio", .pm = &plgpio_dev_pm_ops, - .of_match_table = of_match_ptr(plgpio_of_match), + .of_match_table = plgpio_of_match, }, }; |