diff options
Diffstat (limited to 'drivers/gpio')
-rw-r--r-- | drivers/gpio/adp5520-gpio.c | 1 | ||||
-rw-r--r-- | drivers/gpio/adp5588-gpio.c | 1 | ||||
-rw-r--r-- | drivers/gpio/bt8xxgpio.c | 1 | ||||
-rw-r--r-- | drivers/gpio/gpiolib.c | 1 | ||||
-rw-r--r-- | drivers/gpio/langwell_gpio.c | 1 | ||||
-rw-r--r-- | drivers/gpio/max7300.c | 1 | ||||
-rw-r--r-- | drivers/gpio/max7301.c | 1 | ||||
-rw-r--r-- | drivers/gpio/max730x.c | 1 | ||||
-rw-r--r-- | drivers/gpio/mc33880.c | 1 | ||||
-rw-r--r-- | drivers/gpio/mcp23s08.c | 1 | ||||
-rw-r--r-- | drivers/gpio/pca953x.c | 15 | ||||
-rw-r--r-- | drivers/gpio/pl061.c | 15 | ||||
-rw-r--r-- | drivers/gpio/timbgpio.c | 13 | ||||
-rw-r--r-- | drivers/gpio/twl4030-gpio.c | 1 | ||||
-rw-r--r-- | drivers/gpio/wm831x-gpio.c | 1 | ||||
-rw-r--r-- | drivers/gpio/wm8350-gpiolib.c | 1 | ||||
-rw-r--r-- | drivers/gpio/wm8994-gpio.c | 1 | ||||
-rw-r--r-- | drivers/gpio/xilinx_gpio.c | 1 |
18 files changed, 48 insertions, 10 deletions
diff --git a/drivers/gpio/adp5520-gpio.c b/drivers/gpio/adp5520-gpio.c index 0f93105873cd..9f2781537001 100644 --- a/drivers/gpio/adp5520-gpio.c +++ b/drivers/gpio/adp5520-gpio.c @@ -7,6 +7,7 @@ */ #include <linux/module.h> +#include <linux/slab.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/platform_device.h> diff --git a/drivers/gpio/adp5588-gpio.c b/drivers/gpio/adp5588-gpio.c index afc097a16b33..2e8e9e24f887 100644 --- a/drivers/gpio/adp5588-gpio.c +++ b/drivers/gpio/adp5588-gpio.c @@ -9,6 +9,7 @@ #include <linux/module.h> #include <linux/kernel.h> +#include <linux/slab.h> #include <linux/init.h> #include <linux/i2c.h> #include <linux/gpio.h> diff --git a/drivers/gpio/bt8xxgpio.c b/drivers/gpio/bt8xxgpio.c index 2559f2289409..aa4f09ad3ced 100644 --- a/drivers/gpio/bt8xxgpio.c +++ b/drivers/gpio/bt8xxgpio.c @@ -47,6 +47,7 @@ #include <linux/pci.h> #include <linux/spinlock.h> #include <linux/gpio.h> +#include <linux/slab.h> /* Steal the hardware definitions from the bttv driver. */ #include "../media/video/bt8xx/bt848.h" diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 6d1b86661e63..76be229c814d 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -9,6 +9,7 @@ #include <linux/seq_file.h> #include <linux/gpio.h> #include <linux/idr.h> +#include <linux/slab.h> /* Optional implementation infrastructure for GPIO interfaces. diff --git a/drivers/gpio/langwell_gpio.c b/drivers/gpio/langwell_gpio.c index 6c0ebbdc659e..00c3a14127af 100644 --- a/drivers/gpio/langwell_gpio.c +++ b/drivers/gpio/langwell_gpio.c @@ -29,6 +29,7 @@ #include <linux/irq.h> #include <linux/io.h> #include <linux/gpio.h> +#include <linux/slab.h> struct lnw_gpio_register { u32 GPLR[2]; diff --git a/drivers/gpio/max7300.c b/drivers/gpio/max7300.c index 9d74eef1157a..962f661c18c7 100644 --- a/drivers/gpio/max7300.c +++ b/drivers/gpio/max7300.c @@ -16,6 +16,7 @@ #include <linux/mutex.h> #include <linux/i2c.h> #include <linux/spi/max7301.h> +#include <linux/slab.h> static int max7300_i2c_write(struct device *dev, unsigned int reg, unsigned int val) diff --git a/drivers/gpio/max7301.c b/drivers/gpio/max7301.c index 965d9b1ea13e..92a100ddef6b 100644 --- a/drivers/gpio/max7301.c +++ b/drivers/gpio/max7301.c @@ -16,6 +16,7 @@ #include <linux/init.h> #include <linux/platform_device.h> #include <linux/mutex.h> +#include <linux/slab.h> #include <linux/spi/spi.h> #include <linux/spi/max7301.h> diff --git a/drivers/gpio/max730x.c b/drivers/gpio/max730x.c index 4a7d662ff9b7..7696a5625d58 100644 --- a/drivers/gpio/max730x.c +++ b/drivers/gpio/max730x.c @@ -38,6 +38,7 @@ #include <linux/mutex.h> #include <linux/spi/max7301.h> #include <linux/gpio.h> +#include <linux/slab.h> /* * Pin configurations, see MAX7301 datasheet page 6 diff --git a/drivers/gpio/mc33880.c b/drivers/gpio/mc33880.c index e7d01bd8fdb3..935479da6705 100644 --- a/drivers/gpio/mc33880.c +++ b/drivers/gpio/mc33880.c @@ -25,6 +25,7 @@ #include <linux/spi/spi.h> #include <linux/spi/mc33880.h> #include <linux/gpio.h> +#include <linux/slab.h> #define DRIVER_NAME "mc33880" diff --git a/drivers/gpio/mcp23s08.c b/drivers/gpio/mcp23s08.c index cd651ec8d034..69f6f1955a31 100644 --- a/drivers/gpio/mcp23s08.c +++ b/drivers/gpio/mcp23s08.c @@ -9,6 +9,7 @@ #include <linux/gpio.h> #include <linux/spi/spi.h> #include <linux/spi/mcp23s08.h> +#include <linux/slab.h> /* Registers are all 8 bits wide. diff --git a/drivers/gpio/pca953x.c b/drivers/gpio/pca953x.c index ab5daab14bc2..b827c976dc62 100644 --- a/drivers/gpio/pca953x.c +++ b/drivers/gpio/pca953x.c @@ -18,6 +18,7 @@ #include <linux/irq.h> #include <linux/i2c.h> #include <linux/i2c/pca953x.h> +#include <linux/slab.h> #ifdef CONFIG_OF_GPIO #include <linux/of_platform.h> #include <linux/of_gpio.h> @@ -251,6 +252,18 @@ static void pca953x_irq_bus_lock(unsigned int irq) static void pca953x_irq_bus_sync_unlock(unsigned int irq) { struct pca953x_chip *chip = get_irq_chip_data(irq); + uint16_t new_irqs; + uint16_t level; + + /* Look for any newly setup interrupt */ + new_irqs = chip->irq_trig_fall | chip->irq_trig_raise; + new_irqs &= ~chip->reg_direction; + + while (new_irqs) { + level = __ffs(new_irqs); + pca953x_gpio_direction_input(&chip->gpio_chip, level); + new_irqs &= ~(1 << level); + } mutex_unlock(&chip->irq_lock); } @@ -277,7 +290,7 @@ static int pca953x_irq_set_type(unsigned int irq, unsigned int type) else chip->irq_trig_raise &= ~mask; - return pca953x_gpio_direction_input(&chip->gpio_chip, level); + return 0; } static struct irq_chip pca953x_irq_chip = { diff --git a/drivers/gpio/pl061.c b/drivers/gpio/pl061.c index 3ad1eeb49609..105701a1f05b 100644 --- a/drivers/gpio/pl061.c +++ b/drivers/gpio/pl061.c @@ -24,6 +24,7 @@ #include <linux/device.h> #include <linux/amba/bus.h> #include <linux/amba/pl061.h> +#include <linux/slab.h> #define GPIODIR 0x400 #define GPIOIS 0x404 @@ -90,6 +91,12 @@ static int pl061_direction_output(struct gpio_chip *gc, unsigned offset, gpiodir = readb(chip->base + GPIODIR); gpiodir |= 1 << offset; writeb(gpiodir, chip->base + GPIODIR); + + /* + * gpio value is set again, because pl061 doesn't allow to set value of + * a gpio pin before configuring it in OUT mode. + */ + writeb(!!value << offset, chip->base + (1 << (offset + 2))); spin_unlock_irqrestore(&chip->lock, flags); return 0; @@ -182,7 +189,7 @@ static int pl061_irq_type(unsigned irq, unsigned trigger) gpioibe &= ~(1 << offset); if (trigger & IRQ_TYPE_EDGE_RISING) gpioiev |= 1 << offset; - else + else if (trigger & IRQ_TYPE_EDGE_FALLING) gpioiev &= ~(1 << offset); } writeb(gpioibe, chip->base + GPIOIBE); @@ -203,7 +210,7 @@ static struct irq_chip pl061_irqchip = { static void pl061_irq_handler(unsigned irq, struct irq_desc *desc) { - struct list_head *chip_list = get_irq_chip_data(irq); + struct list_head *chip_list = get_irq_data(irq); struct list_head *ptr; struct pl061_gpio *chip; @@ -296,9 +303,9 @@ static int __init pl061_probe(struct amba_device *dev, struct amba_id *id) goto iounmap; } INIT_LIST_HEAD(chip_list); - set_irq_chip_data(irq, chip_list); + set_irq_data(irq, chip_list); } else - chip_list = get_irq_chip_data(irq); + chip_list = get_irq_data(irq); list_add(&chip->list, chip_list); for (i = 0; i < PL061_GPIO_NR; i++) { diff --git a/drivers/gpio/timbgpio.c b/drivers/gpio/timbgpio.c index d4295fa5369e..ddd053108a13 100644 --- a/drivers/gpio/timbgpio.c +++ b/drivers/gpio/timbgpio.c @@ -27,6 +27,7 @@ #include <linux/io.h> #include <linux/timb_gpio.h> #include <linux/interrupt.h> +#include <linux/slab.h> #define DRIVER_NAME "timb-gpio" @@ -130,6 +131,7 @@ static int timbgpio_irq_type(unsigned irq, unsigned trigger) unsigned long flags; u32 lvr, flr, bflr = 0; u32 ver; + int ret = 0; if (offset < 0 || offset > tgpio->gpio.ngpio) return -EINVAL; @@ -153,8 +155,10 @@ static int timbgpio_irq_type(unsigned irq, unsigned trigger) } if ((trigger & IRQ_TYPE_EDGE_BOTH) == IRQ_TYPE_EDGE_BOTH) { - if (ver < 3) - return -EINVAL; + if (ver < 3) { + ret = -EINVAL; + goto out; + } else { flr |= 1 << offset; bflr |= 1 << offset; @@ -174,9 +178,10 @@ static int timbgpio_irq_type(unsigned irq, unsigned trigger) iowrite32(bflr, tgpio->membase + TGPIO_BFLR); iowrite32(1 << offset, tgpio->membase + TGPIO_ICR); - spin_unlock_irqrestore(&tgpio->lock, flags); - return 0; +out: + spin_unlock_irqrestore(&tgpio->lock, flags); + return ret; } static void timbgpio_irq(unsigned int irq, struct irq_desc *desc) diff --git a/drivers/gpio/twl4030-gpio.c b/drivers/gpio/twl4030-gpio.c index 7fe881e2bdfb..57635ac35a73 100644 --- a/drivers/gpio/twl4030-gpio.c +++ b/drivers/gpio/twl4030-gpio.c @@ -32,7 +32,6 @@ #include <linux/irq.h> #include <linux/gpio.h> #include <linux/platform_device.h> -#include <linux/slab.h> #include <linux/i2c/twl.h> diff --git a/drivers/gpio/wm831x-gpio.c b/drivers/gpio/wm831x-gpio.c index d09021f4a7d3..1fa449a1a4cb 100644 --- a/drivers/gpio/wm831x-gpio.c +++ b/drivers/gpio/wm831x-gpio.c @@ -13,6 +13,7 @@ */ #include <linux/kernel.h> +#include <linux/slab.h> #include <linux/module.h> #include <linux/gpio.h> #include <linux/mfd/core.h> diff --git a/drivers/gpio/wm8350-gpiolib.c b/drivers/gpio/wm8350-gpiolib.c index 511840d1c7ba..359999290f55 100644 --- a/drivers/gpio/wm8350-gpiolib.c +++ b/drivers/gpio/wm8350-gpiolib.c @@ -13,6 +13,7 @@ */ #include <linux/kernel.h> +#include <linux/slab.h> #include <linux/module.h> #include <linux/gpio.h> #include <linux/mfd/core.h> diff --git a/drivers/gpio/wm8994-gpio.c b/drivers/gpio/wm8994-gpio.c index de28b4a470ea..7607cc61e1dd 100644 --- a/drivers/gpio/wm8994-gpio.c +++ b/drivers/gpio/wm8994-gpio.c @@ -13,6 +13,7 @@ */ #include <linux/kernel.h> +#include <linux/slab.h> #include <linux/module.h> #include <linux/gpio.h> #include <linux/mfd/core.h> diff --git a/drivers/gpio/xilinx_gpio.c b/drivers/gpio/xilinx_gpio.c index 3c1177abebd3..b8fa65b5bfca 100644 --- a/drivers/gpio/xilinx_gpio.c +++ b/drivers/gpio/xilinx_gpio.c @@ -19,6 +19,7 @@ #include <linux/of_gpio.h> #include <linux/io.h> #include <linux/gpio.h> +#include <linux/slab.h> /* Register Offset Definitions */ #define XGPIO_DATA_OFFSET (0x0) /* Data register */ |