diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/gpio/driver.h | 15 | ||||
| -rw-r--r-- | include/linux/gpio/machine.h | 26 | ||||
| -rw-r--r-- | include/linux/platform_data/gpio-omap.h | 2 | ||||
| -rw-r--r-- | include/trace/events/gpio.h | 4 |
4 files changed, 23 insertions, 24 deletions
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index 951be1715c12..a1d273c96016 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -227,9 +227,10 @@ struct gpio_irq_chip { * @reg_dat: data (in) register for generic GPIO * @reg_set: output set register (out=high) for generic GPIO * @reg_clr: output clear register (out=low) for generic GPIO - * @reg_dir: direction setting register for generic GPIO - * @bgpio_dir_inverted: indicates that the direction register is inverted - * (gpiolib private state variable) + * @reg_dir_out: direction out setting register for generic GPIO + * @reg_dir_in: direction in setting register for generic GPIO + * @bgpio_dir_unreadable: indicates that the direction register(s) cannot + * be read and we need to rely on out internal state tracking. * @bgpio_bits: number of register bits used for a generic GPIO i.e. * <register width> * 8 * @bgpio_lock: used to lock chip->bgpio_data. Also, this is needed to keep @@ -237,7 +238,8 @@ struct gpio_irq_chip { * @bgpio_data: shadowed data register for generic GPIO to clear/set bits * safely. * @bgpio_dir: shadowed direction register for generic GPIO to clear/set - * direction safely. + * direction safely. A "1" in this word means the line is set as + * output. * * A gpio_chip can help platforms abstract various sources of GPIOs so * they can all be accessed through a common programing interface. @@ -298,8 +300,9 @@ struct gpio_chip { void __iomem *reg_dat; void __iomem *reg_set; void __iomem *reg_clr; - void __iomem *reg_dir; - bool bgpio_dir_inverted; + void __iomem *reg_dir_out; + void __iomem *reg_dir_in; + bool bgpio_dir_unreadable; int bgpio_bits; spinlock_t bgpio_lock; unsigned long bgpio_data; diff --git a/include/linux/gpio/machine.h b/include/linux/gpio/machine.h index 69673be10213..35f299d1f6a7 100644 --- a/include/linux/gpio/machine.h +++ b/include/linux/gpio/machine.h @@ -6,14 +6,16 @@ #include <linux/list.h> enum gpio_lookup_flags { - GPIO_ACTIVE_HIGH = (0 << 0), - GPIO_ACTIVE_LOW = (1 << 0), - GPIO_OPEN_DRAIN = (1 << 1), - GPIO_OPEN_SOURCE = (1 << 2), - GPIO_PERSISTENT = (0 << 3), - GPIO_TRANSITORY = (1 << 3), - GPIO_PULL_UP = (1 << 4), - GPIO_PULL_DOWN = (1 << 5), + GPIO_ACTIVE_HIGH = (0 << 0), + GPIO_ACTIVE_LOW = (1 << 0), + GPIO_OPEN_DRAIN = (1 << 1), + GPIO_OPEN_SOURCE = (1 << 2), + GPIO_PERSISTENT = (0 << 3), + GPIO_TRANSITORY = (1 << 3), + GPIO_PULL_UP = (1 << 4), + GPIO_PULL_DOWN = (1 << 5), + + GPIO_LOOKUP_FLAGS_DEFAULT = GPIO_ACTIVE_HIGH | GPIO_PERSISTENT, }; /** @@ -22,7 +24,7 @@ enum gpio_lookup_flags { * @chip_hwnum: hardware number (i.e. relative to the chip) of the GPIO * @con_id: name of the GPIO from the device's point of view * @idx: index of the GPIO in case several GPIOs share the same name - * @flags: mask of GPIO_* values + * @flags: bitmask of gpio_lookup_flags GPIO_* values * * gpiod_lookup is a lookup table for associating GPIOs to specific devices and * functions using platform data. @@ -32,7 +34,7 @@ struct gpiod_lookup { u16 chip_hwnum; const char *con_id; unsigned int idx; - enum gpio_lookup_flags flags; + unsigned long flags; }; struct gpiod_lookup_table { @@ -46,7 +48,7 @@ struct gpiod_lookup_table { * @chip_label: name of the chip the GPIO belongs to * @chip_hwnum: hardware number (i.e. relative to the chip) of the GPIO * @line_name: consumer name for the hogged line - * @lflags: mask of GPIO lookup flags + * @lflags: bitmask of gpio_lookup_flags GPIO_* values * @dflags: GPIO flags used to specify the direction and value */ struct gpiod_hog { @@ -54,7 +56,7 @@ struct gpiod_hog { const char *chip_label; u16 chip_hwnum; const char *line_name; - enum gpio_lookup_flags lflags; + unsigned long lflags; int dflags; }; diff --git a/include/linux/platform_data/gpio-omap.h b/include/linux/platform_data/gpio-omap.h index 6d07eebb3f75..7c36370c062e 100644 --- a/include/linux/platform_data/gpio-omap.h +++ b/include/linux/platform_data/gpio-omap.h @@ -200,8 +200,6 @@ struct omap_gpio_platform_data { bool is_mpuio; /* whether the bank is of type MPUIO */ u32 non_wakeup_gpios; - u32 quirks; /* Version specific quirks mask */ - struct omap_gpio_reg_offs *regs; /* Return context loss count due to PM states changing */ diff --git a/include/trace/events/gpio.h b/include/trace/events/gpio.h index 5c189a22c489..3aa9fd86d748 100644 --- a/include/trace/events/gpio.h +++ b/include/trace/events/gpio.h @@ -2,10 +2,6 @@ #undef TRACE_SYSTEM #define TRACE_SYSTEM gpio -#ifndef CONFIG_TRACING_EVENTS_GPIO -#define NOTRACE -#endif - #if !defined(_TRACE_GPIO_H) || defined(TRACE_HEADER_MULTI_READ) #define _TRACE_GPIO_H |