From: Bartosz Golaszewski Date: Tue, 9 Sep 2025 12:28:43 +0000 (+0200) Subject: gpiolib: add a common prefix to GPIO descriptor flags X-Git-Tag: v6.18-rc1~168^2~22 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=571c65bb2f4d17198189cf8d161b96f32674642b;p=thirdparty%2Fkernel%2Fstable.git gpiolib: add a common prefix to GPIO descriptor flags While these flags are private within drivers/gpio/, when looking at the code, it's not really clear they are GPIO-specific. Since these are GPIO descriptor flags, prepend their names with a common "GPIOD" prefix. While at it: update the flags' docs: make spelling consistent, correct outdated information, etc. Reviewed-by: Linus Walleij Link: https://lore.kernel.org/r/20250909-rename-gpio-flags-v1-1-bda208a40856@linaro.org Signed-off-by: Bartosz Golaszewski --- diff --git a/drivers/gpio/gpiolib-cdev.c b/drivers/gpio/gpiolib-cdev.c index e6a289fa0f8fd..175836467f216 100644 --- a/drivers/gpio/gpiolib-cdev.c +++ b/drivers/gpio/gpiolib-cdev.c @@ -144,17 +144,17 @@ static void linehandle_flags_to_desc_flags(u32 lflags, unsigned long *flagsp) { unsigned long flags = READ_ONCE(*flagsp); - assign_bit(FLAG_ACTIVE_LOW, &flags, + assign_bit(GPIOD_FLAG_ACTIVE_LOW, &flags, lflags & GPIOHANDLE_REQUEST_ACTIVE_LOW); - assign_bit(FLAG_OPEN_DRAIN, &flags, + assign_bit(GPIOD_FLAG_OPEN_DRAIN, &flags, lflags & GPIOHANDLE_REQUEST_OPEN_DRAIN); - assign_bit(FLAG_OPEN_SOURCE, &flags, + assign_bit(GPIOD_FLAG_OPEN_SOURCE, &flags, lflags & GPIOHANDLE_REQUEST_OPEN_SOURCE); - assign_bit(FLAG_PULL_UP, &flags, + assign_bit(GPIOD_FLAG_PULL_UP, &flags, lflags & GPIOHANDLE_REQUEST_BIAS_PULL_UP); - assign_bit(FLAG_PULL_DOWN, &flags, + assign_bit(GPIOD_FLAG_PULL_DOWN, &flags, lflags & GPIOHANDLE_REQUEST_BIAS_PULL_DOWN); - assign_bit(FLAG_BIAS_DISABLE, &flags, + assign_bit(GPIOD_FLAG_BIAS_DISABLE, &flags, lflags & GPIOHANDLE_REQUEST_BIAS_DISABLE); WRITE_ONCE(*flagsp, flags); @@ -238,7 +238,7 @@ static long linehandle_ioctl(struct file *file, unsigned int cmd, * All line descriptors were created at once with the same * flags so just check if the first one is really output. */ - if (!test_bit(FLAG_IS_OUT, &lh->descs[0]->flags)) + if (!test_bit(GPIOD_FLAG_IS_OUT, &lh->descs[0]->flags)) return -EPERM; if (copy_from_user(&ghd, ip, sizeof(ghd))) @@ -599,10 +599,10 @@ static void linereq_put_event(struct linereq *lr, static u64 line_event_timestamp(struct line *line) { - if (test_bit(FLAG_EVENT_CLOCK_REALTIME, &line->desc->flags)) + if (test_bit(GPIOD_FLAG_EVENT_CLOCK_REALTIME, &line->desc->flags)) return ktime_get_real_ns(); else if (IS_ENABLED(CONFIG_HTE) && - test_bit(FLAG_EVENT_CLOCK_HTE, &line->desc->flags)) + test_bit(GPIOD_FLAG_EVENT_CLOCK_HTE, &line->desc->flags)) return line->timestamp_ns; return ktime_get_ns(); @@ -725,11 +725,11 @@ static int hte_edge_setup(struct line *line, u64 eflags) struct hte_ts_desc *hdesc = &line->hdesc; if (eflags & GPIO_V2_LINE_FLAG_EDGE_RISING) - flags |= test_bit(FLAG_ACTIVE_LOW, &line->desc->flags) ? + flags |= test_bit(GPIOD_FLAG_ACTIVE_LOW, &line->desc->flags) ? HTE_FALLING_EDGE_TS : HTE_RISING_EDGE_TS; if (eflags & GPIO_V2_LINE_FLAG_EDGE_FALLING) - flags |= test_bit(FLAG_ACTIVE_LOW, &line->desc->flags) ? + flags |= test_bit(GPIOD_FLAG_ACTIVE_LOW, &line->desc->flags) ? HTE_RISING_EDGE_TS : HTE_FALLING_EDGE_TS; @@ -831,7 +831,7 @@ static bool debounced_value(struct line *line) */ value = READ_ONCE(line->level); - if (test_bit(FLAG_ACTIVE_LOW, &line->desc->flags)) + if (test_bit(GPIOD_FLAG_ACTIVE_LOW, &line->desc->flags)) value = !value; return value; @@ -939,7 +939,7 @@ static int debounce_setup(struct line *line, unsigned int debounce_period_us) return level; if (!(IS_ENABLED(CONFIG_HTE) && - test_bit(FLAG_EVENT_CLOCK_HTE, &line->desc->flags))) { + test_bit(GPIOD_FLAG_EVENT_CLOCK_HTE, &line->desc->flags))) { irq = gpiod_to_irq(line->desc); if (irq < 0) return -ENXIO; @@ -1061,10 +1061,10 @@ static int edge_detector_setup(struct line *line, return -ENXIO; if (eflags & GPIO_V2_LINE_FLAG_EDGE_RISING) - irqflags |= test_bit(FLAG_ACTIVE_LOW, &line->desc->flags) ? + irqflags |= test_bit(GPIOD_FLAG_ACTIVE_LOW, &line->desc->flags) ? IRQF_TRIGGER_FALLING : IRQF_TRIGGER_RISING; if (eflags & GPIO_V2_LINE_FLAG_EDGE_FALLING) - irqflags |= test_bit(FLAG_ACTIVE_LOW, &line->desc->flags) ? + irqflags |= test_bit(GPIOD_FLAG_ACTIVE_LOW, &line->desc->flags) ? IRQF_TRIGGER_RISING : IRQF_TRIGGER_FALLING; irqflags |= IRQF_ONESHOT; @@ -1237,34 +1237,34 @@ static void gpio_v2_line_config_flags_to_desc_flags(u64 lflags, { unsigned long flags = READ_ONCE(*flagsp); - assign_bit(FLAG_ACTIVE_LOW, &flags, + assign_bit(GPIOD_FLAG_ACTIVE_LOW, &flags, lflags & GPIO_V2_LINE_FLAG_ACTIVE_LOW); if (lflags & GPIO_V2_LINE_FLAG_OUTPUT) - set_bit(FLAG_IS_OUT, &flags); + set_bit(GPIOD_FLAG_IS_OUT, &flags); else if (lflags & GPIO_V2_LINE_FLAG_INPUT) - clear_bit(FLAG_IS_OUT, &flags); + clear_bit(GPIOD_FLAG_IS_OUT, &flags); - assign_bit(FLAG_EDGE_RISING, &flags, + assign_bit(GPIOD_FLAG_EDGE_RISING, &flags, lflags & GPIO_V2_LINE_FLAG_EDGE_RISING); - assign_bit(FLAG_EDGE_FALLING, &flags, + assign_bit(GPIOD_FLAG_EDGE_FALLING, &flags, lflags & GPIO_V2_LINE_FLAG_EDGE_FALLING); - assign_bit(FLAG_OPEN_DRAIN, &flags, + assign_bit(GPIOD_FLAG_OPEN_DRAIN, &flags, lflags & GPIO_V2_LINE_FLAG_OPEN_DRAIN); - assign_bit(FLAG_OPEN_SOURCE, &flags, + assign_bit(GPIOD_FLAG_OPEN_SOURCE, &flags, lflags & GPIO_V2_LINE_FLAG_OPEN_SOURCE); - assign_bit(FLAG_PULL_UP, &flags, + assign_bit(GPIOD_FLAG_PULL_UP, &flags, lflags & GPIO_V2_LINE_FLAG_BIAS_PULL_UP); - assign_bit(FLAG_PULL_DOWN, &flags, + assign_bit(GPIOD_FLAG_PULL_DOWN, &flags, lflags & GPIO_V2_LINE_FLAG_BIAS_PULL_DOWN); - assign_bit(FLAG_BIAS_DISABLE, &flags, + assign_bit(GPIOD_FLAG_BIAS_DISABLE, &flags, lflags & GPIO_V2_LINE_FLAG_BIAS_DISABLED); - assign_bit(FLAG_EVENT_CLOCK_REALTIME, &flags, + assign_bit(GPIOD_FLAG_EVENT_CLOCK_REALTIME, &flags, lflags & GPIO_V2_LINE_FLAG_EVENT_CLOCK_REALTIME); - assign_bit(FLAG_EVENT_CLOCK_HTE, &flags, + assign_bit(GPIOD_FLAG_EVENT_CLOCK_HTE, &flags, lflags & GPIO_V2_LINE_FLAG_EVENT_CLOCK_HTE); WRITE_ONCE(*flagsp, flags); @@ -2115,10 +2115,10 @@ static int lineevent_create(struct gpio_device *gdev, void __user *ip) } if (eflags & GPIOEVENT_REQUEST_RISING_EDGE) - irqflags |= test_bit(FLAG_ACTIVE_LOW, &desc->flags) ? + irqflags |= test_bit(GPIOD_FLAG_ACTIVE_LOW, &desc->flags) ? IRQF_TRIGGER_FALLING : IRQF_TRIGGER_RISING; if (eflags & GPIOEVENT_REQUEST_FALLING_EDGE) - irqflags |= test_bit(FLAG_ACTIVE_LOW, &desc->flags) ? + irqflags |= test_bit(GPIOD_FLAG_ACTIVE_LOW, &desc->flags) ? IRQF_TRIGGER_RISING : IRQF_TRIGGER_FALLING; irqflags |= IRQF_ONESHOT; @@ -2253,7 +2253,7 @@ static void gpio_desc_to_lineinfo(struct gpio_desc *desc, scoped_guard(srcu, &desc->gdev->desc_srcu) { label = gpiod_get_label(desc); - if (label && test_bit(FLAG_REQUESTED, &dflags)) + if (label && test_bit(GPIOD_FLAG_REQUESTED, &dflags)) strscpy(info->consumer, label, sizeof(info->consumer)); } @@ -2270,10 +2270,10 @@ static void gpio_desc_to_lineinfo(struct gpio_desc *desc, * The definitive test that a line is available to userspace is to * request it. */ - if (test_bit(FLAG_REQUESTED, &dflags) || - test_bit(FLAG_IS_HOGGED, &dflags) || - test_bit(FLAG_EXPORT, &dflags) || - test_bit(FLAG_SYSFS, &dflags) || + if (test_bit(GPIOD_FLAG_REQUESTED, &dflags) || + test_bit(GPIOD_FLAG_IS_HOGGED, &dflags) || + test_bit(GPIOD_FLAG_EXPORT, &dflags) || + test_bit(GPIOD_FLAG_SYSFS, &dflags) || !gpiochip_line_is_valid(guard.gc, info->offset)) { info->flags |= GPIO_V2_LINE_FLAG_USED; } else if (!atomic) { @@ -2281,34 +2281,34 @@ static void gpio_desc_to_lineinfo(struct gpio_desc *desc, info->flags |= GPIO_V2_LINE_FLAG_USED; } - if (test_bit(FLAG_IS_OUT, &dflags)) + if (test_bit(GPIOD_FLAG_IS_OUT, &dflags)) info->flags |= GPIO_V2_LINE_FLAG_OUTPUT; else info->flags |= GPIO_V2_LINE_FLAG_INPUT; - if (test_bit(FLAG_ACTIVE_LOW, &dflags)) + if (test_bit(GPIOD_FLAG_ACTIVE_LOW, &dflags)) info->flags |= GPIO_V2_LINE_FLAG_ACTIVE_LOW; - if (test_bit(FLAG_OPEN_DRAIN, &dflags)) + if (test_bit(GPIOD_FLAG_OPEN_DRAIN, &dflags)) info->flags |= GPIO_V2_LINE_FLAG_OPEN_DRAIN; - if (test_bit(FLAG_OPEN_SOURCE, &dflags)) + if (test_bit(GPIOD_FLAG_OPEN_SOURCE, &dflags)) info->flags |= GPIO_V2_LINE_FLAG_OPEN_SOURCE; - if (test_bit(FLAG_BIAS_DISABLE, &dflags)) + if (test_bit(GPIOD_FLAG_BIAS_DISABLE, &dflags)) info->flags |= GPIO_V2_LINE_FLAG_BIAS_DISABLED; - if (test_bit(FLAG_PULL_DOWN, &dflags)) + if (test_bit(GPIOD_FLAG_PULL_DOWN, &dflags)) info->flags |= GPIO_V2_LINE_FLAG_BIAS_PULL_DOWN; - if (test_bit(FLAG_PULL_UP, &dflags)) + if (test_bit(GPIOD_FLAG_PULL_UP, &dflags)) info->flags |= GPIO_V2_LINE_FLAG_BIAS_PULL_UP; - if (test_bit(FLAG_EDGE_RISING, &dflags)) + if (test_bit(GPIOD_FLAG_EDGE_RISING, &dflags)) info->flags |= GPIO_V2_LINE_FLAG_EDGE_RISING; - if (test_bit(FLAG_EDGE_FALLING, &dflags)) + if (test_bit(GPIOD_FLAG_EDGE_FALLING, &dflags)) info->flags |= GPIO_V2_LINE_FLAG_EDGE_FALLING; - if (test_bit(FLAG_EVENT_CLOCK_REALTIME, &dflags)) + if (test_bit(GPIOD_FLAG_EVENT_CLOCK_REALTIME, &dflags)) info->flags |= GPIO_V2_LINE_FLAG_EVENT_CLOCK_REALTIME; - else if (test_bit(FLAG_EVENT_CLOCK_HTE, &dflags)) + else if (test_bit(GPIOD_FLAG_EVENT_CLOCK_HTE, &dflags)) info->flags |= GPIO_V2_LINE_FLAG_EVENT_CLOCK_HTE; debounce_period_us = READ_ONCE(desc->debounce_period_us); diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c index 37ab78243faba..fad4edf9cc5c0 100644 --- a/drivers/gpio/gpiolib-of.c +++ b/drivers/gpio/gpiolib-of.c @@ -878,7 +878,7 @@ static void of_gpiochip_remove_hog(struct gpio_chip *chip, { struct gpio_desc *desc; - for_each_gpio_desc_with_flag(chip, desc, FLAG_IS_HOGGED) + for_each_gpio_desc_with_flag(chip, desc, GPIOD_FLAG_IS_HOGGED) if (READ_ONCE(desc->hog) == hog) gpiochip_free_own_desc(desc); } diff --git a/drivers/gpio/gpiolib-sysfs.c b/drivers/gpio/gpiolib-sysfs.c index b64106f1cb7b9..9a849245b3588 100644 --- a/drivers/gpio/gpiolib-sysfs.c +++ b/drivers/gpio/gpiolib-sysfs.c @@ -131,7 +131,7 @@ static ssize_t direction_show(struct device *dev, scoped_guard(mutex, &data->mutex) { gpiod_get_direction(desc); - value = !!test_bit(FLAG_IS_OUT, &desc->flags); + value = !!test_bit(GPIOD_FLAG_IS_OUT, &desc->flags); } return sysfs_emit(buf, "%s\n", value ? "out" : "in"); @@ -226,14 +226,14 @@ static int gpio_sysfs_request_irq(struct gpiod_data *data, unsigned char flags) irq_flags = IRQF_SHARED; if (flags & GPIO_IRQF_TRIGGER_FALLING) { - irq_flags |= test_bit(FLAG_ACTIVE_LOW, &desc->flags) ? + irq_flags |= test_bit(GPIOD_FLAG_ACTIVE_LOW, &desc->flags) ? IRQF_TRIGGER_RISING : IRQF_TRIGGER_FALLING; - set_bit(FLAG_EDGE_FALLING, &desc->flags); + set_bit(GPIOD_FLAG_EDGE_FALLING, &desc->flags); } if (flags & GPIO_IRQF_TRIGGER_RISING) { - irq_flags |= test_bit(FLAG_ACTIVE_LOW, &desc->flags) ? + irq_flags |= test_bit(GPIOD_FLAG_ACTIVE_LOW, &desc->flags) ? IRQF_TRIGGER_FALLING : IRQF_TRIGGER_RISING; - set_bit(FLAG_EDGE_RISING, &desc->flags); + set_bit(GPIOD_FLAG_EDGE_RISING, &desc->flags); } /* @@ -260,8 +260,8 @@ static int gpio_sysfs_request_irq(struct gpiod_data *data, unsigned char flags) err_unlock: gpiochip_unlock_as_irq(guard.gc, gpio_chip_hwgpio(desc)); err_clr_bits: - clear_bit(FLAG_EDGE_RISING, &desc->flags); - clear_bit(FLAG_EDGE_FALLING, &desc->flags); + clear_bit(GPIOD_FLAG_EDGE_RISING, &desc->flags); + clear_bit(GPIOD_FLAG_EDGE_FALLING, &desc->flags); return ret; } @@ -281,8 +281,8 @@ static void gpio_sysfs_free_irq(struct gpiod_data *data) data->irq_flags = 0; free_irq(data->irq, data); gpiochip_unlock_as_irq(guard.gc, gpio_chip_hwgpio(desc)); - clear_bit(FLAG_EDGE_RISING, &desc->flags); - clear_bit(FLAG_EDGE_FALLING, &desc->flags); + clear_bit(GPIOD_FLAG_EDGE_RISING, &desc->flags); + clear_bit(GPIOD_FLAG_EDGE_FALLING, &desc->flags); } static const char *const trigger_names[] = { @@ -347,10 +347,10 @@ static int gpio_sysfs_set_active_low(struct gpiod_data *data, int value) struct gpio_desc *desc = data->desc; int status = 0; - if (!!test_bit(FLAG_ACTIVE_LOW, &desc->flags) == !!value) + if (!!test_bit(GPIOD_FLAG_ACTIVE_LOW, &desc->flags) == !!value) return 0; - assign_bit(FLAG_ACTIVE_LOW, &desc->flags, value); + assign_bit(GPIOD_FLAG_ACTIVE_LOW, &desc->flags, value); /* reconfigure poll(2) support if enabled on one edge only */ if (flags == GPIO_IRQF_TRIGGER_FALLING || @@ -373,7 +373,7 @@ static ssize_t active_low_show(struct device *dev, int value; scoped_guard(mutex, &data->mutex) - value = !!test_bit(FLAG_ACTIVE_LOW, &desc->flags); + value = !!test_bit(GPIOD_FLAG_ACTIVE_LOW, &desc->flags); return sysfs_emit(buf, "%d\n", value); } @@ -418,7 +418,7 @@ static umode_t gpio_is_visible(struct kobject *kobj, struct attribute *attr, mode = 0; if (!data->direction_can_change && - test_bit(FLAG_IS_OUT, &data->desc->flags)) + test_bit(GPIOD_FLAG_IS_OUT, &data->desc->flags)) mode = 0; #endif /* CONFIG_GPIO_SYSFS_LEGACY */ } @@ -486,7 +486,7 @@ static int export_gpio_desc(struct gpio_desc *desc) } /* - * No extra locking here; FLAG_SYSFS just signifies that the + * No extra locking here; GPIOD_FLAG_SYSFS just signifies that the * request and export were done by on behalf of userspace, so * they may be undone on its behalf too. */ @@ -505,7 +505,7 @@ static int export_gpio_desc(struct gpio_desc *desc) if (ret < 0) { gpiod_free(desc); } else { - set_bit(FLAG_SYSFS, &desc->flags); + set_bit(GPIOD_FLAG_SYSFS, &desc->flags); gpiod_line_state_notify(desc, GPIO_V2_LINE_CHANGED_REQUESTED); } @@ -515,11 +515,11 @@ static int export_gpio_desc(struct gpio_desc *desc) static int unexport_gpio_desc(struct gpio_desc *desc) { /* - * No extra locking here; FLAG_SYSFS just signifies that the + * No extra locking here; GPIOD_FLAG_SYSFS just signifies that the * request and export were done by on behalf of userspace, so * they may be undone on its behalf too. */ - if (!test_and_clear_bit(FLAG_SYSFS, &desc->flags)) + if (!test_and_clear_bit(GPIOD_FLAG_SYSFS, &desc->flags)) return -EINVAL; gpiod_unexport(desc); @@ -748,14 +748,14 @@ int gpiod_export(struct gpio_desc *desc, bool direction_may_change) if (!guard.gc) return -ENODEV; - if (test_and_set_bit(FLAG_EXPORT, &desc->flags)) + if (test_and_set_bit(GPIOD_FLAG_EXPORT, &desc->flags)) return -EPERM; gdev = desc->gdev; guard(mutex)(&sysfs_lock); - if (!test_bit(FLAG_REQUESTED, &desc->flags)) { + if (!test_bit(GPIOD_FLAG_REQUESTED, &desc->flags)) { gpiod_dbg(desc, "%s: unavailable (not requested)\n", __func__); status = -EPERM; goto err_clear_bit; @@ -866,7 +866,7 @@ err_free_data: #endif /* CONFIG_GPIO_SYSFS_LEGACY */ kfree(desc_data); err_clear_bit: - clear_bit(FLAG_EXPORT, &desc->flags); + clear_bit(GPIOD_FLAG_EXPORT, &desc->flags); gpiod_dbg(desc, "%s: status %d\n", __func__, status); return status; } @@ -937,7 +937,7 @@ void gpiod_unexport(struct gpio_desc *desc) } scoped_guard(mutex, &sysfs_lock) { - if (!test_bit(FLAG_EXPORT, &desc->flags)) + if (!test_bit(GPIOD_FLAG_EXPORT, &desc->flags)) return; gdev = gpiod_to_gpio_device(desc); @@ -956,7 +956,7 @@ void gpiod_unexport(struct gpio_desc *desc) return; list_del(&desc_data->list); - clear_bit(FLAG_EXPORT, &desc->flags); + clear_bit(GPIOD_FLAG_EXPORT, &desc->flags); #if IS_ENABLED(CONFIG_GPIO_SYSFS_LEGACY) sysfs_put(desc_data->value_kn); device_unregister(desc_data->dev); @@ -1073,7 +1073,7 @@ void gpiochip_sysfs_unregister(struct gpio_device *gdev) return; /* unregister gpiod class devices owned by sysfs */ - for_each_gpio_desc_with_flag(chip, desc, FLAG_SYSFS) { + for_each_gpio_desc_with_flag(chip, desc, GPIOD_FLAG_SYSFS) { gpiod_unexport(desc); gpiod_free(desc); } diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 98d2fa6024905..01bdf8fad7cff 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -127,10 +127,10 @@ const char *gpiod_get_label(struct gpio_desc *desc) label = srcu_dereference_check(desc->label, &desc->gdev->desc_srcu, srcu_read_lock_held(&desc->gdev->desc_srcu)); - if (test_bit(FLAG_USED_AS_IRQ, &flags)) + if (test_bit(GPIOD_FLAG_USED_AS_IRQ, &flags)) return label ? label->str : "interrupt"; - if (!test_bit(FLAG_REQUESTED, &flags)) + if (!test_bit(GPIOD_FLAG_REQUESTED, &flags)) return NULL; return label ? label->str : NULL; @@ -450,8 +450,8 @@ int gpiod_get_direction(struct gpio_desc *desc) * Open drain emulation using input mode may incorrectly report * input here, fix that up. */ - if (test_bit(FLAG_OPEN_DRAIN, &flags) && - test_bit(FLAG_IS_OUT, &flags)) + if (test_bit(GPIOD_FLAG_OPEN_DRAIN, &flags) && + test_bit(GPIOD_FLAG_IS_OUT, &flags)) return 0; if (!guard.gc->get_direction) @@ -468,7 +468,7 @@ int gpiod_get_direction(struct gpio_desc *desc) if (ret > 0) ret = 1; - assign_bit(FLAG_IS_OUT, &flags, !ret); + assign_bit(GPIOD_FLAG_IS_OUT, &flags, !ret); WRITE_ONCE(desc->flags, flags); return ret; @@ -846,7 +846,7 @@ static void gpiochip_free_remaining_irqs(struct gpio_chip *gc) { struct gpio_desc *desc; - for_each_gpio_desc_with_flag(gc, desc, FLAG_USED_AS_IRQ) + for_each_gpio_desc_with_flag(gc, desc, GPIOD_FLAG_USED_AS_IRQ) gpiod_free_irqs(desc); } @@ -1169,10 +1169,10 @@ int gpiochip_add_data_with_key(struct gpio_chip *gc, void *data, * lock here. */ if (gc->get_direction && gpiochip_line_is_valid(gc, desc_index)) - assign_bit(FLAG_IS_OUT, &desc->flags, + assign_bit(GPIOD_FLAG_IS_OUT, &desc->flags, !gc->get_direction(gc, desc_index)); else - assign_bit(FLAG_IS_OUT, + assign_bit(GPIOD_FLAG_IS_OUT, &desc->flags, !gc->direction_input); } @@ -2449,7 +2449,7 @@ static int gpiod_request_commit(struct gpio_desc *desc, const char *label) if (!guard.gc) return -ENODEV; - if (test_and_set_bit(FLAG_REQUESTED, &desc->flags)) + if (test_and_set_bit(GPIOD_FLAG_REQUESTED, &desc->flags)) return -EBUSY; offset = gpio_chip_hwgpio(desc); @@ -2478,7 +2478,7 @@ static int gpiod_request_commit(struct gpio_desc *desc, const char *label) return 0; out_clear_bit: - clear_bit(FLAG_REQUESTED, &desc->flags); + clear_bit(GPIOD_FLAG_REQUESTED, &desc->flags); return ret; } @@ -2512,20 +2512,20 @@ static void gpiod_free_commit(struct gpio_desc *desc) flags = READ_ONCE(desc->flags); - if (guard.gc && test_bit(FLAG_REQUESTED, &flags)) { + if (guard.gc && test_bit(GPIOD_FLAG_REQUESTED, &flags)) { if (guard.gc->free) guard.gc->free(guard.gc, gpio_chip_hwgpio(desc)); - clear_bit(FLAG_ACTIVE_LOW, &flags); - clear_bit(FLAG_REQUESTED, &flags); - clear_bit(FLAG_OPEN_DRAIN, &flags); - clear_bit(FLAG_OPEN_SOURCE, &flags); - clear_bit(FLAG_PULL_UP, &flags); - clear_bit(FLAG_PULL_DOWN, &flags); - clear_bit(FLAG_BIAS_DISABLE, &flags); - clear_bit(FLAG_EDGE_RISING, &flags); - clear_bit(FLAG_EDGE_FALLING, &flags); - clear_bit(FLAG_IS_HOGGED, &flags); + clear_bit(GPIOD_FLAG_ACTIVE_LOW, &flags); + clear_bit(GPIOD_FLAG_REQUESTED, &flags); + clear_bit(GPIOD_FLAG_OPEN_DRAIN, &flags); + clear_bit(GPIOD_FLAG_OPEN_SOURCE, &flags); + clear_bit(GPIOD_FLAG_PULL_UP, &flags); + clear_bit(GPIOD_FLAG_PULL_DOWN, &flags); + clear_bit(GPIOD_FLAG_BIAS_DISABLE, &flags); + clear_bit(GPIOD_FLAG_EDGE_RISING, &flags); + clear_bit(GPIOD_FLAG_EDGE_FALLING, &flags); + clear_bit(GPIOD_FLAG_IS_HOGGED, &flags); #ifdef CONFIG_OF_DYNAMIC WRITE_ONCE(desc->hog, NULL); #endif @@ -2568,7 +2568,7 @@ char *gpiochip_dup_line_label(struct gpio_chip *gc, unsigned int offset) if (IS_ERR(desc)) return NULL; - if (!test_bit(FLAG_REQUESTED, &desc->flags)) + if (!test_bit(GPIOD_FLAG_REQUESTED, &desc->flags)) return NULL; guard(srcu)(&desc->gdev->desc_srcu); @@ -2736,11 +2736,11 @@ static int gpio_set_bias(struct gpio_desc *desc) flags = READ_ONCE(desc->flags); - if (test_bit(FLAG_BIAS_DISABLE, &flags)) + if (test_bit(GPIOD_FLAG_BIAS_DISABLE, &flags)) bias = PIN_CONFIG_BIAS_DISABLE; - else if (test_bit(FLAG_PULL_UP, &flags)) + else if (test_bit(GPIOD_FLAG_PULL_UP, &flags)) bias = PIN_CONFIG_BIAS_PULL_UP; - else if (test_bit(FLAG_PULL_DOWN, &flags)) + else if (test_bit(GPIOD_FLAG_PULL_DOWN, &flags)) bias = PIN_CONFIG_BIAS_PULL_DOWN; else return 0; @@ -2882,7 +2882,7 @@ int gpiod_direction_input_nonotify(struct gpio_desc *desc) } } if (ret == 0) { - clear_bit(FLAG_IS_OUT, &desc->flags); + clear_bit(GPIOD_FLAG_IS_OUT, &desc->flags); ret = gpio_set_bias(desc); } @@ -2955,7 +2955,7 @@ static int gpiod_direction_output_raw_commit(struct gpio_desc *desc, int value) } if (!ret) - set_bit(FLAG_IS_OUT, &desc->flags); + set_bit(GPIOD_FLAG_IS_OUT, &desc->flags); trace_gpio_value(desc_to_gpio(desc), 0, val); trace_gpio_direction(desc_to_gpio(desc), 0, ret); return ret; @@ -3021,21 +3021,21 @@ int gpiod_direction_output_nonotify(struct gpio_desc *desc, int value) flags = READ_ONCE(desc->flags); - if (test_bit(FLAG_ACTIVE_LOW, &flags)) + if (test_bit(GPIOD_FLAG_ACTIVE_LOW, &flags)) value = !value; else value = !!value; /* GPIOs used for enabled IRQs shall not be set as output */ - if (test_bit(FLAG_USED_AS_IRQ, &flags) && - test_bit(FLAG_IRQ_IS_ENABLED, &flags)) { + if (test_bit(GPIOD_FLAG_USED_AS_IRQ, &flags) && + test_bit(GPIOD_FLAG_IRQ_IS_ENABLED, &flags)) { gpiod_err(desc, "%s: tried to set a GPIO tied to an IRQ as output\n", __func__); return -EIO; } - if (test_bit(FLAG_OPEN_DRAIN, &flags)) { + if (test_bit(GPIOD_FLAG_OPEN_DRAIN, &flags)) { /* First see if we can enable open drain in hardware */ ret = gpio_set_config(desc, PIN_CONFIG_DRIVE_OPEN_DRAIN); if (!ret) @@ -3043,7 +3043,7 @@ int gpiod_direction_output_nonotify(struct gpio_desc *desc, int value) /* Emulate open drain by not actively driving the line high */ if (value) goto set_output_flag; - } else if (test_bit(FLAG_OPEN_SOURCE, &flags)) { + } else if (test_bit(GPIOD_FLAG_OPEN_SOURCE, &flags)) { ret = gpio_set_config(desc, PIN_CONFIG_DRIVE_OPEN_SOURCE); if (!ret) goto set_output_value; @@ -3070,7 +3070,7 @@ set_output_flag: * set the IS_OUT flag or otherwise we won't be able to set the line * value anymore. */ - set_bit(FLAG_IS_OUT, &desc->flags); + set_bit(GPIOD_FLAG_IS_OUT, &desc->flags); return 0; } @@ -3210,10 +3210,10 @@ int gpiod_set_transitory(struct gpio_desc *desc, bool transitory) { VALIDATE_DESC(desc); /* - * Handle FLAG_TRANSITORY first, enabling queries to gpiolib for + * Handle GPIOD_FLAG_TRANSITORY first, enabling queries to gpiolib for * persistence state. */ - assign_bit(FLAG_TRANSITORY, &desc->flags, transitory); + assign_bit(GPIOD_FLAG_TRANSITORY, &desc->flags, transitory); /* If the driver supports it, set the persistence state now */ return gpio_set_config_with_argument_optional(desc, @@ -3231,7 +3231,7 @@ int gpiod_set_transitory(struct gpio_desc *desc, bool transitory) int gpiod_is_active_low(const struct gpio_desc *desc) { VALIDATE_DESC(desc); - return test_bit(FLAG_ACTIVE_LOW, &desc->flags); + return test_bit(GPIOD_FLAG_ACTIVE_LOW, &desc->flags); } EXPORT_SYMBOL_GPL(gpiod_is_active_low); @@ -3242,7 +3242,7 @@ EXPORT_SYMBOL_GPL(gpiod_is_active_low); void gpiod_toggle_active_low(struct gpio_desc *desc) { VALIDATE_DESC_VOID(desc); - change_bit(FLAG_ACTIVE_LOW, &desc->flags); + change_bit(GPIOD_FLAG_ACTIVE_LOW, &desc->flags); gpiod_line_state_notify(desc, GPIO_V2_LINE_CHANGED_CONFIG); } EXPORT_SYMBOL_GPL(gpiod_toggle_active_low); @@ -3448,7 +3448,7 @@ int gpiod_get_array_value_complex(bool raw, bool can_sleep, int hwgpio = gpio_chip_hwgpio(desc); int value = test_bit(hwgpio, bits); - if (!raw && test_bit(FLAG_ACTIVE_LOW, &desc->flags)) + if (!raw && test_bit(GPIOD_FLAG_ACTIVE_LOW, &desc->flags)) value = !value; __assign_bit(j, value_bitmap, value); trace_gpio_value(desc_to_gpio(desc), 1, value); @@ -3510,7 +3510,7 @@ int gpiod_get_value(const struct gpio_desc *desc) if (value < 0) return value; - if (test_bit(FLAG_ACTIVE_LOW, &desc->flags)) + if (test_bit(GPIOD_FLAG_ACTIVE_LOW, &desc->flags)) value = !value; return value; @@ -3593,7 +3593,7 @@ static int gpio_set_open_drain_value_commit(struct gpio_desc *desc, bool value) } else { ret = gpiochip_direction_output(guard.gc, offset, 0); if (!ret) - set_bit(FLAG_IS_OUT, &desc->flags); + set_bit(GPIOD_FLAG_IS_OUT, &desc->flags); } trace_gpio_direction(desc_to_gpio(desc), value, ret); if (ret < 0) @@ -3620,7 +3620,7 @@ static int gpio_set_open_source_value_commit(struct gpio_desc *desc, bool value) if (value) { ret = gpiochip_direction_output(guard.gc, offset, 1); if (!ret) - set_bit(FLAG_IS_OUT, &desc->flags); + set_bit(GPIOD_FLAG_IS_OUT, &desc->flags); } else { ret = gpiochip_direction_input(guard.gc, offset); } @@ -3635,7 +3635,7 @@ static int gpio_set_open_source_value_commit(struct gpio_desc *desc, bool value) static int gpiod_set_raw_value_commit(struct gpio_desc *desc, bool value) { - if (unlikely(!test_bit(FLAG_IS_OUT, &desc->flags))) + if (unlikely(!test_bit(GPIOD_FLAG_IS_OUT, &desc->flags))) return -EPERM; CLASS(gpio_chip_guard, guard)(desc); @@ -3705,7 +3705,7 @@ int gpiod_set_array_value_complex(bool raw, bool can_sleep, WARN_ON(array_info->gdev->can_sleep); for (i = 0; i < array_size; i++) { - if (unlikely(!test_bit(FLAG_IS_OUT, + if (unlikely(!test_bit(GPIOD_FLAG_IS_OUT, &desc_array[i]->flags))) return -EPERM; } @@ -3769,7 +3769,7 @@ int gpiod_set_array_value_complex(bool raw, bool can_sleep, int hwgpio = gpio_chip_hwgpio(desc); int value = test_bit(i, value_bitmap); - if (unlikely(!test_bit(FLAG_IS_OUT, &desc->flags))) + if (unlikely(!test_bit(GPIOD_FLAG_IS_OUT, &desc->flags))) return -EPERM; /* @@ -3779,16 +3779,16 @@ int gpiod_set_array_value_complex(bool raw, bool can_sleep, */ if (!raw && !(array_info && test_bit(i, array_info->invert_mask)) && - test_bit(FLAG_ACTIVE_LOW, &desc->flags)) + test_bit(GPIOD_FLAG_ACTIVE_LOW, &desc->flags)) value = !value; trace_gpio_value(desc_to_gpio(desc), 0, value); /* * collect all normal outputs belonging to the same chip * open drain and open source outputs are set individually */ - if (test_bit(FLAG_OPEN_DRAIN, &desc->flags) && !raw) { + if (test_bit(GPIOD_FLAG_OPEN_DRAIN, &desc->flags) && !raw) { gpio_set_open_drain_value_commit(desc, value); - } else if (test_bit(FLAG_OPEN_SOURCE, &desc->flags) && !raw) { + } else if (test_bit(GPIOD_FLAG_OPEN_SOURCE, &desc->flags) && !raw) { gpio_set_open_source_value_commit(desc, value); } else { __set_bit(hwgpio, mask); @@ -3854,12 +3854,12 @@ EXPORT_SYMBOL_GPL(gpiod_set_raw_value); */ static int gpiod_set_value_nocheck(struct gpio_desc *desc, int value) { - if (test_bit(FLAG_ACTIVE_LOW, &desc->flags)) + if (test_bit(GPIOD_FLAG_ACTIVE_LOW, &desc->flags)) value = !value; - if (test_bit(FLAG_OPEN_DRAIN, &desc->flags)) + if (test_bit(GPIOD_FLAG_OPEN_DRAIN, &desc->flags)) return gpio_set_open_drain_value_commit(desc, value); - else if (test_bit(FLAG_OPEN_SOURCE, &desc->flags)) + else if (test_bit(GPIOD_FLAG_OPEN_SOURCE, &desc->flags)) return gpio_set_open_source_value_commit(desc, value); return gpiod_set_raw_value_commit(desc, value); @@ -4063,16 +4063,16 @@ int gpiochip_lock_as_irq(struct gpio_chip *gc, unsigned int offset) } /* To be valid for IRQ the line needs to be input or open drain */ - if (test_bit(FLAG_IS_OUT, &desc->flags) && - !test_bit(FLAG_OPEN_DRAIN, &desc->flags)) { + if (test_bit(GPIOD_FLAG_IS_OUT, &desc->flags) && + !test_bit(GPIOD_FLAG_OPEN_DRAIN, &desc->flags)) { chip_err(gc, "%s: tried to flag a GPIO set as output for IRQ\n", __func__); return -EIO; } - set_bit(FLAG_USED_AS_IRQ, &desc->flags); - set_bit(FLAG_IRQ_IS_ENABLED, &desc->flags); + set_bit(GPIOD_FLAG_USED_AS_IRQ, &desc->flags); + set_bit(GPIOD_FLAG_IRQ_IS_ENABLED, &desc->flags); return 0; } @@ -4094,8 +4094,8 @@ void gpiochip_unlock_as_irq(struct gpio_chip *gc, unsigned int offset) if (IS_ERR(desc)) return; - clear_bit(FLAG_USED_AS_IRQ, &desc->flags); - clear_bit(FLAG_IRQ_IS_ENABLED, &desc->flags); + clear_bit(GPIOD_FLAG_USED_AS_IRQ, &desc->flags); + clear_bit(GPIOD_FLAG_IRQ_IS_ENABLED, &desc->flags); } EXPORT_SYMBOL_GPL(gpiochip_unlock_as_irq); @@ -4104,8 +4104,8 @@ void gpiochip_disable_irq(struct gpio_chip *gc, unsigned int offset) struct gpio_desc *desc = gpiochip_get_desc(gc, offset); if (!IS_ERR(desc) && - !WARN_ON(!test_bit(FLAG_USED_AS_IRQ, &desc->flags))) - clear_bit(FLAG_IRQ_IS_ENABLED, &desc->flags); + !WARN_ON(!test_bit(GPIOD_FLAG_USED_AS_IRQ, &desc->flags))) + clear_bit(GPIOD_FLAG_IRQ_IS_ENABLED, &desc->flags); } EXPORT_SYMBOL_GPL(gpiochip_disable_irq); @@ -4114,14 +4114,14 @@ void gpiochip_enable_irq(struct gpio_chip *gc, unsigned int offset) struct gpio_desc *desc = gpiochip_get_desc(gc, offset); if (!IS_ERR(desc) && - !WARN_ON(!test_bit(FLAG_USED_AS_IRQ, &desc->flags))) { + !WARN_ON(!test_bit(GPIOD_FLAG_USED_AS_IRQ, &desc->flags))) { /* * We must not be output when using IRQ UNLESS we are * open drain. */ - WARN_ON(test_bit(FLAG_IS_OUT, &desc->flags) && - !test_bit(FLAG_OPEN_DRAIN, &desc->flags)); - set_bit(FLAG_IRQ_IS_ENABLED, &desc->flags); + WARN_ON(test_bit(GPIOD_FLAG_IS_OUT, &desc->flags) && + !test_bit(GPIOD_FLAG_OPEN_DRAIN, &desc->flags)); + set_bit(GPIOD_FLAG_IRQ_IS_ENABLED, &desc->flags); } } EXPORT_SYMBOL_GPL(gpiochip_enable_irq); @@ -4131,7 +4131,7 @@ bool gpiochip_line_is_irq(struct gpio_chip *gc, unsigned int offset) if (offset >= gc->ngpio) return false; - return test_bit(FLAG_USED_AS_IRQ, &gc->gpiodev->descs[offset].flags); + return test_bit(GPIOD_FLAG_USED_AS_IRQ, &gc->gpiodev->descs[offset].flags); } EXPORT_SYMBOL_GPL(gpiochip_line_is_irq); @@ -4164,7 +4164,7 @@ bool gpiochip_line_is_open_drain(struct gpio_chip *gc, unsigned int offset) if (offset >= gc->ngpio) return false; - return test_bit(FLAG_OPEN_DRAIN, &gc->gpiodev->descs[offset].flags); + return test_bit(GPIOD_FLAG_OPEN_DRAIN, &gc->gpiodev->descs[offset].flags); } EXPORT_SYMBOL_GPL(gpiochip_line_is_open_drain); @@ -4173,7 +4173,7 @@ bool gpiochip_line_is_open_source(struct gpio_chip *gc, unsigned int offset) if (offset >= gc->ngpio) return false; - return test_bit(FLAG_OPEN_SOURCE, &gc->gpiodev->descs[offset].flags); + return test_bit(GPIOD_FLAG_OPEN_SOURCE, &gc->gpiodev->descs[offset].flags); } EXPORT_SYMBOL_GPL(gpiochip_line_is_open_source); @@ -4182,7 +4182,7 @@ bool gpiochip_line_is_persistent(struct gpio_chip *gc, unsigned int offset) if (offset >= gc->ngpio) return false; - return !test_bit(FLAG_TRANSITORY, &gc->gpiodev->descs[offset].flags); + return !test_bit(GPIOD_FLAG_TRANSITORY, &gc->gpiodev->descs[offset].flags); } EXPORT_SYMBOL_GPL(gpiochip_line_is_persistent); @@ -4224,7 +4224,7 @@ int gpiod_get_value_cansleep(const struct gpio_desc *desc) if (value < 0) return value; - if (test_bit(FLAG_ACTIVE_LOW, &desc->flags)) + if (test_bit(GPIOD_FLAG_ACTIVE_LOW, &desc->flags)) value = !value; return value; @@ -4806,10 +4806,10 @@ int gpiod_configure_flags(struct gpio_desc *desc, const char *con_id, int ret; if (lflags & GPIO_ACTIVE_LOW) - set_bit(FLAG_ACTIVE_LOW, &desc->flags); + set_bit(GPIOD_FLAG_ACTIVE_LOW, &desc->flags); if (lflags & GPIO_OPEN_DRAIN) - set_bit(FLAG_OPEN_DRAIN, &desc->flags); + set_bit(GPIOD_FLAG_OPEN_DRAIN, &desc->flags); else if (dflags & GPIOD_FLAGS_BIT_OPEN_DRAIN) { /* * This enforces open drain mode from the consumer side. @@ -4817,13 +4817,13 @@ int gpiod_configure_flags(struct gpio_desc *desc, const char *con_id, * should *REALLY* have specified them as open drain in the * first place, so print a little warning here. */ - set_bit(FLAG_OPEN_DRAIN, &desc->flags); + set_bit(GPIOD_FLAG_OPEN_DRAIN, &desc->flags); gpiod_warn(desc, "enforced open drain please flag it properly in DT/ACPI DSDT/board file\n"); } if (lflags & GPIO_OPEN_SOURCE) - set_bit(FLAG_OPEN_SOURCE, &desc->flags); + set_bit(GPIOD_FLAG_OPEN_SOURCE, &desc->flags); if (((lflags & GPIO_PULL_UP) && (lflags & GPIO_PULL_DOWN)) || ((lflags & GPIO_PULL_UP) && (lflags & GPIO_PULL_DISABLE)) || @@ -4834,11 +4834,11 @@ int gpiod_configure_flags(struct gpio_desc *desc, const char *con_id, } if (lflags & GPIO_PULL_UP) - set_bit(FLAG_PULL_UP, &desc->flags); + set_bit(GPIOD_FLAG_PULL_UP, &desc->flags); else if (lflags & GPIO_PULL_DOWN) - set_bit(FLAG_PULL_DOWN, &desc->flags); + set_bit(GPIOD_FLAG_PULL_DOWN, &desc->flags); else if (lflags & GPIO_PULL_DISABLE) - set_bit(FLAG_BIAS_DISABLE, &desc->flags); + set_bit(GPIOD_FLAG_BIAS_DISABLE, &desc->flags); ret = gpiod_set_transitory(desc, (lflags & GPIO_TRANSITORY)); if (ret < 0) @@ -4943,7 +4943,7 @@ int gpiod_hog(struct gpio_desc *desc, const char *name, if (!guard.gc) return -ENODEV; - if (test_and_set_bit(FLAG_IS_HOGGED, &desc->flags)) + if (test_and_set_bit(GPIOD_FLAG_IS_HOGGED, &desc->flags)) return 0; hwnum = gpio_chip_hwgpio(desc); @@ -4951,7 +4951,7 @@ int gpiod_hog(struct gpio_desc *desc, const char *name, local_desc = gpiochip_request_own_desc(guard.gc, hwnum, name, lflags, dflags); if (IS_ERR(local_desc)) { - clear_bit(FLAG_IS_HOGGED, &desc->flags); + clear_bit(GPIOD_FLAG_IS_HOGGED, &desc->flags); ret = PTR_ERR(local_desc); pr_err("requesting hog GPIO %s (chip %s, offset %d) failed, %d\n", name, gdev->label, hwnum, ret); @@ -4974,7 +4974,7 @@ static void gpiochip_free_hogs(struct gpio_chip *gc) { struct gpio_desc *desc; - for_each_gpio_desc_with_flag(gc, desc, FLAG_IS_HOGGED) + for_each_gpio_desc_with_flag(gc, desc, GPIOD_FLAG_IS_HOGGED) gpiochip_free_own_desc(desc); } @@ -5089,8 +5089,8 @@ struct gpio_descs *__must_check gpiod_get_array(struct device *dev, } else { dflags = READ_ONCE(desc->flags); /* Exclude open drain or open source from fast output */ - if (test_bit(FLAG_OPEN_DRAIN, &dflags) || - test_bit(FLAG_OPEN_SOURCE, &dflags)) + if (test_bit(GPIOD_FLAG_OPEN_DRAIN, &dflags) || + test_bit(GPIOD_FLAG_OPEN_SOURCE, &dflags)) __clear_bit(descs->ndescs, array_info->set_mask); /* Identify 'fast' pins which require invertion */ @@ -5248,12 +5248,12 @@ static void gpiolib_dbg_show(struct seq_file *s, struct gpio_device *gdev) for_each_gpio_desc(gc, desc) { guard(srcu)(&desc->gdev->desc_srcu); flags = READ_ONCE(desc->flags); - is_irq = test_bit(FLAG_USED_AS_IRQ, &flags); - if (is_irq || test_bit(FLAG_REQUESTED, &flags)) { + is_irq = test_bit(GPIOD_FLAG_USED_AS_IRQ, &flags); + if (is_irq || test_bit(GPIOD_FLAG_REQUESTED, &flags)) { gpiod_get_direction(desc); - is_out = test_bit(FLAG_IS_OUT, &flags); + is_out = test_bit(GPIOD_FLAG_IS_OUT, &flags); value = gpio_chip_get_value(gc, desc); - active_low = test_bit(FLAG_ACTIVE_LOW, &flags); + active_low = test_bit(GPIOD_FLAG_ACTIVE_LOW, &flags); seq_printf(s, " gpio-%-3u (%-20.20s|%-20.20s) %s %s %s%s\n", gpio, desc->name ?: "", gpiod_get_label(desc), is_out ? "out" : "in ", diff --git a/drivers/gpio/gpiolib.h b/drivers/gpio/gpiolib.h index 9b74738a9ca5b..2a003a7311e7a 100644 --- a/drivers/gpio/gpiolib.h +++ b/drivers/gpio/gpiolib.h @@ -186,24 +186,24 @@ struct gpio_desc { struct gpio_device *gdev; unsigned long flags; /* flag symbols are bit numbers */ -#define FLAG_REQUESTED 0 -#define FLAG_IS_OUT 1 -#define FLAG_EXPORT 2 /* protected by sysfs_lock */ -#define FLAG_SYSFS 3 /* exported via /sys/class/gpio/control */ -#define FLAG_ACTIVE_LOW 6 /* value has active low */ -#define FLAG_OPEN_DRAIN 7 /* Gpio is open drain type */ -#define FLAG_OPEN_SOURCE 8 /* Gpio is open source type */ -#define FLAG_USED_AS_IRQ 9 /* GPIO is connected to an IRQ */ -#define FLAG_IRQ_IS_ENABLED 10 /* GPIO is connected to an enabled IRQ */ -#define FLAG_IS_HOGGED 11 /* GPIO is hogged */ -#define FLAG_TRANSITORY 12 /* GPIO may lose value in sleep or reset */ -#define FLAG_PULL_UP 13 /* GPIO has pull up enabled */ -#define FLAG_PULL_DOWN 14 /* GPIO has pull down enabled */ -#define FLAG_BIAS_DISABLE 15 /* GPIO has pull disabled */ -#define FLAG_EDGE_RISING 16 /* GPIO CDEV detects rising edge events */ -#define FLAG_EDGE_FALLING 17 /* GPIO CDEV detects falling edge events */ -#define FLAG_EVENT_CLOCK_REALTIME 18 /* GPIO CDEV reports REALTIME timestamps in events */ -#define FLAG_EVENT_CLOCK_HTE 19 /* GPIO CDEV reports hardware timestamps in events */ +#define GPIOD_FLAG_REQUESTED 0 /* GPIO is in use */ +#define GPIOD_FLAG_IS_OUT 1 /* GPIO is in output mode */ +#define GPIOD_FLAG_EXPORT 2 /* GPIO is exported to user-space */ +#define GPIOD_FLAG_SYSFS 3 /* GPIO is exported via /sys/class/gpio */ +#define GPIOD_FLAG_ACTIVE_LOW 6 /* GPIO is active-low */ +#define GPIOD_FLAG_OPEN_DRAIN 7 /* GPIO is open drain type */ +#define GPIOD_FLAG_OPEN_SOURCE 8 /* GPIO is open source type */ +#define GPIOD_FLAG_USED_AS_IRQ 9 /* GPIO is connected to an IRQ */ +#define GPIOD_FLAG_IRQ_IS_ENABLED 10 /* GPIO is connected to an enabled IRQ */ +#define GPIOD_FLAG_IS_HOGGED 11 /* GPIO is hogged */ +#define GPIOD_FLAG_TRANSITORY 12 /* GPIO may lose value in sleep or reset */ +#define GPIOD_FLAG_PULL_UP 13 /* GPIO has pull up enabled */ +#define GPIOD_FLAG_PULL_DOWN 14 /* GPIO has pull down enabled */ +#define GPIOD_FLAG_BIAS_DISABLE 15 /* GPIO has pull disabled */ +#define GPIOD_FLAG_EDGE_RISING 16 /* GPIO CDEV detects rising edge events */ +#define GPIOD_FLAG_EDGE_FALLING 17 /* GPIO CDEV detects falling edge events */ +#define GPIOD_FLAG_EVENT_CLOCK_REALTIME 18 /* GPIO CDEV reports REALTIME timestamps in events */ +#define GPIOD_FLAG_EVENT_CLOCK_HTE 19 /* GPIO CDEV reports hardware timestamps in events */ /* Connection label */ struct gpio_desc_label __rcu *label;