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Revert "gpio: expose pull-up/pull-down line flags to userspace" 

This reverts commit 8c550e94b8.

This was prematurely applied and we need to back it out to merge
a better version of the development track for this feature.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2019-11-08 13:37:54 +01:00
Родитель 2f4133bb5f
Коммит 70d97e099b
2 изменённых файлов: 0 добавлений и 16 удалений
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12
drivers/gpio/gpiolib.c
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@ -422,8 +422,6 @@ struct linehandle_state {
(GPIOHANDLE_REQUEST_INPUT | \
GPIOHANDLE_REQUEST_OUTPUT | \
GPIOHANDLE_REQUEST_ACTIVE_LOW | \
GPIOHANDLE_REQUEST_PULL_UP | \
GPIOHANDLE_REQUEST_PULL_DOWN | \
GPIOHANDLE_REQUEST_OPEN_DRAIN | \
GPIOHANDLE_REQUEST_OPEN_SOURCE)
@ -595,10 +593,6 @@ static int linehandle_create(struct gpio_device *gdev, void __user *ip)
set_bit(FLAG_OPEN_DRAIN, &desc->flags);
if (lflags & GPIOHANDLE_REQUEST_OPEN_SOURCE)
set_bit(FLAG_OPEN_SOURCE, &desc->flags);
if (lflags & GPIOHANDLE_REQUEST_PULL_DOWN)
set_bit(FLAG_PULL_DOWN, &desc->flags);
if (lflags & GPIOHANDLE_REQUEST_PULL_UP)
set_bit(FLAG_PULL_UP, &desc->flags);
ret = gpiod_set_transitory(desc, false);
if (ret < 0)
@ -1098,10 +1092,6 @@ static long gpio_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
if (test_bit(FLAG_OPEN_SOURCE, &desc->flags))
lineinfo.flags |= (GPIOLINE_FLAG_OPEN_SOURCE |
GPIOLINE_FLAG_IS_OUT);
if (test_bit(FLAG_PULL_DOWN, &desc->flags))
lineinfo.flags |= GPIOLINE_FLAG_PULL_DOWN;
if (test_bit(FLAG_PULL_UP, &desc->flags))
lineinfo.flags |= GPIOLINE_FLAG_PULL_UP;
if (copy_to_user(ip, &lineinfo, sizeof(lineinfo)))
return -EFAULT;
@ -2795,8 +2785,6 @@ static bool gpiod_free_commit(struct gpio_desc *desc)
clear_bit(FLAG_REQUESTED, &desc->flags);
clear_bit(FLAG_OPEN_DRAIN, &desc->flags);
clear_bit(FLAG_OPEN_SOURCE, &desc->flags);
clear_bit(FLAG_PULL_UP, &desc->flags);
clear_bit(FLAG_PULL_DOWN, &desc->flags);
clear_bit(FLAG_IS_HOGGED, &desc->flags);
ret = true;
}

4
include/uapi/linux/gpio.h
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@ -33,8 +33,6 @@ struct gpiochip_info {
#define GPIOLINE_FLAG_ACTIVE_LOW (1UL << 2)
#define GPIOLINE_FLAG_OPEN_DRAIN (1UL << 3)
#define GPIOLINE_FLAG_OPEN_SOURCE (1UL << 4)
#define GPIOLINE_FLAG_PULL_UP (1UL << 5)
#define GPIOLINE_FLAG_PULL_DOWN (1UL << 6)
/**
* struct gpioline_info - Information about a certain GPIO line
@ -64,8 +62,6 @@ struct gpioline_info {
#define GPIOHANDLE_REQUEST_ACTIVE_LOW (1UL << 2)
#define GPIOHANDLE_REQUEST_OPEN_DRAIN (1UL << 3)
#define GPIOHANDLE_REQUEST_OPEN_SOURCE (1UL << 4)
#define GPIOHANDLE_REQUEST_PULL_UP (1UL << 5)
#define GPIOHANDLE_REQUEST_PULL_DOWN (1UL << 6)
/**
* struct gpiohandle_request - Information about a GPIO handle request