diff options
Diffstat (limited to 'drivers/gpio/gpiolib.c')
| -rw-r--r-- | drivers/gpio/gpiolib.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index b81646982375..872774a404f1 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -380,17 +380,19 @@ static long gpio_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) * this GPIO so it can't use it. */ lineinfo.flags = 0; - if (desc->flags & (FLAG_REQUESTED | FLAG_IS_HOGGED | - FLAG_USED_AS_IRQ | FLAG_EXPORT | - FLAG_SYSFS)) + if (test_bit(FLAG_REQUESTED, &desc->flags) || + test_bit(FLAG_IS_HOGGED, &desc->flags) || + test_bit(FLAG_USED_AS_IRQ, &desc->flags) || + test_bit(FLAG_EXPORT, &desc->flags) || + test_bit(FLAG_SYSFS, &desc->flags)) lineinfo.flags |= GPIOLINE_FLAG_KERNEL; - if (desc->flags & FLAG_IS_OUT) + if (test_bit(FLAG_IS_OUT, &desc->flags)) lineinfo.flags |= GPIOLINE_FLAG_IS_OUT; - if (desc->flags & FLAG_ACTIVE_LOW) + if (test_bit(FLAG_ACTIVE_LOW, &desc->flags)) lineinfo.flags |= GPIOLINE_FLAG_ACTIVE_LOW; - if (desc->flags & FLAG_OPEN_DRAIN) + if (test_bit(FLAG_OPEN_DRAIN, &desc->flags)) lineinfo.flags |= GPIOLINE_FLAG_OPEN_DRAIN; - if (desc->flags & FLAG_OPEN_SOURCE) + if (test_bit(FLAG_OPEN_SOURCE, &desc->flags)) lineinfo.flags |= GPIOLINE_FLAG_OPEN_SOURCE; if (copy_to_user(ip, &lineinfo, sizeof(lineinfo))) |