diff options
Diffstat (limited to 'include/linux/gpio/driver.h')
-rw-r--r-- | include/linux/gpio/driver.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index 656a27efb2c8..804ec45365b7 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h | |||
@@ -36,14 +36,15 @@ struct seq_file; | |||
36 | * @ngpio: the number of GPIOs handled by this controller; the last GPIO | 36 | * @ngpio: the number of GPIOs handled by this controller; the last GPIO |
37 | * handled is (base + ngpio - 1). | 37 | * handled is (base + ngpio - 1). |
38 | * @desc: array of ngpio descriptors. Private. | 38 | * @desc: array of ngpio descriptors. Private. |
39 | * @can_sleep: flag must be set iff get()/set() methods sleep, as they | ||
40 | * must while accessing GPIO expander chips over I2C or SPI | ||
41 | * @names: if set, must be an array of strings to use as alternative | 39 | * @names: if set, must be an array of strings to use as alternative |
42 | * names for the GPIOs in this chip. Any entry in the array | 40 | * names for the GPIOs in this chip. Any entry in the array |
43 | * may be NULL if there is no alias for the GPIO, however the | 41 | * may be NULL if there is no alias for the GPIO, however the |
44 | * array must be @ngpio entries long. A name can include a single printk | 42 | * array must be @ngpio entries long. A name can include a single printk |
45 | * format specifier for an unsigned int. It is substituted by the actual | 43 | * format specifier for an unsigned int. It is substituted by the actual |
46 | * number of the gpio. | 44 | * number of the gpio. |
45 | * @can_sleep: flag must be set iff get()/set() methods sleep, as they | ||
46 | * must while accessing GPIO expander chips over I2C or SPI | ||
47 | * @exported: flags if the gpiochip is exported for use from sysfs. Private. | ||
47 | * | 48 | * |
48 | * A gpio_chip can help platforms abstract various sources of GPIOs so | 49 | * A gpio_chip can help platforms abstract various sources of GPIOs so |
49 | * they can all be accessed through a common programing interface. | 50 | * they can all be accessed through a common programing interface. |
@@ -88,8 +89,8 @@ struct gpio_chip { | |||
88 | u16 ngpio; | 89 | u16 ngpio; |
89 | struct gpio_desc *desc; | 90 | struct gpio_desc *desc; |
90 | const char *const *names; | 91 | const char *const *names; |
91 | unsigned can_sleep:1; | 92 | bool can_sleep; |
92 | unsigned exported:1; | 93 | bool exported; |
93 | 94 | ||
94 | #if defined(CONFIG_OF_GPIO) | 95 | #if defined(CONFIG_OF_GPIO) |
95 | /* | 96 | /* |