diff options
Diffstat (limited to 'drivers/tty/serial/serial_mctrl_gpio.h')
| -rw-r--r-- | drivers/tty/serial/serial_mctrl_gpio.h | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/drivers/tty/serial/serial_mctrl_gpio.h b/drivers/tty/serial/serial_mctrl_gpio.h index fc76910fb105..961e4ba0c6f8 100644 --- a/drivers/tty/serial/serial_mctrl_gpio.h +++ b/drivers/tty/serial/serial_mctrl_gpio.h @@ -59,7 +59,7 @@ struct gpio_desc *mctrl_gpio_to_gpiod(struct mctrl_gpios *gpios, /* * Request and set direction of modem control line GPIOs and set up irq * handling. - * devm_* functions are used, so there's no need to call mctrl_gpio_free(). + * devm_* functions are used, so there's no need to explicitly free. * Returns a pointer to the allocated mctrl structure if ok, -ENOMEM on * allocation error. */ @@ -67,7 +67,7 @@ struct mctrl_gpios *mctrl_gpio_init(struct uart_port *port, unsigned int idx); /* * Request and set direction of modem control line GPIOs. - * devm_* functions are used, so there's no need to call mctrl_gpio_free(). + * devm_* functions are used, so there's no need to explicitly free. * Returns a pointer to the allocated mctrl structure if ok, -ENOMEM on * allocation error. */ @@ -75,21 +75,21 @@ struct mctrl_gpios *mctrl_gpio_init_noauto(struct device *dev, unsigned int idx); /* - * Free the mctrl_gpios structure. - * Normally, this function will not be called, as the GPIOs will - * be disposed of by the resource management code. + * Enable gpio interrupts to report status line changes. */ -void mctrl_gpio_free(struct device *dev, struct mctrl_gpios *gpios); +void mctrl_gpio_enable_ms(struct mctrl_gpios *gpios); /* - * Enable gpio interrupts to report status line changes. + * Disable gpio interrupts to report status line changes, and block until + * any corresponding IRQ is processed */ -void mctrl_gpio_enable_ms(struct mctrl_gpios *gpios); +void mctrl_gpio_disable_ms_sync(struct mctrl_gpios *gpios); /* - * Disable gpio interrupts to report status line changes. + * Disable gpio interrupts to report status line changes, and return + * immediately */ -void mctrl_gpio_disable_ms(struct mctrl_gpios *gpios); +void mctrl_gpio_disable_ms_no_sync(struct mctrl_gpios *gpios); /* * Enable gpio wakeup interrupts to enable wake up source. @@ -139,16 +139,15 @@ struct mctrl_gpios *mctrl_gpio_init_noauto(struct device *dev, unsigned int idx) return NULL; } -static inline -void mctrl_gpio_free(struct device *dev, struct mctrl_gpios *gpios) +static inline void mctrl_gpio_enable_ms(struct mctrl_gpios *gpios) { } -static inline void mctrl_gpio_enable_ms(struct mctrl_gpios *gpios) +static inline void mctrl_gpio_disable_ms_sync(struct mctrl_gpios *gpios) { } -static inline void mctrl_gpio_disable_ms(struct mctrl_gpios *gpios) +static inline void mctrl_gpio_disable_ms_no_sync(struct mctrl_gpios *gpios) { } |