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SubjectRe: [PATCH 08/10] tty/serial: Make ->dcd_change()+uart_handle_dcd_change() status bool
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On 04/01/23 16:15, Ilpo Järvinen wrote:
> Convert status parameter for ->dcd_change() and
> uart_handle_dcd_change() to bool which matches to how the parameter is
> used.
>
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
> ---
> drivers/pps/clients/pps-ldisc.c | 2 +-

Acked-by: Rodolfo Giometti <giometti@enneenne.com>

> drivers/tty/serial/serial_core.c | 4 ++--
> drivers/tty/serial/sunhv.c | 8 ++++----
> drivers/usb/serial/generic.c | 2 +-
> include/linux/serial_core.h | 3 +--
> include/linux/tty_ldisc.h | 4 ++--
> include/linux/usb/serial.h | 2 +-
> 7 files changed, 12 insertions(+), 13 deletions(-)
>
> diff --git a/drivers/pps/clients/pps-ldisc.c b/drivers/pps/clients/pps-ldisc.c
> index d73c4c2ed4e1..67aee758ac1d 100644
> --- a/drivers/pps/clients/pps-ldisc.c
> +++ b/drivers/pps/clients/pps-ldisc.c
> @@ -13,7 +13,7 @@
> #include <linux/pps_kernel.h>
> #include <linux/bug.h>
>
> -static void pps_tty_dcd_change(struct tty_struct *tty, unsigned int status)
> +static void pps_tty_dcd_change(struct tty_struct *tty, bool status)
> {
> struct pps_device *pps;
> struct pps_event_time ts;
> diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
> index 07b4af10a7e9..76536c74e907 100644
> --- a/drivers/tty/serial/serial_core.c
> +++ b/drivers/tty/serial/serial_core.c
> @@ -3250,11 +3250,11 @@ EXPORT_SYMBOL(uart_match_port);
> /**
> * uart_handle_dcd_change - handle a change of carrier detect state
> * @uport: uart_port structure for the open port
> - * @status: new carrier detect status, nonzero if active
> + * @status: new carrier detect status, true if active
> *
> * Caller must hold uport->lock.
> */
> -void uart_handle_dcd_change(struct uart_port *uport, unsigned int status)
> +void uart_handle_dcd_change(struct uart_port *uport, bool status)
> {
> struct tty_port *port = &uport->state->port;
> struct tty_struct *tty = port->tty;
> diff --git a/drivers/tty/serial/sunhv.c b/drivers/tty/serial/sunhv.c
> index 16c746a63258..7d38c33ef506 100644
> --- a/drivers/tty/serial/sunhv.c
> +++ b/drivers/tty/serial/sunhv.c
> @@ -87,10 +87,10 @@ static int receive_chars_getchar(struct uart_port *port)
>
> if (c == CON_HUP) {
> hung_up = 1;
> - uart_handle_dcd_change(port, 0);
> + uart_handle_dcd_change(port, false);
> } else if (hung_up) {
> hung_up = 0;
> - uart_handle_dcd_change(port, 1);
> + uart_handle_dcd_change(port, true);
> }
>
> if (port->state == NULL) {
> @@ -133,7 +133,7 @@ static int receive_chars_read(struct uart_port *port)
> bytes_read = 1;
> } else if (stat == CON_HUP) {
> hung_up = 1;
> - uart_handle_dcd_change(port, 0);
> + uart_handle_dcd_change(port, false);
> continue;
> } else {
> /* HV_EWOULDBLOCK, etc. */
> @@ -143,7 +143,7 @@ static int receive_chars_read(struct uart_port *port)
>
> if (hung_up) {
> hung_up = 0;
> - uart_handle_dcd_change(port, 1);
> + uart_handle_dcd_change(port, true);
> }
>
> if (port->sysrq != 0 && *con_read_page) {
> diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
> index 15b6dee3a8e5..50016ee1026a 100644
> --- a/drivers/usb/serial/generic.c
> +++ b/drivers/usb/serial/generic.c
> @@ -608,7 +608,7 @@ EXPORT_SYMBOL_GPL(usb_serial_handle_break);
> * @status: new carrier detect status, nonzero if active
> */
> void usb_serial_handle_dcd_change(struct usb_serial_port *port,
> - struct tty_struct *tty, unsigned int status)
> + struct tty_struct *tty, bool status)
> {
> dev_dbg(&port->dev, "%s - status %d\n", __func__, status);
>
> diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
> index fd59f600094a..f1b69a36bb2b 100644
> --- a/include/linux/serial_core.h
> +++ b/include/linux/serial_core.h
> @@ -896,8 +896,7 @@ static inline bool uart_softcts_mode(struct uart_port *uport)
> * The following are helper functions for the low level drivers.
> */
>
> -extern void uart_handle_dcd_change(struct uart_port *uport,
> - unsigned int status);
> +extern void uart_handle_dcd_change(struct uart_port *uport, bool status);
> extern void uart_handle_cts_change(struct uart_port *uport,
> unsigned int status);
>
> diff --git a/include/linux/tty_ldisc.h b/include/linux/tty_ldisc.h
> index dcb61ec11424..8f4a684973c9 100644
> --- a/include/linux/tty_ldisc.h
> +++ b/include/linux/tty_ldisc.h
> @@ -170,7 +170,7 @@ int ldsem_down_write_nested(struct ld_semaphore *sem, int subclass,
> * send, please arise a tasklet or workqueue to do the real data transfer.
> * Do not send data in this hook, it may lead to a deadlock.
> *
> - * @dcd_change: [DRV] ``void ()(struct tty_struct *tty, unsigned int status)``
> + * @dcd_change: [DRV] ``void ()(struct tty_struct *tty, bool status)``
> *
> * Tells the discipline that the DCD pin has changed its status. Used
> * exclusively by the %N_PPS (Pulse-Per-Second) line discipline.
> @@ -238,7 +238,7 @@ struct tty_ldisc_ops {
> void (*receive_buf)(struct tty_struct *tty, const unsigned char *cp,
> const char *fp, int count);
> void (*write_wakeup)(struct tty_struct *tty);
> - void (*dcd_change)(struct tty_struct *tty, unsigned int status);
> + void (*dcd_change)(struct tty_struct *tty, bool status);
> int (*receive_buf2)(struct tty_struct *tty, const unsigned char *cp,
> const char *fp, int count);
> void (*lookahead_buf)(struct tty_struct *tty, const unsigned char *cp,
> diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h
> index c597357853d9..6fa608cb4d98 100644
> --- a/include/linux/usb/serial.h
> +++ b/include/linux/usb/serial.h
> @@ -372,7 +372,7 @@ static inline int usb_serial_handle_break(struct usb_serial_port *port)
> #endif
>
> void usb_serial_handle_dcd_change(struct usb_serial_port *usb_port,
> - struct tty_struct *tty, unsigned int status);
> + struct tty_struct *tty, bool status);
>
>
> int usb_serial_bus_register(struct usb_serial_driver *device);

--
GNU/Linux Solutions e-mail: giometti@enneenne.com
Linux Device Driver giometti@linux.it
Embedded Systems phone: +39 349 2432127
UNIX programming skype: rodolfo.giometti

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