[PATCH 8/8] tty: Convert hw_stopped in tty_struct to bool

Ulf Hansson ulf.hansson at linaro.org
Thu Mar 9 06:58:18 PST 2023


On Thu, 9 Mar 2023 at 09:22, Ilpo Järvinen
<ilpo.jarvinen at linux.intel.com> wrote:
>
> hw_stopped in tty_struct is used like bool, convert the variable type
> to bool.
>
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen at linux.intel.com>

Acked-by: Ulf Hansson <ulf.hansson at linaro.org> # For MMC

Kind regards
Uffe

> ---
>  drivers/char/pcmcia/synclink_cs.c |  6 +++---
>  drivers/mmc/core/sdio_uart.c      | 10 +++++-----
>  drivers/tty/amiserial.c           |  6 +++---
>  drivers/tty/mxser.c               |  6 +++---
>  drivers/tty/synclink_gt.c         |  6 +++---
>  include/linux/tty.h               |  2 +-
>  6 files changed, 18 insertions(+), 18 deletions(-)
>
> diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c
> index 6ddfeb2fe98f..97c5bfb9d58a 100644
> --- a/drivers/char/pcmcia/synclink_cs.c
> +++ b/drivers/char/pcmcia/synclink_cs.c
> @@ -1060,7 +1060,7 @@ static void cts_change(MGSLPC_INFO *info, struct tty_struct *tty)
>                         if (info->serial_signals & SerialSignal_CTS) {
>                                 if (debug_level >= DEBUG_LEVEL_ISR)
>                                         printk("CTS tx start...");
> -                               tty->hw_stopped = 0;
> +                               tty->hw_stopped = false;
>                                 tx_start(info, tty);
>                                 info->pending_bh |= BH_TRANSMIT;
>                                 return;
> @@ -1069,7 +1069,7 @@ static void cts_change(MGSLPC_INFO *info, struct tty_struct *tty)
>                         if (!(info->serial_signals & SerialSignal_CTS)) {
>                                 if (debug_level >= DEBUG_LEVEL_ISR)
>                                         printk("CTS tx stop...");
> -                               tty->hw_stopped = 1;
> +                               tty->hw_stopped = true;
>                                 tx_stop(info);
>                         }
>                 }
> @@ -2312,7 +2312,7 @@ static void mgslpc_set_termios(struct tty_struct *tty,
>
>         /* Handle turning off CRTSCTS */
>         if (old_termios->c_cflag & CRTSCTS && !C_CRTSCTS(tty)) {
> -               tty->hw_stopped = 0;
> +               tty->hw_stopped = false;
>                 tx_release(tty);
>         }
>  }
> diff --git a/drivers/mmc/core/sdio_uart.c b/drivers/mmc/core/sdio_uart.c
> index 50536fe59f1a..aa659758563f 100644
> --- a/drivers/mmc/core/sdio_uart.c
> +++ b/drivers/mmc/core/sdio_uart.c
> @@ -478,13 +478,13 @@ static void sdio_uart_check_modem_status(struct sdio_uart_port *port)
>                         int cts = (status & UART_MSR_CTS);
>                         if (tty->hw_stopped) {
>                                 if (cts) {
> -                                       tty->hw_stopped = 0;
> +                                       tty->hw_stopped = false;
>                                         sdio_uart_start_tx(port);
>                                         tty_wakeup(tty);
>                                 }
>                         } else {
>                                 if (!cts) {
> -                                       tty->hw_stopped = 1;
> +                                       tty->hw_stopped = true;
>                                         sdio_uart_stop_tx(port);
>                                 }
>                         }
> @@ -633,7 +633,7 @@ static int sdio_uart_activate(struct tty_port *tport, struct tty_struct *tty)
>
>         if (C_CRTSCTS(tty))
>                 if (!(sdio_uart_get_mctrl(port) & TIOCM_CTS))
> -                       tty->hw_stopped = 1;
> +                       tty->hw_stopped = true;
>
>         clear_bit(TTY_IO_ERROR, &tty->flags);
>
> @@ -882,14 +882,14 @@ static void sdio_uart_set_termios(struct tty_struct *tty,
>
>         /* Handle turning off CRTSCTS */
>         if ((old_termios->c_cflag & CRTSCTS) && !(cflag & CRTSCTS)) {
> -               tty->hw_stopped = 0;
> +               tty->hw_stopped = false;
>                 sdio_uart_start_tx(port);
>         }
>
>         /* Handle turning on CRTSCTS */
>         if (!(old_termios->c_cflag & CRTSCTS) && (cflag & CRTSCTS)) {
>                 if (!(sdio_uart_get_mctrl(port) & TIOCM_CTS)) {
> -                       tty->hw_stopped = 1;
> +                       tty->hw_stopped = true;
>                         sdio_uart_stop_tx(port);
>                 }
>         }
> diff --git a/drivers/tty/amiserial.c b/drivers/tty/amiserial.c
> index d7515d61659e..c06ad0a0744b 100644
> --- a/drivers/tty/amiserial.c
> +++ b/drivers/tty/amiserial.c
> @@ -347,7 +347,7 @@ static void check_modem_status(struct serial_state *info)
>  #if (defined(SERIAL_DEBUG_INTR) || defined(SERIAL_DEBUG_FLOW))
>                                 printk("CTS tx start...");
>  #endif
> -                               port->tty->hw_stopped = 0;
> +                               port->tty->hw_stopped = false;
>                                 info->IER |= UART_IER_THRI;
>                                 amiga_custom.intena = IF_SETCLR | IF_TBE;
>                                 mb();
> @@ -362,7 +362,7 @@ static void check_modem_status(struct serial_state *info)
>  #if (defined(SERIAL_DEBUG_INTR) || defined(SERIAL_DEBUG_FLOW))
>                                 printk("CTS tx stop...");
>  #endif
> -                               port->tty->hw_stopped = 1;
> +                               port->tty->hw_stopped = true;
>                                 info->IER &= ~UART_IER_THRI;
>                                 /* disable Tx interrupt and remove any pending interrupts */
>                                 amiga_custom.intena = IF_TBE;
> @@ -1197,7 +1197,7 @@ static void rs_set_termios(struct tty_struct *tty, const struct ktermios *old_te
>
>         /* Handle turning off CRTSCTS */
>         if ((old_termios->c_cflag & CRTSCTS) && !C_CRTSCTS(tty)) {
> -               tty->hw_stopped = 0;
> +               tty->hw_stopped = false;
>                 rs_start(tty);
>         }
>
> diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c
> index ef3116e87975..10855e66fda1 100644
> --- a/drivers/tty/mxser.c
> +++ b/drivers/tty/mxser.c
> @@ -553,7 +553,7 @@ static void mxser_handle_cts(struct tty_struct *tty, struct mxser_port *info,
>
>         if (tty->hw_stopped) {
>                 if (cts) {
> -                       tty->hw_stopped = 0;
> +                       tty->hw_stopped = false;
>
>                         if (!mxser_16550A_or_MUST(info))
>                                 __mxser_start_tx(info);
> @@ -563,7 +563,7 @@ static void mxser_handle_cts(struct tty_struct *tty, struct mxser_port *info,
>         } else if (cts)
>                 return;
>
> -       tty->hw_stopped = 1;
> +       tty->hw_stopped = true;
>         if (!mxser_16550A_or_MUST(info))
>                 __mxser_stop_tx(info);
>  }
> @@ -1361,7 +1361,7 @@ static void mxser_set_termios(struct tty_struct *tty,
>         spin_unlock_irqrestore(&info->slock, flags);
>
>         if ((old_termios->c_cflag & CRTSCTS) && !C_CRTSCTS(tty)) {
> -               tty->hw_stopped = 0;
> +               tty->hw_stopped = false;
>                 mxser_start(tty);
>         }
>
> diff --git a/drivers/tty/synclink_gt.c b/drivers/tty/synclink_gt.c
> index 33f258d6fef9..543b3224dce9 100644
> --- a/drivers/tty/synclink_gt.c
> +++ b/drivers/tty/synclink_gt.c
> @@ -730,7 +730,7 @@ static void set_termios(struct tty_struct *tty,
>
>         /* Handle turning off CRTSCTS */
>         if ((old_termios->c_cflag & CRTSCTS) && !C_CRTSCTS(tty)) {
> -               tty->hw_stopped = 0;
> +               tty->hw_stopped = false;
>                 tx_release(tty);
>         }
>  }
> @@ -1953,13 +1953,13 @@ static void cts_change(struct slgt_info *info, unsigned short status)
>                 if (info->port.tty) {
>                         if (info->port.tty->hw_stopped) {
>                                 if (info->signals & SerialSignal_CTS) {
> -                                       info->port.tty->hw_stopped = 0;
> +                                       info->port.tty->hw_stopped = false;
>                                         info->pending_bh |= BH_TRANSMIT;
>                                         return;
>                                 }
>                         } else {
>                                 if (!(info->signals & SerialSignal_CTS))
> -                                       info->port.tty->hw_stopped = 1;
> +                                       info->port.tty->hw_stopped = true;
>                         }
>                 }
>         }
> diff --git a/include/linux/tty.h b/include/linux/tty.h
> index 093935e97f42..60871a9d3212 100644
> --- a/include/linux/tty.h
> +++ b/include/linux/tty.h
> @@ -227,7 +227,7 @@ struct tty_struct {
>                 unsigned long unused[0];
>         } __aligned(sizeof(unsigned long)) ctrl;
>
> -       int hw_stopped;
> +       bool hw_stopped;
>         unsigned int receive_room;
>         int flow_change;
>
> --
> 2.30.2
>



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