[v4,11/12] tty: Call ->dtr_rts() parameter active consistently

Message ID	20230117090358.4796-12-ilpo.jarvinen@linux.intel.com
State	New
Headers	show Return-Path: <linux-mmc-owner@vger.kernel.org> From: =?utf-8?q?Ilpo_J=C3=A4rvinen?= <ilpo.jarvinen@linux.intel.com> To: linux-serial@vger.kernel.org, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Jiri Slaby <jirislaby@kernel.org>, Rodolfo Giometti <giometti@enneenne.com>, Ulf Hansson <ulf.hansson@linaro.org>, Johan Hovold <johan@kernel.org>, Samuel Iglesias Gonsalvez <siglesias@igalia.com>, Arnd Bergmann <arnd@arndb.de>, David Lin <dtwlin@gmail.com>, Alex Elder <elder@kernel.org>, Shawn Guo <shawnguo@kernel.org>, Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix Kernel Team <kernel@pengutronix.de>, Fabio Estevam <festevam@gmail.com>, NXP Linux Team <linux-imx@nxp.com>, Oliver Neukum <oneukum@suse.com>, linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org, greybus-dev@lists.linaro.org, linux-staging@lists.linux.dev, linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, linux-usb@vger.kernel.org Cc: =?utf-8?q?Ilpo_J=C3=A4rvinen?= <ilpo.jarvinen@linux.intel.com> Subject: [PATCH v4 11/12] tty: Call ->dtr_rts() parameter active consistently Date: Tue, 17 Jan 2023 11:03:57 +0200 Message-Id: <20230117090358.4796-12-ilpo.jarvinen@linux.intel.com> In-Reply-To: <20230117090358.4796-1-ilpo.jarvinen@linux.intel.com> References: <20230117090358.4796-1-ilpo.jarvinen@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk
Series	None \| expand [v4,06/12] tty: Convert ->carrier_raised() and callchains to bool [v4,07/12] tty: Convert ->dtr_rts() to take bool argument [v4,11/12] tty: Call ->dtr_rts() parameter active consistently

diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c index 46a0b586d234..1577eba6fe0e 100644 --- a/drivers/char/pcmcia/synclink_cs.c +++ b/drivers/char/pcmcia/synclink_cs.c @@ -378,7 +378,7 @@ static void async_mode(MGSLPC_INFO *info); static void tx_timeout(struct timer_list *t); static bool carrier_raised(struct tty_port *port); -static void dtr_rts(struct tty_port *port, bool onoff); +static void dtr_rts(struct tty_port *port, bool active); #if SYNCLINK_GENERIC_HDLC #define dev_to_port(D) (dev_to_hdlc(D)->priv) @@ -2442,13 +2442,13 @@ static bool carrier_raised(struct tty_port *port) return info->serial_signals & SerialSignal_DCD; } -static void dtr_rts(struct tty_port *port, bool onoff) +static void dtr_rts(struct tty_port *port, bool active) { MGSLPC_INFO *info = container_of(port, MGSLPC_INFO, port); unsigned long flags; spin_lock_irqsave(&info->lock, flags); - if (onoff) + if (active) info->serial_signals |= SerialSignal_RTS | SerialSignal_DTR; else info->serial_signals &= ~(SerialSignal_RTS | SerialSignal_DTR); diff --git a/drivers/mmc/core/sdio_uart.c b/drivers/mmc/core/sdio_uart.c index c6b4b2b2a4b2..50536fe59f1a 100644 --- a/drivers/mmc/core/sdio_uart.c +++ b/drivers/mmc/core/sdio_uart.c @@ -542,20 +542,20 @@ static bool uart_carrier_raised(struct tty_port *tport) /** * uart_dtr_rts - port helper to set uart signals * @tport: tty port to be updated - * @onoff: set to turn on DTR/RTS + * @active: set to turn on DTR/RTS * * Called by the tty port helpers when the modem signals need to be * adjusted during an open, close and hangup. */ -static void uart_dtr_rts(struct tty_port *tport, bool onoff) +static void uart_dtr_rts(struct tty_port *tport, bool active) { struct sdio_uart_port *port = container_of(tport, struct sdio_uart_port, port); int ret = sdio_uart_claim_func(port); if (ret) return; - if (!onoff) + if (!active) sdio_uart_clear_mctrl(port, TIOCM_DTR | TIOCM_RTS); else sdio_uart_set_mctrl(port, TIOCM_DTR | TIOCM_RTS); diff --git a/drivers/staging/greybus/uart.c b/drivers/staging/greybus/uart.c index 92d49740d5a4..20a34599859f 100644 --- a/drivers/staging/greybus/uart.c +++ b/drivers/staging/greybus/uart.c @@ -701,7 +701,7 @@ static int gb_tty_ioctl(struct tty_struct *tty, unsigned int cmd, return -ENOIOCTLCMD; } -static void gb_tty_dtr_rts(struct tty_port *port, bool on) +static void gb_tty_dtr_rts(struct tty_port *port, bool active) { struct gb_tty *gb_tty; u8 newctrl; @@ -709,7 +709,7 @@ static void gb_tty_dtr_rts(struct tty_port *port, bool on) gb_tty = container_of(port, struct gb_tty, port); newctrl = gb_tty->ctrlout; - if (on) + if (active) newctrl |= (GB_UART_CTRL_DTR | GB_UART_CTRL_RTS); else newctrl &= ~(GB_UART_CTRL_DTR | GB_UART_CTRL_RTS); diff --git a/drivers/tty/amiserial.c b/drivers/tty/amiserial.c index 29d4c554f6b8..d7515d61659e 100644 --- a/drivers/tty/amiserial.c +++ b/drivers/tty/amiserial.c @@ -1459,13 +1459,13 @@ static bool amiga_carrier_raised(struct tty_port *port) return !(ciab.pra & SER_DCD); } -static void amiga_dtr_rts(struct tty_port *port, bool raise) +static void amiga_dtr_rts(struct tty_port *port, bool active) { struct serial_state *info = container_of(port, struct serial_state, tport); unsigned long flags; - if (raise) + if (active) info->MCR |= SER_DTR|SER_RTS; else info->MCR &= ~(SER_DTR|SER_RTS); diff --git a/drivers/tty/hvc/hvc_console.h b/drivers/tty/hvc/hvc_console.h index 6d3428bf868f..9668f821db01 100644 --- a/drivers/tty/hvc/hvc_console.h +++ b/drivers/tty/hvc/hvc_console.h @@ -66,7 +66,7 @@ struct hv_ops { int (*tiocmset)(struct hvc_struct *hp, unsigned int set, unsigned int clear); /* Callbacks to handle tty ports */ - void (*dtr_rts)(struct hvc_struct *hp, bool raise); + void (*dtr_rts)(struct hvc_struct *hp, bool active); }; /* Register a vterm and a slot index for use as a console (console_init) */ diff --git a/drivers/tty/hvc/hvc_iucv.c b/drivers/tty/hvc/hvc_iucv.c index fe862a6882d6..543f35ddf523 100644 --- a/drivers/tty/hvc/hvc_iucv.c +++ b/drivers/tty/hvc/hvc_iucv.c @@ -658,13 +658,13 @@ static void hvc_iucv_notifier_hangup(struct hvc_struct *hp, int id) /** * hvc_iucv_dtr_rts() - HVC notifier for handling DTR/RTS * @hp: Pointer the HVC device (struct hvc_struct) - * @raise: True to raise or false to lower DTR/RTS lines + * @active: True to raise or false to lower DTR/RTS lines * * This routine notifies the HVC back-end to raise or lower DTR/RTS * lines. Raising DTR/RTS is ignored. Lowering DTR/RTS indicates to * drop the IUCV connection (similar to hang up the modem). */ -static void hvc_iucv_dtr_rts(struct hvc_struct *hp, bool raise) +static void hvc_iucv_dtr_rts(struct hvc_struct *hp, bool active) { struct hvc_iucv_private *priv; struct iucv_path *path; @@ -672,7 +672,7 @@ static void hvc_iucv_dtr_rts(struct hvc_struct *hp, bool raise) /* Raising the DTR/RTS is ignored as IUCV connections can be * established at any times. */ - if (raise) + if (active) return; priv = hvc_iucv_get_private(hp->vtermno); diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c index d4fb11e39bb1..ef3116e87975 100644 --- a/drivers/tty/mxser.c +++ b/drivers/tty/mxser.c @@ -465,7 +465,7 @@ static bool mxser_carrier_raised(struct tty_port *port) return inb(mp->ioaddr + UART_MSR) & UART_MSR_DCD; } -static void mxser_dtr_rts(struct tty_port *port, bool on) +static void mxser_dtr_rts(struct tty_port *port, bool active) { struct mxser_port *mp = container_of(port, struct mxser_port, port); unsigned long flags; @@ -473,7 +473,7 @@ static void mxser_dtr_rts(struct tty_port *port, bool on) spin_lock_irqsave(&mp->slock, flags); mcr = inb(mp->ioaddr + UART_MCR); - if (on) + if (active) mcr |= UART_MCR_DTR | UART_MCR_RTS; else mcr &= ~(UART_MCR_DTR | UART_MCR_RTS); diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c index 8dd0d6441c42..4f29b00f2645 100644 --- a/drivers/tty/n_gsm.c +++ b/drivers/tty/n_gsm.c @@ -3792,11 +3792,11 @@ static bool gsm_carrier_raised(struct tty_port *port) return dlci->modem_rx & TIOCM_CD; } -static void gsm_dtr_rts(struct tty_port *port, bool onoff) +static void gsm_dtr_rts(struct tty_port *port, bool active) { struct gsm_dlci *dlci = container_of(port, struct gsm_dlci, port); unsigned int modem_tx = dlci->modem_tx; - if (onoff) + if (active) modem_tx |= TIOCM_DTR | TIOCM_RTS; else modem_tx &= ~(TIOCM_DTR | TIOCM_RTS); diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index b8fff667d4f0..da4e4e8a2b50 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -169,9 +169,9 @@ uart_update_mctrl(struct uart_port *port, unsigned int set, unsigned int clear) #define uart_set_mctrl(port, set) uart_update_mctrl(port, set, 0) #define uart_clear_mctrl(port, clear) uart_update_mctrl(port, 0, clear) -static void uart_port_dtr_rts(struct uart_port *uport, bool raise) +static void uart_port_dtr_rts(struct uart_port *uport, bool active) { - if (raise) + if (active) uart_set_mctrl(uport, TIOCM_DTR | TIOCM_RTS); else uart_clear_mctrl(uport, TIOCM_DTR | TIOCM_RTS); @@ -1885,7 +1885,7 @@ static bool uart_carrier_raised(struct tty_port *port) return mctrl & TIOCM_CAR; } -static void uart_dtr_rts(struct tty_port *port, bool raise) +static void uart_dtr_rts(struct tty_port *port, bool active) { struct uart_state *state = container_of(port, struct uart_state, port); struct uart_port *uport; @@ -1893,7 +1893,7 @@ static void uart_dtr_rts(struct tty_port *port, bool raise) uport = uart_port_ref(state); if (!uport) return; - uart_port_dtr_rts(uport, raise); + uart_port_dtr_rts(uport, active); uart_port_deref(uport); } diff --git a/drivers/tty/synclink_gt.c b/drivers/tty/synclink_gt.c index 2b786265ce7b..33f258d6fef9 100644 --- a/drivers/tty/synclink_gt.c +++ b/drivers/tty/synclink_gt.c @@ -3138,13 +3138,13 @@ static bool carrier_raised(struct tty_port *port) return info->signals & SerialSignal_DCD; } -static void dtr_rts(struct tty_port *port, bool on) +static void dtr_rts(struct tty_port *port, bool active) { unsigned long flags; struct slgt_info *info = container_of(port, struct slgt_info, port); spin_lock_irqsave(&info->lock,flags); - if (on) + if (active) info->signals |= SerialSignal_RTS | SerialSignal_DTR; else info->signals &= ~(SerialSignal_RTS | SerialSignal_DTR); diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index d4f9220b8162..11da5fb284d0 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -651,13 +651,13 @@ static int acm_tty_open(struct tty_struct *tty, struct file *filp) return tty_port_open(&acm->port, tty, filp); } -static void acm_port_dtr_rts(struct tty_port *port, bool raise) +static void acm_port_dtr_rts(struct tty_port *port, bool active) { struct acm *acm = container_of(port, struct acm, port); int val; int res; - if (raise) + if (active) val = USB_CDC_CTRL_DTR | USB_CDC_CTRL_RTS; else val = 0; diff --git a/include/linux/tty_port.h b/include/linux/tty_port.h index c44e489de0ff..edf685a24f7c 100644 --- a/include/linux/tty_port.h +++ b/include/linux/tty_port.h @@ -16,7 +16,7 @@ struct tty_struct; /** * struct tty_port_operations -- operations on tty_port * @carrier_raised: return true if the carrier is raised on @port - * @dtr_rts: raise the DTR line if @raise is true, otherwise lower DTR + * @dtr_rts: raise the DTR line if @active is true, otherwise lower DTR * @shutdown: called when the last close completes or a hangup finishes IFF the * port was initialized. Do not use to free resources. Turn off the device * only. Called under the port mutex to serialize against @activate and @@ -32,7 +32,7 @@ struct tty_struct; */ struct tty_port_operations { bool (*carrier_raised)(struct tty_port *port); - void (*dtr_rts)(struct tty_port *port, bool raise); + void (*dtr_rts)(struct tty_port *port, bool active); void (*shutdown)(struct tty_port *port); int (*activate)(struct tty_port *port, struct tty_struct *tty); void (*destruct)(struct tty_port *port);

[v4,11/12] tty: Call ->dtr_rts() parameter active consistently

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