[27/36] tty: propagate u8 data to tty_operations::write()

Message ID	20230810091510.13006-28-jirislaby@kernel.org
State	New
Headers	show Return-Path: <linux-serial-owner@vger.kernel.org> X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D8CAAC001B0 for <linux-serial@archiver.kernel.org>; Thu, 10 Aug 2023 09:18:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234900AbjHJJSF (ORCPT <rfc822;linux-serial@archiver.kernel.org>); Thu, 10 Aug 2023 05:18:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46546 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234969AbjHJJRL (ORCPT <rfc822;linux-serial@vger.kernel.org>); Thu, 10 Aug 2023 05:17:11 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E7DDE44AE; Thu, 10 Aug 2023 02:16:22 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 78AB265515; Thu, 10 Aug 2023 09:16:22 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3546FC433C8; Thu, 10 Aug 2023 09:16:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1691658981; bh=b0zy8crPJ9lcjI0vV8bmOYaKTP8nfAGhS/9pNHtLdJc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ijyq8WAu+RuujvAS/zYzS5YHjbnrwtdYAxprPHutfb1NHMqUNJ0+lcdZzksTseuAr cQcJp+pRK6LBbJYxBdQ9HfxiPzAmGraqIh2s4pWIhQM/aM5HeSHaP8yLkM9SdZHxRU p67D0HnNZuI6VZmEwusX5WarodVia+vDDStOl7A4LRWAcWExjxpUswC7gyF2dCPpj2 hihcdgMwPD+XkIFeaDVxYie+W1fPC8P8grXbgH37UdNHFlobq57SYnoHmMp19FWkkO PAapauj1M9MbtK7kO7NCptEdjpvVBnfaB+E4IQ5fe5Udrds/b5RMEoEnIDDu8NVzbW jeuRkmxwMWrXQ== From: "Jiri Slaby (SUSE)" <jirislaby@kernel.org> To: gregkh@linuxfoundation.org Cc: linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, "Jiri Slaby (SUSE)" <jirislaby@kernel.org>, Richard Henderson <richard.henderson@linaro.org>, Ivan Kokshaysky <ink@jurassic.park.msu.ru>, Matt Turner <mattst88@gmail.com>, Geert Uytterhoeven <geert@linux-m68k.org>, Richard Weinberger <richard@nod.at>, Anton Ivanov <anton.ivanov@cambridgegreys.com>, Johannes Berg <johannes@sipsolutions.net>, Chris Zankel <chris@zankel.net>, Max Filippov <jcmvbkbc@gmail.com>, Arnd Bergmann <arnd@arndb.de>, Vaibhav Gupta <vaibhavgupta40@gmail.com>, Jens Taprogge <jens.taprogge@taprogge.org>, Karsten Keil <isdn@linux-pingi.de>, Scott Branden <scott.branden@broadcom.com>, Ulf Hansson <ulf.hansson@linaro.org>, "David S. Miller" <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>, Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>, Heiko Carstens <hca@linux.ibm.com>, Vasily Gorbik <gor@linux.ibm.com>, Alexander Gordeev <agordeev@linux.ibm.com>, Christian Borntraeger <borntraeger@linux.ibm.com>, Sven Schnelle <svens@linux.ibm.com>, David Lin <dtwlin@gmail.com>, Johan Hovold <johan@kernel.org>, Alex Elder <elder@kernel.org>, Laurentiu Tudor <laurentiu.tudor@nxp.com>, Jiri Kosina <jikos@kernel.org>, David Sterba <dsterba@suse.com>, 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>, Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>, Oliver Neukum <oneukum@suse.com>, Mathias Nyman <mathias.nyman@intel.com>, Marcel Holtmann <marcel@holtmann.org>, Johan Hedberg <johan.hedberg@gmail.com>, Luiz Augusto von Dentz <luiz.dentz@gmail.com> Subject: [PATCH 27/36] tty: propagate u8 data to tty_operations::write() Date: Thu, 10 Aug 2023 11:15:01 +0200 Message-ID: <20230810091510.13006-28-jirislaby@kernel.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230810091510.13006-1-jirislaby@kernel.org> References: <20230810091510.13006-1-jirislaby@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: <linux-serial.vger.kernel.org> X-Mailing-List: linux-serial@vger.kernel.org
Series	tty: type unifications -- part I. \| expand [00/36] tty: type unifications -- part I. [02/36] tty: ldisc: document that ldops are optional [04/36] tty: n_null: remove optional ldops [07/36] tty: drop tty_debug_wait_until_sent() [08/36] tty: make tty_change_softcar() more understandable [09/36] tty: make tty_port_client_operations operate with u8 [12/36] tty: switch count in tty_ldisc_receive_buf() to size_t [14/36] tty: can327, move overflow test inside can327_ldisc_rx()'s loop [18/36] misc: ti-st: make st_recv() conforming to tty_ldisc_ops::receive_buf() [19/36] tty: make char_buf_ptr()/flag_buf_ptr()'s offset unsigned [20/36] tty: tty_buffer: make all offsets unsigned [23/36] tty: use min() in iterate_tty_write() [26/36] tty: use min() for size computation in iterate_tty_read() [27/36] tty: propagate u8 data to tty_operations::write() [30/36] tty: audit: unify to u8 [31/36] tty: ldops: unify to u8 [35/36] tty: hso: simplify hso_serial_write() [36/36] tty: rfcomm: convert counts to size_t

diff --git a/arch/alpha/kernel/srmcons.c b/arch/alpha/kernel/srmcons.c index 6dc952b0df4a..dea39008d93e 100644 --- a/arch/alpha/kernel/srmcons.c +++ b/arch/alpha/kernel/srmcons.c @@ -130,8 +130,7 @@ srmcons_do_write(struct tty_port *port, const char *buf, int count) } static int -srmcons_write(struct tty_struct *tty, - const unsigned char *buf, int count) +srmcons_write(struct tty_struct *tty, const u8 *buf, int count) { unsigned long flags; diff --git a/arch/m68k/emu/nfcon.c b/arch/m68k/emu/nfcon.c index 6fdc13610565..e7a21234b481 100644 --- a/arch/m68k/emu/nfcon.c +++ b/arch/m68k/emu/nfcon.c @@ -70,8 +70,7 @@ static void nfcon_tty_close(struct tty_struct *tty, struct file *filp) { } -static int nfcon_tty_write(struct tty_struct *tty, const unsigned char *buf, - int count) +static int nfcon_tty_write(struct tty_struct *tty, const u8 *buf, int count) { nfputs(buf, count); return count; diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c index 02b0befd6763..e5393b4ba9f8 100644 --- a/arch/um/drivers/line.c +++ b/arch/um/drivers/line.c @@ -184,7 +184,7 @@ void line_flush_chars(struct tty_struct *tty) line_flush_buffer(tty); } -int line_write(struct tty_struct *tty, const unsigned char *buf, int len) +int line_write(struct tty_struct *tty, const u8 *buf, int len) { struct line *line = tty->driver_data; unsigned long flags; diff --git a/arch/um/drivers/line.h b/arch/um/drivers/line.h index f15be75a3bf3..8354024b6b35 100644 --- a/arch/um/drivers/line.h +++ b/arch/um/drivers/line.h @@ -64,8 +64,7 @@ extern void line_cleanup(struct tty_struct *tty); extern void line_hangup(struct tty_struct *tty); extern int line_setup(char **conf, unsigned nlines, char **def, char *init, char *name); -extern int line_write(struct tty_struct *tty, const unsigned char *buf, - int len); +extern int line_write(struct tty_struct *tty, const u8 *buf, int len); extern unsigned int line_chars_in_buffer(struct tty_struct *tty); extern void line_flush_buffer(struct tty_struct *tty); extern void line_flush_chars(struct tty_struct *tty); diff --git a/arch/xtensa/platforms/iss/console.c b/arch/xtensa/platforms/iss/console.c index b40b73809dd8..182ec57e2d5c 100644 --- a/arch/xtensa/platforms/iss/console.c +++ b/arch/xtensa/platforms/iss/console.c @@ -52,8 +52,7 @@ static void rs_close(struct tty_struct *tty, struct file * filp) } -static int rs_write(struct tty_struct * tty, - const unsigned char *buf, int count) +static int rs_write(struct tty_struct * tty, const u8 *buf, int count) { /* see drivers/char/serialX.c to reference original version */ diff --git a/drivers/char/ttyprintk.c b/drivers/char/ttyprintk.c index ed45d04905c2..4f3dd93f1fd8 100644 --- a/drivers/char/ttyprintk.c +++ b/drivers/char/ttyprintk.c @@ -51,7 +51,7 @@ static void tpk_flush(void) } } -static int tpk_printk(const unsigned char *buf, int count) +static int tpk_printk(const u8 *buf, int count) { int i; @@ -103,8 +103,7 @@ static void tpk_close(struct tty_struct *tty, struct file *filp) /* * TTY operations write function. */ -static int tpk_write(struct tty_struct *tty, - const unsigned char *buf, int count) +static int tpk_write(struct tty_struct *tty, const u8 *buf, int count) { struct ttyprintk_port *tpkp = tty->driver_data; unsigned long flags; diff --git a/drivers/ipack/devices/ipoctal.c b/drivers/ipack/devices/ipoctal.c index a01c15812b70..c3cf086e7e36 100644 --- a/drivers/ipack/devices/ipoctal.c +++ b/drivers/ipack/devices/ipoctal.c @@ -437,8 +437,7 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr, } static inline int ipoctal_copy_write_buffer(struct ipoctal_channel *channel, - const unsigned char *buf, - int count) + const u8 *buf, int count) { unsigned long flags; int i; @@ -459,8 +458,7 @@ static inline int ipoctal_copy_write_buffer(struct ipoctal_channel *channel, return i; } -static int ipoctal_write_tty(struct tty_struct *tty, - const unsigned char *buf, int count) +static int ipoctal_write_tty(struct tty_struct *tty, const u8 *buf, int count) { struct ipoctal_channel *channel = tty->driver_data; unsigned int char_copied; diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c index 45a4043c5042..cf6daf79c1a2 100644 --- a/drivers/isdn/capi/capi.c +++ b/drivers/isdn/capi/capi.c @@ -1077,8 +1077,7 @@ static void capinc_tty_close(struct tty_struct *tty, struct file *filp) tty_port_close(&mp->port, tty, filp); } -static int capinc_tty_write(struct tty_struct *tty, - const unsigned char *buf, int count) +static int capinc_tty_write(struct tty_struct *tty, const u8 *buf, int count) { struct capiminor *mp = tty->driver_data; struct sk_buff *skb; diff --git a/drivers/misc/bcm-vk/bcm_vk_tty.c b/drivers/misc/bcm-vk/bcm_vk_tty.c index 6669625ba4c8..44851b607cce 100644 --- a/drivers/misc/bcm-vk/bcm_vk_tty.c +++ b/drivers/misc/bcm-vk/bcm_vk_tty.c @@ -186,9 +186,7 @@ static void bcm_vk_tty_doorbell(struct bcm_vk *vk, u32 db_val) VK_BAR0_REGSEG_DB_BASE + VK_BAR0_REGSEG_TTY_DB_OFFSET); } -static int bcm_vk_tty_write(struct tty_struct *tty, - const unsigned char *buffer, - int count) +static int bcm_vk_tty_write(struct tty_struct *tty, const u8 *buffer, int count) { int index; struct bcm_vk *vk; diff --git a/drivers/mmc/core/sdio_uart.c b/drivers/mmc/core/sdio_uart.c index aa659758563f..90d2fe00c0b9 100644 --- a/drivers/mmc/core/sdio_uart.c +++ b/drivers/mmc/core/sdio_uart.c @@ -760,8 +760,7 @@ static void sdio_uart_hangup(struct tty_struct *tty) tty_port_hangup(&port->port); } -static int sdio_uart_write(struct tty_struct *tty, const unsigned char *buf, - int count) +static int sdio_uart_write(struct tty_struct *tty, const u8 *buf, int count) { struct sdio_uart_port *port = tty->driver_data; int ret; diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c index ce1f6081d582..014a9d29bab5 100644 --- a/drivers/net/usb/hso.c +++ b/drivers/net/usb/hso.c @@ -1322,8 +1322,7 @@ static void hso_serial_close(struct tty_struct *tty, struct file *filp) } /* close the requested serial port */ -static int hso_serial_write(struct tty_struct *tty, const unsigned char *buf, - int count) +static int hso_serial_write(struct tty_struct *tty, const u8 *buf, int count) { struct hso_serial *serial = tty->driver_data; int space, tx_bytes; diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c index a1fef666c9b0..16b6f430dfd3 100644 --- a/drivers/s390/char/con3215.c +++ b/drivers/s390/char/con3215.c @@ -1021,8 +1021,7 @@ static unsigned int tty3215_write_room(struct tty_struct *tty) /* * String write routine for 3215 ttys */ -static int tty3215_write(struct tty_struct *tty, - const unsigned char *buf, int count) +static int tty3215_write(struct tty_struct *tty, const u8 *buf, int count) { handle_write(tty->driver_data, buf, count); return count; diff --git a/drivers/s390/char/con3270.c b/drivers/s390/char/con3270.c index d9983550062d..123524bff734 100644 --- a/drivers/s390/char/con3270.c +++ b/drivers/s390/char/con3270.c @@ -1803,8 +1803,7 @@ static void tty3270_do_write(struct tty3270 *tp, struct tty_struct *tty, /* * String write routine for 3270 ttys */ -static int tty3270_write(struct tty_struct *tty, - const unsigned char *buf, int count) +static int tty3270_write(struct tty_struct *tty, const u8 *buf, int count) { struct tty3270 *tp; diff --git a/drivers/s390/char/sclp_tty.c b/drivers/s390/char/sclp_tty.c index 971fbb52740b..cc0f6a97124e 100644 --- a/drivers/s390/char/sclp_tty.c +++ b/drivers/s390/char/sclp_tty.c @@ -230,7 +230,7 @@ static int sclp_tty_write_string(const unsigned char *str, int count, int may_fa * routine will return the number of characters actually accepted for writing. */ static int -sclp_tty_write(struct tty_struct *tty, const unsigned char *buf, int count) +sclp_tty_write(struct tty_struct *tty, const u8 *buf, int count) { if (sclp_tty_chars_count > 0) { sclp_tty_write_string(sclp_tty_chars, sclp_tty_chars_count, 0); diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c index a32f34a1c6d2..44974d801c1e 100644 --- a/drivers/s390/char/sclp_vt220.c +++ b/drivers/s390/char/sclp_vt220.c @@ -463,7 +463,7 @@ __sclp_vt220_write(const unsigned char *buf, int count, int do_schedule, * number of characters actually accepted for writing. */ static int -sclp_vt220_write(struct tty_struct *tty, const unsigned char *buf, int count) +sclp_vt220_write(struct tty_struct *tty, const u8 *buf, int count) { return __sclp_vt220_write(buf, count, 1, 0, 1); } diff --git a/drivers/staging/gdm724x/gdm_tty.c b/drivers/staging/gdm724x/gdm_tty.c index e1a84d6020f4..ae9978b73d9b 100644 --- a/drivers/staging/gdm724x/gdm_tty.c +++ b/drivers/staging/gdm724x/gdm_tty.c @@ -149,8 +149,7 @@ static void gdm_tty_send_complete(void *arg) tty_port_tty_wakeup(&gdm->port); } -static int gdm_tty_write(struct tty_struct *tty, const unsigned char *buf, - int len) +static int gdm_tty_write(struct tty_struct *tty, const u8 *buf, int len) { struct gdm *gdm = tty->driver_data; int remain = len; diff --git a/drivers/staging/greybus/uart.c b/drivers/staging/greybus/uart.c index 20a34599859f..97c7ddd0f53e 100644 --- a/drivers/staging/greybus/uart.c +++ b/drivers/staging/greybus/uart.c @@ -427,8 +427,7 @@ static void gb_tty_hangup(struct tty_struct *tty) tty_port_hangup(&gb_tty->port); } -static int gb_tty_write(struct tty_struct *tty, const unsigned char *buf, - int count) +static int gb_tty_write(struct tty_struct *tty, const u8 *buf, int count) { struct gb_tty *gb_tty = tty->driver_data; diff --git a/drivers/tty/amiserial.c b/drivers/tty/amiserial.c index c06ad0a0744b..1dd8b86f4a32 100644 --- a/drivers/tty/amiserial.c +++ b/drivers/tty/amiserial.c @@ -741,7 +741,7 @@ static void rs_flush_chars(struct tty_struct *tty) local_irq_restore(flags); } -static int rs_write(struct tty_struct * tty, const unsigned char *buf, int count) +static int rs_write(struct tty_struct * tty, const u8 *buf, int count) { int c, ret = 0; struct serial_state *info = tty->driver_data; diff --git a/drivers/tty/ehv_bytechan.c b/drivers/tty/ehv_bytechan.c index 8595483f4697..de36347e2145 100644 --- a/drivers/tty/ehv_bytechan.c +++ b/drivers/tty/ehv_bytechan.c @@ -466,8 +466,7 @@ static irqreturn_t ehv_bc_tty_tx_isr(int irq, void *data) * ehv_bc_tty_write_room() will never lie, so the tty layer will never send us * too much data. */ -static int ehv_bc_tty_write(struct tty_struct *ttys, const unsigned char *s, - int count) +static int ehv_bc_tty_write(struct tty_struct *ttys, const u8 *s, int count) { struct ehv_bc_data *bc = ttys->driver_data; unsigned long flags; diff --git a/drivers/tty/goldfish.c b/drivers/tty/goldfish.c index d02de3f0326f..faa597ffbaf9 100644 --- a/drivers/tty/goldfish.c +++ b/drivers/tty/goldfish.c @@ -125,8 +125,7 @@ static void goldfish_tty_rw(struct goldfish_tty *qtty, } } -static void goldfish_tty_do_write(int line, const char *buf, - unsigned int count) +static void goldfish_tty_do_write(int line, const u8 *buf, unsigned int count) { struct goldfish_tty *qtty = &goldfish_ttys[line]; unsigned long address = (unsigned long)(void *)buf; @@ -186,8 +185,7 @@ static void goldfish_tty_hangup(struct tty_struct *tty) tty_port_hangup(tty->port); } -static int goldfish_tty_write(struct tty_struct *tty, const unsigned char *buf, - int count) +static int goldfish_tty_write(struct tty_struct *tty, const u8 *buf, int count) { goldfish_tty_do_write(tty->index, buf, count); return count; diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c index 10c10cfdf92a..4c60d15c7a6f 100644 --- a/drivers/tty/hvc/hvc_console.c +++ b/drivers/tty/hvc/hvc_console.c @@ -496,7 +496,7 @@ static int hvc_push(struct hvc_struct *hp) return n; } -static int hvc_write(struct tty_struct *tty, const unsigned char *buf, int count) +static int hvc_write(struct tty_struct *tty, const u8 *buf, int count) { struct hvc_struct *hp = tty->driver_data; unsigned long flags; diff --git a/drivers/tty/hvc/hvcs.c b/drivers/tty/hvc/hvcs.c index 1de1a09bf82d..2465d61b4e76 100644 --- a/drivers/tty/hvc/hvcs.c +++ b/drivers/tty/hvc/hvcs.c @@ -1257,8 +1257,7 @@ static void hvcs_hangup(struct tty_struct * tty) * tty_hangup will allow hvcs_write time to complete execution before it * terminates our device. */ -static int hvcs_write(struct tty_struct *tty, - const unsigned char *buf, int count) +static int hvcs_write(struct tty_struct *tty, const u8 *buf, int count) { struct hvcs_struct *hvcsd = tty->driver_data; unsigned int unit_address; diff --git a/drivers/tty/hvc/hvsi.c b/drivers/tty/hvc/hvsi.c index c1b8a4fd8b1e..46dd62df2442 100644 --- a/drivers/tty/hvc/hvsi.c +++ b/drivers/tty/hvc/hvsi.c @@ -904,8 +904,7 @@ static unsigned int hvsi_chars_in_buffer(struct tty_struct *tty) return hp->n_outbuf; } -static int hvsi_write(struct tty_struct *tty, - const unsigned char *source, int count) +static int hvsi_write(struct tty_struct *tty, const u8 *source, int count) { struct hvsi_struct *hp = tty->driver_data; unsigned long flags; diff --git a/drivers/tty/ipwireless/hardware.c b/drivers/tty/ipwireless/hardware.c index f5d3e68f5750..001ec318a918 100644 --- a/drivers/tty/ipwireless/hardware.c +++ b/drivers/tty/ipwireless/hardware.c @@ -1292,7 +1292,7 @@ static void *alloc_ctrl_packet(int header_size, } int ipwireless_send_packet(struct ipw_hardware *hw, unsigned int channel_idx, - const unsigned char *data, unsigned int length, + const u8 *data, unsigned int length, void (*callback) (void *cb, unsigned int length), void *callback_data) { diff --git a/drivers/tty/ipwireless/tty.c b/drivers/tty/ipwireless/tty.c index 9edd5ae17580..cd43208c523c 100644 --- a/drivers/tty/ipwireless/tty.c +++ b/drivers/tty/ipwireless/tty.c @@ -186,8 +186,7 @@ static void ipw_write_packet_sent_callback(void *callback_data, tty->tx_bytes_queued -= packet_length; } -static int ipw_write(struct tty_struct *linux_tty, - const unsigned char *buf, int count) +static int ipw_write(struct tty_struct *linux_tty, const u8 *buf, int count) { struct ipw_tty *tty = linux_tty->driver_data; int room, ret; diff --git a/drivers/tty/mips_ejtag_fdc.c b/drivers/tty/mips_ejtag_fdc.c index e81701a66429..cf4ef0c38624 100644 --- a/drivers/tty/mips_ejtag_fdc.c +++ b/drivers/tty/mips_ejtag_fdc.c @@ -796,8 +796,8 @@ static void mips_ejtag_fdc_tty_hangup(struct tty_struct *tty) tty_port_hangup(tty->port); } -static int mips_ejtag_fdc_tty_write(struct tty_struct *tty, - const unsigned char *buf, int total) +static int mips_ejtag_fdc_tty_write(struct tty_struct *tty, const u8 *buf, + int total) { int count, block; struct mips_ejtag_fdc_tty_port *dport = tty->driver_data; diff --git a/drivers/tty/moxa.c b/drivers/tty/moxa.c index 42fa4c878b2e..d94cf1be651b 100644 --- a/drivers/tty/moxa.c +++ b/drivers/tty/moxa.c @@ -487,7 +487,7 @@ module_param(ttymajor, int, 0); */ static int moxa_open(struct tty_struct *, struct file *); static void moxa_close(struct tty_struct *, struct file *); -static int moxa_write(struct tty_struct *, const unsigned char *, int); +static int moxa_write(struct tty_struct *, const u8 *, int); static unsigned int moxa_write_room(struct tty_struct *); static void moxa_flush_buffer(struct tty_struct *); static unsigned int moxa_chars_in_buffer(struct tty_struct *); @@ -1499,8 +1499,7 @@ static void moxa_close(struct tty_struct *tty, struct file *filp) tty_port_close(&ch->port, tty, filp); } -static int moxa_write(struct tty_struct *tty, - const unsigned char *buf, int count) +static int moxa_write(struct tty_struct *tty, const u8 *buf, int count) { struct moxa_port *ch = tty->driver_data; unsigned long flags; @@ -2164,8 +2163,7 @@ static int MoxaPortLineStatus(struct moxa_port *port) return val; } -static int MoxaPortWriteData(struct tty_struct *tty, - const unsigned char *buffer, int len) +static int MoxaPortWriteData(struct tty_struct *tty, const u8 *buffer, int len) { struct moxa_port *port = tty->driver_data; void __iomem *baseAddr, *ofsAddr, *ofs; diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c index 10855e66fda1..8b4b8493fed5 100644 --- a/drivers/tty/mxser.c +++ b/drivers/tty/mxser.c @@ -901,7 +901,7 @@ static void mxser_close(struct tty_struct *tty, struct file *filp) tty_port_close(tty->port, tty, filp); } -static int mxser_write(struct tty_struct *tty, const unsigned char *buf, int count) +static int mxser_write(struct tty_struct *tty, const u8 *buf, int count) { struct mxser_port *info = tty->driver_data; unsigned long flags; diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c index a3bd1fc52aed..d167e36873fe 100644 --- a/drivers/tty/n_gsm.c +++ b/drivers/tty/n_gsm.c @@ -4256,8 +4256,7 @@ static void gsmtty_hangup(struct tty_struct *tty) gsm_dlci_begin_close(dlci); } -static int gsmtty_write(struct tty_struct *tty, const unsigned char *buf, - int len) +static int gsmtty_write(struct tty_struct *tty, const u8 *buf, int len) { int sent; struct gsm_dlci *dlci = tty->driver_data; diff --git a/drivers/tty/nozomi.c b/drivers/tty/nozomi.c index 0454c78deee6..b3756402f5d9 100644 --- a/drivers/tty/nozomi.c +++ b/drivers/tty/nozomi.c @@ -1599,8 +1599,7 @@ static void ntty_hangup(struct tty_struct *tty) * called when the userspace process writes to the tty (/dev/noz*). * Data is inserted into a fifo, which is then read and transferred to the modem. */ -static int ntty_write(struct tty_struct *tty, const unsigned char *buffer, - int count) +static int ntty_write(struct tty_struct *tty, const u8 *buffer, int count) { int rval = -EINVAL; struct nozomi *dc = get_dc_by_tty(tty); @@ -1610,7 +1609,7 @@ static int ntty_write(struct tty_struct *tty, const unsigned char *buffer, if (!dc || !port) return -ENODEV; - rval = kfifo_in(&port->fifo_ul, (unsigned char *)buffer, count); + rval = kfifo_in(&port->fifo_ul, buffer, count); spin_lock_irqsave(&dc->spin_mutex, flags); /* CTS is only valid on the modem channel */ diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c index 2b1c8ab99dba..335f5744f320 100644 --- a/drivers/tty/pty.c +++ b/drivers/tty/pty.c @@ -108,7 +108,7 @@ static void pty_unthrottle(struct tty_struct *tty) * the other side of the pty/tty pair. */ -static int pty_write(struct tty_struct *tty, const unsigned char *buf, int c) +static int pty_write(struct tty_struct *tty, const u8 *buf, int c) { struct tty_struct *to = tty->link; diff --git a/drivers/tty/serial/kgdb_nmi.c b/drivers/tty/serial/kgdb_nmi.c index 55c3c9db7462..2a04d19d5ec0 100644 --- a/drivers/tty/serial/kgdb_nmi.c +++ b/drivers/tty/serial/kgdb_nmi.c @@ -304,7 +304,7 @@ static unsigned int kgdb_nmi_tty_write_room(struct tty_struct *tty) return 2048; } -static int kgdb_nmi_tty_write(struct tty_struct *tty, const unchar *buf, int c) +static int kgdb_nmi_tty_write(struct tty_struct *tty, const u8 *buf, int c) { int i; diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index e31c9b6bd8ab..33df5b08d992 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -580,8 +580,7 @@ static void uart_flush_chars(struct tty_struct *tty) uart_start(tty); } -static int uart_write(struct tty_struct *tty, - const unsigned char *buf, int count) +static int uart_write(struct tty_struct *tty, const u8 *buf, int count) { struct uart_state *state = tty->driver_data; struct uart_port *port; diff --git a/drivers/tty/synclink_gt.c b/drivers/tty/synclink_gt.c index 4c6366fe015c..c7cecea38ca8 100644 --- a/drivers/tty/synclink_gt.c +++ b/drivers/tty/synclink_gt.c @@ -431,7 +431,7 @@ static void tx_set_idle(struct slgt_info *info); static unsigned int tbuf_bytes(struct slgt_info *info); static void reset_tbufs(struct slgt_info *info); static void tdma_reset(struct slgt_info *info); -static bool tx_load(struct slgt_info *info, const char *buf, unsigned int count); +static bool tx_load(struct slgt_info *info, const u8 *buf, unsigned int count); static void get_gtsignals(struct slgt_info *info); static void set_gtsignals(struct slgt_info *info); @@ -745,8 +745,7 @@ static void update_tx_timer(struct slgt_info *info) } } -static int write(struct tty_struct *tty, - const unsigned char *buf, int count) +static int write(struct tty_struct *tty, const u8 *buf, int count) { int ret = 0; struct slgt_info *info = tty->driver_data; @@ -4767,7 +4766,7 @@ static unsigned int tbuf_bytes(struct slgt_info *info) * load data into transmit DMA buffer ring and start transmitter if needed * return true if data accepted, otherwise false (buffers full) */ -static bool tx_load(struct slgt_info *info, const char *buf, unsigned int size) +static bool tx_load(struct slgt_info *info, const u8 *buf, unsigned int size) { unsigned short count; unsigned int i; diff --git a/drivers/tty/ttynull.c b/drivers/tty/ttynull.c index 1d4438472442..6b74ebaa0f2d 100644 --- a/drivers/tty/ttynull.c +++ b/drivers/tty/ttynull.c @@ -29,8 +29,7 @@ static void ttynull_hangup(struct tty_struct *tty) tty_port_hangup(&ttynull_port); } -static int ttynull_write(struct tty_struct *tty, const unsigned char *buf, - int count) +static int ttynull_write(struct tty_struct *tty, const u8 *buf, int count) { return count; } diff --git a/drivers/tty/vcc.c b/drivers/tty/vcc.c index 34ba6e54789a..c223879039b8 100644 --- a/drivers/tty/vcc.c +++ b/drivers/tty/vcc.c @@ -804,8 +804,7 @@ static void vcc_hangup(struct tty_struct *tty) tty_port_hangup(tty->port); } -static int vcc_write(struct tty_struct *tty, const unsigned char *buf, - int count) +static int vcc_write(struct tty_struct *tty, const u8 *buf, int count) { struct vcc_port *port; struct vio_vcc *pkt; diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index cf77011a8f4e..2f28612aee91 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -2845,7 +2845,7 @@ static int vc_con_write_normal(struct vc_data *vc, int tc, int c, } /* acquires console_lock */ -static int do_con_write(struct tty_struct *tty, const unsigned char *buf, int count) +static int do_con_write(struct tty_struct *tty, const u8 *buf, int count) { struct vc_draw_region draw = { .x = -1, @@ -3238,7 +3238,7 @@ int tioclinux(struct tty_struct *tty, unsigned long arg) * /dev/ttyN handling */ -static int con_write(struct tty_struct *tty, const unsigned char *buf, int count) +static int con_write(struct tty_struct *tty, const u8 *buf, int count) { int retval; diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 11da5fb284d0..913b07b30d33 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -789,8 +789,7 @@ static void acm_tty_close(struct tty_struct *tty, struct file *filp) tty_port_close(&acm->port, tty, filp); } -static int acm_tty_write(struct tty_struct *tty, - const unsigned char *buf, int count) +static int acm_tty_write(struct tty_struct *tty, const u8 *buf, int count) { struct acm *acm = tty->driver_data; int stat; diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c index 1115396b46a0..1d08a1d8d3cd 100644 --- a/drivers/usb/gadget/function/u_serial.c +++ b/drivers/usb/gadget/function/u_serial.c @@ -734,7 +734,7 @@ static void gs_close(struct tty_struct *tty, struct file *file) spin_unlock_irq(&port->port_lock); } -static int gs_write(struct tty_struct *tty, const unsigned char *buf, int count) +static int gs_write(struct tty_struct *tty, const u8 *buf, int count) { struct gs_port *port = tty->driver_data; unsigned long flags; diff --git a/drivers/usb/host/xhci-dbgtty.c b/drivers/usb/host/xhci-dbgtty.c index d3acc0829ee5..f5f2d0e12e69 100644 --- a/drivers/usb/host/xhci-dbgtty.c +++ b/drivers/usb/host/xhci-dbgtty.c @@ -208,9 +208,7 @@ static void dbc_tty_close(struct tty_struct *tty, struct file *file) tty_port_close(&port->port, tty, file); } -static int dbc_tty_write(struct tty_struct *tty, - const unsigned char *buf, - int count) +static int dbc_tty_write(struct tty_struct *tty, const u8 *buf, int count) { struct dbc_port *port = tty->driver_data; unsigned long flags; diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 7b4805c1004d..51f738ea3f77 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -361,8 +361,7 @@ static void serial_cleanup(struct tty_struct *tty) module_put(owner); } -static int serial_write(struct tty_struct *tty, const unsigned char *buf, - int count) +static int serial_write(struct tty_struct *tty, const u8 *buf, int count) { struct usb_serial_port *port = tty->driver_data; int retval = -ENODEV; diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h index e00034118c7b..a7bd8060ac96 100644 --- a/include/linux/tty_driver.h +++ b/include/linux/tty_driver.h @@ -356,8 +356,7 @@ struct tty_operations { void (*close)(struct tty_struct * tty, struct file * filp); void (*shutdown)(struct tty_struct *tty); void (*cleanup)(struct tty_struct *tty); - int (*write)(struct tty_struct * tty, - const unsigned char *buf, int count); + int (*write)(struct tty_struct *tty, const u8 *buf, int count); int (*put_char)(struct tty_struct *tty, unsigned char ch); void (*flush_chars)(struct tty_struct *tty); unsigned int (*write_room)(struct tty_struct *tty); diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c index d73eec146529..3b5f8404dc84 100644 --- a/net/bluetooth/rfcomm/tty.c +++ b/net/bluetooth/rfcomm/tty.c @@ -779,7 +779,7 @@ static void rfcomm_tty_close(struct tty_struct *tty, struct file *filp) tty_port_close(&dev->port, tty, filp); } -static int rfcomm_tty_write(struct tty_struct *tty, const unsigned char *buf, int count) +static int rfcomm_tty_write(struct tty_struct *tty, const u8 *buf, int count) { struct rfcomm_dev *dev = tty->driver_data; struct rfcomm_dlc *dlc = dev->dlc;

[27/36] tty: propagate u8 data to tty_operations::write()

Commit Message

Comments

Patch