From patchwork Tue Mar 2 06:21:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiri Slaby X-Patchwork-Id: 1446414 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=sparclinux-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4DqyVk55Cfz9sSC for ; Wed, 3 Mar 2021 13:24:14 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349258AbhCCCT6 (ORCPT ); Tue, 2 Mar 2021 21:19:58 -0500 Received: from mx2.suse.de ([195.135.220.15]:39624 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1835876AbhCBGYT (ORCPT ); Tue, 2 Mar 2021 01:24:19 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id E3224B02C; Tue, 2 Mar 2021 06:22:19 +0000 (UTC) From: Jiri Slaby To: gregkh@linuxfoundation.org Cc: linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, Jiri Slaby , "David S. Miller" , sparclinux@vger.kernel.org Subject: [PATCH 26/44] tty: vcc, drop version dump Date: Tue, 2 Mar 2021 07:21:56 +0100 Message-Id: <20210302062214.29627-26-jslaby@suse.cz> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210302062214.29627-1-jslaby@suse.cz> References: <20210302062214.29627-1-jslaby@suse.cz> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: sparclinux@vger.kernel.org The version number is artificial, no need to dump it to logs during initialization. Signed-off-by: Jiri Slaby Cc: "David S. Miller" Cc: --- drivers/tty/vcc.c | 11 +---------- 1 file changed, 1 insertion(+), 10 deletions(-) diff --git a/drivers/tty/vcc.c b/drivers/tty/vcc.c index 50bf9011a0c4..31b8a9a77375 100644 --- a/drivers/tty/vcc.c +++ b/drivers/tty/vcc.c @@ -14,16 +14,9 @@ #include #include -#define DRV_MODULE_NAME "vcc" -#define DRV_MODULE_VERSION "1.1" -#define DRV_MODULE_RELDATE "July 1, 2017" - -static char version[] = - DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")"; - MODULE_DESCRIPTION("Sun LDOM virtual console concentrator driver"); MODULE_LICENSE("GPL"); -MODULE_VERSION(DRV_MODULE_VERSION); +MODULE_VERSION("1.1"); struct vcc_port { struct vio_driver_state vio; @@ -1066,8 +1059,6 @@ static int vcc_tty_init(void) { int rv; - pr_info("VCC: %s\n", version); - vcc_tty_driver = tty_alloc_driver(VCC_MAX_PORTS, VCC_TTY_FLAGS); if (IS_ERR(vcc_tty_driver)) { pr_err("VCC: TTY driver alloc failed\n"); From patchwork Tue Mar 2 06:21:57 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiri Slaby X-Patchwork-Id: 1446418 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=sparclinux-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4DqzJg6yH8z9sSC for ; Wed, 3 Mar 2021 14:00:35 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231326AbhCCC2a (ORCPT ); Tue, 2 Mar 2021 21:28:30 -0500 Received: from mx2.suse.de ([195.135.220.15]:39914 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1835889AbhCBGYp (ORCPT ); Tue, 2 Mar 2021 01:24:45 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 146BCB02D; Tue, 2 Mar 2021 06:22:20 +0000 (UTC) From: Jiri Slaby To: gregkh@linuxfoundation.org Cc: linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, Jiri Slaby , "David S. Miller" , sparclinux@vger.kernel.org Subject: [PATCH 27/44] tty: vcc, use name strings directly Date: Tue, 2 Mar 2021 07:21:57 +0100 Message-Id: <20210302062214.29627-27-jslaby@suse.cz> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210302062214.29627-1-jslaby@suse.cz> References: <20210302062214.29627-1-jslaby@suse.cz> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: sparclinux@vger.kernel.org Do not define global variables for driver/device names, use the strings directly. Signed-off-by: Jiri Slaby Cc: "David S. Miller" Cc: sparclinux@vger.kernel.org --- drivers/tty/vcc.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/tty/vcc.c b/drivers/tty/vcc.c index 31b8a9a77375..a6cdbd170a61 100644 --- a/drivers/tty/vcc.c +++ b/drivers/tty/vcc.c @@ -52,8 +52,6 @@ struct vcc_port { #define VCC_CTL_BREAK -1 #define VCC_CTL_HUP -2 -static const char vcc_driver_name[] = "vcc"; -static const char vcc_device_node[] = "vcc"; static struct tty_driver *vcc_tty_driver; static struct vcc_port *vcc_table[VCC_MAX_PORTS]; @@ -1065,8 +1063,8 @@ static int vcc_tty_init(void) return PTR_ERR(vcc_tty_driver); } - vcc_tty_driver->driver_name = vcc_driver_name; - vcc_tty_driver->name = vcc_device_node; + vcc_tty_driver->driver_name = "vcc"; + vcc_tty_driver->name = "vcc"; vcc_tty_driver->minor_start = VCC_MINOR_START; vcc_tty_driver->type = TTY_DRIVER_TYPE_SYSTEM; From patchwork Tue Mar 2 06:21:58 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiri Slaby X-Patchwork-Id: 1446416 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=sparclinux-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4Dqz3W6wMWz9sSC for ; Wed, 3 Mar 2021 13:49:11 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231655AbhCCC2I (ORCPT ); Tue, 2 Mar 2021 21:28:08 -0500 Received: from mx2.suse.de ([195.135.220.15]:39916 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1835890AbhCBGYp (ORCPT ); Tue, 2 Mar 2021 01:24:45 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 3FE4CB02E; Tue, 2 Mar 2021 06:22:20 +0000 (UTC) From: Jiri Slaby To: gregkh@linuxfoundation.org Cc: linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, Jiri Slaby , "David S. Miller" , sparclinux@vger.kernel.org Subject: [PATCH 28/44] tty: vcc, remove useless tty checks Date: Tue, 2 Mar 2021 07:21:58 +0100 Message-Id: <20210302062214.29627-28-jslaby@suse.cz> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210302062214.29627-1-jslaby@suse.cz> References: <20210302062214.29627-1-jslaby@suse.cz> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: sparclinux@vger.kernel.org All these functions are called with a valid tty pointer, no need to check that. Signed-off-by: Jiri Slaby Cc: "David S. Miller" Cc: sparclinux@vger.kernel.org --- drivers/tty/vcc.c | 45 --------------------------------------------- 1 file changed, 45 deletions(-) diff --git a/drivers/tty/vcc.c b/drivers/tty/vcc.c index a6cdbd170a61..04a792749816 100644 --- a/drivers/tty/vcc.c +++ b/drivers/tty/vcc.c @@ -726,11 +726,6 @@ static int vcc_open(struct tty_struct *tty, struct file *vcc_file) { struct vcc_port *port; - if (unlikely(!tty)) { - pr_err("VCC: open: Invalid TTY handle\n"); - return -ENXIO; - } - if (tty->count > 1) return -EBUSY; @@ -764,11 +759,6 @@ static int vcc_open(struct tty_struct *tty, struct file *vcc_file) static void vcc_close(struct tty_struct *tty, struct file *vcc_file) { - if (unlikely(!tty)) { - pr_err("VCC: close: Invalid TTY handle\n"); - return; - } - if (unlikely(tty->count > 1)) return; @@ -796,11 +786,6 @@ static void vcc_hangup(struct tty_struct *tty) { struct vcc_port *port; - if (unlikely(!tty)) { - pr_err("VCC: hangup: Invalid TTY handle\n"); - return; - } - port = vcc_get_ne(tty->index); if (unlikely(!port)) { pr_err("VCC: hangup: Failed to find VCC port\n"); @@ -830,11 +815,6 @@ static int vcc_write(struct tty_struct *tty, const unsigned char *buf, int tosend = 0; int rv = -EINVAL; - if (unlikely(!tty)) { - pr_err("VCC: write: Invalid TTY handle\n"); - return -ENXIO; - } - port = vcc_get_ne(tty->index); if (unlikely(!port)) { pr_err("VCC: write: Failed to find VCC port"); @@ -895,11 +875,6 @@ static int vcc_write_room(struct tty_struct *tty) struct vcc_port *port; u64 num; - if (unlikely(!tty)) { - pr_err("VCC: write_room: Invalid TTY handle\n"); - return -ENXIO; - } - port = vcc_get_ne(tty->index); if (unlikely(!port)) { pr_err("VCC: write_room: Failed to find VCC port\n"); @@ -918,11 +893,6 @@ static int vcc_chars_in_buffer(struct tty_struct *tty) struct vcc_port *port; u64 num; - if (unlikely(!tty)) { - pr_err("VCC: chars_in_buffer: Invalid TTY handle\n"); - return -ENXIO; - } - port = vcc_get_ne(tty->index); if (unlikely(!port)) { pr_err("VCC: chars_in_buffer: Failed to find VCC port\n"); @@ -941,11 +911,6 @@ static int vcc_break_ctl(struct tty_struct *tty, int state) struct vcc_port *port; unsigned long flags; - if (unlikely(!tty)) { - pr_err("VCC: break_ctl: Invalid TTY handle\n"); - return -ENXIO; - } - port = vcc_get_ne(tty->index); if (unlikely(!port)) { pr_err("VCC: break_ctl: Failed to find VCC port\n"); @@ -976,11 +941,6 @@ static int vcc_install(struct tty_driver *driver, struct tty_struct *tty) struct tty_port *port_tty; int ret; - if (unlikely(!tty)) { - pr_err("VCC: install: Invalid TTY handle\n"); - return -ENXIO; - } - if (tty->index >= VCC_MAX_PORTS) return -EINVAL; @@ -1015,11 +975,6 @@ static void vcc_cleanup(struct tty_struct *tty) { struct vcc_port *port; - if (unlikely(!tty)) { - pr_err("VCC: cleanup: Invalid TTY handle\n"); - return; - } - port = vcc_get(tty->index, true); if (port) { port->tty = NULL;