From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753358AbZISVik (ORCPT ); Sat, 19 Sep 2009 17:38:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753318AbZISVii (ORCPT ); Sat, 19 Sep 2009 17:38:38 -0400 Received: from kroah.org ([198.145.64.141]:50918 "EHLO coco.kroah.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753301AbZISVih (ORCPT ); Sat, 19 Sep 2009 17:38:37 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Jiri Slaby , Alan Cox , Greg Kroah-Hartman Subject: [PATCH 11/79] cyclades: switch to tty_port_hangup Date: Sat, 19 Sep 2009 14:36:16 -0700 Message-Id: <1253396244-7885-11-git-send-email-gregkh@suse.de> X-Mailer: git-send-email 1.6.4.2 In-Reply-To: <20090919213345.GB7668@kroah.com> References: <20090919213345.GB7668@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jiri Slaby Do not duplicate common tty_port_hangup code. Use it instead. Also do not unset ASYNC_NORMAL_ACTIVE and wake up from the tty_hangup() caller. It makes no sense since we don't check that flag in sleepers. tty_port_hangup() performed later will do the right job. Signed-off-by: Jiri Slaby Signed-off-by: Alan Cox Signed-off-by: Greg Kroah-Hartman --- drivers/char/cyclades.c | 23 ++++++----------------- 1 files changed, 6 insertions(+), 17 deletions(-) diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c index 7a7092a..226175d 100644 --- a/drivers/char/cyclades.c +++ b/drivers/char/cyclades.c @@ -1290,11 +1290,10 @@ static void cyy_chip_modem(struct cyclades_card *cinfo, int chip, } if ((mdm_change & CyDCD) && (info->port.flags & ASYNC_CHECK_CD)) { - if (!(mdm_status & CyDCD)) { + if (mdm_status & CyDCD) + wake_up_interruptible(&info->port.open_wait); + else tty_hangup(tty); - info->port.flags &= ~ASYNC_NORMAL_ACTIVE; - } - wake_up_interruptible(&info->port.open_wait); } if ((mdm_change & CyCTS) && (info->port.flags & ASYNC_CTS_FLOW)) { if (tty->hw_stopped) { @@ -1655,13 +1654,10 @@ static void cyz_handle_cmd(struct cyclades_card *cinfo) if (info->port.flags & ASYNC_CHECK_CD) { u32 dcd = fw_ver > 241 ? param : readl(&info->u.cyz.ch_ctrl->rs_status); - if (dcd & C_RS_DCD) { + if (dcd & C_RS_DCD) wake_up_interruptible(&info->port.open_wait); - } else { + else tty_hangup(tty); - wake_up_interruptible(&info->port.open_wait); - info->port.flags &= ~ASYNC_NORMAL_ACTIVE; - } } break; case C_CM_MCTS: @@ -4009,14 +4005,7 @@ static void cy_hangup(struct tty_struct *tty) cy_flush_buffer(tty); cy_shutdown(info, tty); - info->port.count = 0; -#ifdef CY_DEBUG_COUNT - printk(KERN_DEBUG "cyc:cy_hangup (%d): setting count to 0\n", - current->pid); -#endif - tty_port_tty_set(&info->port, NULL); - info->port.flags &= ~ASYNC_NORMAL_ACTIVE; - wake_up_interruptible(&info->port.open_wait); + tty_port_hangup(&info->port); } /* cy_hangup */ static int cyy_carrier_raised(struct tty_port *port) -- 1.6.4.2