From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:44982 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751260AbdJWPYJ (ORCPT ); Mon, 23 Oct 2017 11:24:09 -0400 Subject: patch "serial: omap: Fix EFR write on RTS deassertion" added to tty-next To: lukas@wunner.de, gregkh@linuxfoundation.org, peter@hurleysoftware.com, stable@vger.kernel.org From: Date: Mon, 23 Oct 2017 17:24:05 +0200 Message-ID: <150877224597140@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled serial: omap: Fix EFR write on RTS deassertion to my tty git tree which can be found at git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git in the tty-next branch. The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.) The patch will also be merged in the next major kernel release during the merge window. If you have any questions about this process, please let me know. >>From 2a71de2f7366fb1aec632116d0549ec56d6a3940 Mon Sep 17 00:00:00 2001 From: Lukas Wunner Date: Sat, 21 Oct 2017 10:50:18 +0200 Subject: serial: omap: Fix EFR write on RTS deassertion Commit 348f9bb31c56 ("serial: omap: Fix RTS handling") sought to enable auto RTS upon manual RTS assertion and disable it on deassertion. However it seems the latter was done incorrectly, it clears all bits in the Extended Features Register *except* auto RTS. Fixes: 348f9bb31c56 ("serial: omap: Fix RTS handling") Cc: Peter Hurley Cc: stable Signed-off-by: Lukas Wunner Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/omap-serial.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c index 7b183fc789c8..47ba9177a714 100644 --- a/drivers/tty/serial/omap-serial.c +++ b/drivers/tty/serial/omap-serial.c @@ -693,7 +693,7 @@ static void serial_omap_set_mctrl(struct uart_port *port, unsigned int mctrl) if ((mctrl & TIOCM_RTS) && (port->status & UPSTAT_AUTORTS)) up->efr |= UART_EFR_RTS; else - up->efr &= UART_EFR_RTS; + up->efr &= ~UART_EFR_RTS; serial_out(up, UART_EFR, up->efr); serial_out(up, UART_LCR, lcr); -- 2.14.2