From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755506AbaIBWMd (ORCPT ); Tue, 2 Sep 2014 18:12:33 -0400 Received: from mailout32.mail01.mtsvc.net ([216.70.64.70]:33542 "EHLO n23.mail01.mtsvc.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755492AbaIBWMb (ORCPT ); Tue, 2 Sep 2014 18:12:31 -0400 From: Peter Hurley To: Greg Kroah-Hartman Cc: Jiri Slaby , One Thousand Gnomes , linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, Peter Hurley , Sonic Zhang Subject: [PATCH 19/26] serial: bfin-uart: Fix auto CTS Date: Tue, 2 Sep 2014 17:39:28 -0400 Message-Id: <1409693975-1028-20-git-send-email-peter@hurleysoftware.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1409693975-1028-1-git-send-email-peter@hurleysoftware.com> References: <1409693975-1028-1-git-send-email-peter@hurleysoftware.com> X-Authenticated-User: 990527 peter@hurleysoftware.com X-MT-ID: 8FA290C2A27252AACF65DBC4A42F3CE3735FB2A4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit 64851636d568ae9f167cd5d1dcdbfe17e6eef73c, serial: bfin-uart: Remove ASYNC_CTS_FLOW flag for hardware automatic CTS, open-codes uart_handle_cts_change() when CONFIG_SERIAL_BFIN_HARD_CTSRTS to skip start and stop tx. But the CTS interrupt handler _still_ calls uart_handle_cts_change(); only call uart_handle_cts_change() if !CONFIG_SERIAL_BFIN_HARD_CTSRTS. cc: Sonic Zhang Signed-off-by: Peter Hurley --- drivers/tty/serial/bfin_uart.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/tty/serial/bfin_uart.c b/drivers/tty/serial/bfin_uart.c index fc9fbf3..7da9911 100644 --- a/drivers/tty/serial/bfin_uart.c +++ b/drivers/tty/serial/bfin_uart.c @@ -122,8 +122,9 @@ static irqreturn_t bfin_serial_mctrl_cts_int(int irq, void *dev_id) if (!status) uport->hw_stopped = 1; } -#endif +#else uart_handle_cts_change(uport, status & TIOCM_CTS); +#endif return IRQ_HANDLED; } -- 2.1.0