From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Hurley Subject: [PATCH v2 06/14] serial: bfin-uart: Fix auto CTS Date: Wed, 10 Sep 2014 15:06:28 -0400 Message-ID: <1410375996-4693-7-git-send-email-peter@hurleysoftware.com> References: <1409693975-1028-1-git-send-email-peter@hurleysoftware.com> <1410375996-4693-1-git-send-email-peter@hurleysoftware.com> Return-path: In-Reply-To: <1410375996-4693-1-git-send-email-peter@hurleysoftware.com> Sender: linux-kernel-owner@vger.kernel.org To: Greg Kroah-Hartman Cc: Jiri Slaby , One Thousand Gnomes , linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, Peter Hurley , Sonic Zhang List-Id: linux-serial@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