From mboxrd@z Thu Jan 1 00:00:00 1970 From: shubhrajyoti@ti.com (Shubhrajyoti D) Date: Wed, 3 Oct 2012 17:24:37 +0530 Subject: [PATCH 2/3] serial: omap: Remove the default setting of special character In-Reply-To: <1349265278-27763-1-git-send-email-shubhrajyoti@ti.com> References: <1349265278-27763-1-git-send-email-shubhrajyoti@ti.com> Message-ID: <1349265278-27763-2-git-send-email-shubhrajyoti@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Special character detect enable if enabled by default.Received data comparison with XOFF2 data happens by default. tty provides only XOFF1 no X0FF2 is provided so no need to enable check for XOFF2. Keeping this enabled might give some slow transfers due to dummy xoff2 comparison with xoff2 reset value. Since not all want the XOFF2 support lets not enable it by default. Signed-off-by: Shubhrajyoti D --- drivers/tty/serial/omap-serial.c | 6 +----- 1 files changed, 1 insertions(+), 5 deletions(-) diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c index fd0fb8c..caf49a6 100644 --- a/drivers/tty/serial/omap-serial.c +++ b/drivers/tty/serial/omap-serial.c @@ -702,11 +702,7 @@ serial_omap_configure_xonxoff serial_out(up, UART_MCR, up->mcr | UART_MCR_TCRTLR); serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B); serial_out(up, UART_TI752_TCR, OMAP_UART_TCR_TRIG); - /* Enable special char function UARTi.EFR_REG[5] and - * load the new software flow control mode IXON or IXOFF - * and restore the UARTi.EFR_REG[4] ENHANCED_EN value. - */ - serial_out(up, UART_EFR, up->efr | UART_EFR_SCD); + serial_out(up, UART_LCR, UART_LCR_CONF_MODE_A); serial_out(up, UART_MCR, up->mcr & ~UART_MCR_TCRTLR); -- 1.7.5.4