From: Kukjin Kim Subject: Re: [PATCH] serial: samsung: Add support 4M baudrate for samsung serial Date: Sun, 13 May 2012 08:58:08 +0900 Message-ID: <4FAEF910.902@samsung.com> References: <001b01cce24a$b01cb370$10561a50$%kim@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=EUC-KR Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mail-pb0-f46.google.com ([209.85.160.46]:54143 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753063Ab2ELW6P (ORCPT ); Sat, 12 May 2012 18:58:15 -0400 Received: by pbbrp8 with SMTP id rp8so4662303pbb.19 for ; Sat, 12 May 2012 15:58:14 -0700 (PDT) In-Reply-To: <001b01cce24a$b01cb370$10561a50$%kim@samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org List-Id: linux-samsung-soc@vger.kernel.org To: =?EUC-KR?B?seiw5sDP?= Cc: linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, 'Kukjin Kim' On 02/03/12 17:06, =B1=E8=B0=E6=C0=CF wrote: > At getting the baudrate, the max baudrate parameter value > is changed to 4M. > So samsung serial can support upto 4M baudrate. >=20 > Signed-off-by: Kyoungil Kim > --- > drivers/tty/serial/samsung.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) >=20 > diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsun= g.c > index a6abe0c..513096d 100644 > --- a/drivers/tty/serial/samsung.c > +++ b/drivers/tty/serial/samsung.c > @@ -701,7 +701,7 @@ static void s3c24xx_serial_set_termios(struct uar= t_port *port, > * Ask the core to calculate the divisor for us. > */ >=20 > - baud =3D uart_get_baud_rate(port, termios, old, 0, 115200*8); > + baud =3D uart_get_baud_rate(port, termios, old, 0, 4000000); > quot =3D s3c24xx_serial_getclk(ourport, baud,&clk,&clk_sel); > if (baud =3D=3D 38400&& (port->flags& UPF_SPD_MASK) =3D=3D UPF_S= PD_CUST) > quot =3D port->custom_divisor; Kyoungil, Is this available on all of Samsung serial? Thanks. Best regards, Kgene. -- Kukjin Kim , Senior Engineer, SW Solution Development Team, Samsung Electronics Co., Ltd.