From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756602Ab3CYLfU (ORCPT ); Mon, 25 Mar 2013 07:35:20 -0400 Received: from mga01.intel.com ([192.55.52.88]:32083 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756437Ab3CYLex (ORCPT ); Mon, 25 Mar 2013 07:34:53 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.84,904,1355126400"; d="scan'208";a="311514228" From: Heikki Krogerus To: Greg Kroah-Hartman Cc: Arnd Bergmann , Ley Foon Tan , linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org Subject: [PATCH 2/3] serial: of_serial: Handle fifo-size property Date: Mon, 25 Mar 2013 13:34:45 +0200 Message-Id: <1364211286-31611-3-git-send-email-heikki.krogerus@linux.intel.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1364211286-31611-1-git-send-email-heikki.krogerus@linux.intel.com> References: <1364211286-31611-1-git-send-email-heikki.krogerus@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This will reduce the need for extra types in 8250.c just in case the fifo size differs from the standard. Signed-off-by: Heikki Krogerus --- Documentation/devicetree/bindings/tty/serial/of-serial.txt | 1 + drivers/tty/serial/of_serial.c | 4 ++++ 2 files changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/tty/serial/of-serial.txt b/Documentation/devicetree/bindings/tty/serial/of-serial.txt index 8f01cb1..c13f0ce 100644 --- a/Documentation/devicetree/bindings/tty/serial/of-serial.txt +++ b/Documentation/devicetree/bindings/tty/serial/of-serial.txt @@ -33,6 +33,7 @@ Optional properties: RTAS and should not be registered. - no-loopback-test: set to indicate that the port does not implements loopback test mode +- fifo-size: the fifo size of the UART. Example: diff --git a/drivers/tty/serial/of_serial.c b/drivers/tty/serial/of_serial.c index b025d54..267711b 100644 --- a/drivers/tty/serial/of_serial.c +++ b/drivers/tty/serial/of_serial.c @@ -97,6 +97,10 @@ static int of_platform_serial_setup(struct platform_device *ofdev, if (of_property_read_u32(np, "reg-shift", &prop) == 0) port->regshift = prop; + /* Check for fifo size */ + if (of_property_read_u32(np, "fifo-size", &prop) == 0) + port->fifosize = prop; + port->irq = irq_of_parse_and_map(np, 0); port->iotype = UPIO_MEM; if (of_property_read_u32(np, "reg-io-width", &prop) == 0) { -- 1.7.10.4