From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756471Ab3CYLex (ORCPT ); Mon, 25 Mar 2013 07:34:53 -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 S1756237Ab3CYLev (ORCPT ); Mon, 25 Mar 2013 07:34:51 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.84,904,1355126400"; d="scan'208";a="311514220" 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 1/3] serial: 8250: Allow probe drivers to ignore tx_loadsz Date: Mon, 25 Mar 2013 13:34:44 +0200 Message-Id: <1364211286-31611-2-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 In most cases the tx_loadsz is the same as fifosize. This will store the fifosize in it if it was not separately delivered from the driver. Signed-off-by: Heikki Krogerus --- drivers/tty/serial/8250/8250.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/tty/serial/8250/8250.c b/drivers/tty/serial/8250/8250.c index cf6a538..19ebbdf 100644 --- a/drivers/tty/serial/8250/8250.c +++ b/drivers/tty/serial/8250/8250.c @@ -3247,6 +3247,10 @@ int serial8250_register_8250_port(struct uart_8250_port *up) uart->tx_loadsz = up->tx_loadsz; uart->capabilities = up->capabilities; + /* Take tx_loadsz from fifosize if it wasn't set separately */ + if (uart->port.fifosize && !uart->tx_loadsz) + uart->tx_loadsz = uart->port.fifosize; + if (up->port.dev) uart->port.dev = up->port.dev; -- 1.7.10.4