From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757247AbbAYSo2 (ORCPT ); Sun, 25 Jan 2015 13:44:28 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:57896 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755838AbbAYSKK (ORCPT ); Sun, 25 Jan 2015 13:10:10 -0500 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, James Bottomley Subject: [PATCH 3.18 098/183] serial: fix parisc boot hang Date: Sun, 25 Jan 2015 10:07:00 -0800 Message-Id: <20150125180814.421106886@linuxfoundation.org> X-Mailer: git-send-email 2.2.2 In-Reply-To: <20150125180810.160428929@linuxfoundation.org> References: <20150125180810.160428929@linuxfoundation.org> User-Agent: quilt/0.63-1 MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: James Bottomley commit 68ed7e1c3d236e9e1e60ed6cae22f2c1c4ba2952 upstream. This is a partial revert of 2f2dafe (serial: serial_core.c: printk replacement) which gets us booting again. The real problem seems to be the _emit path in early boot. However, until we can root cause it, we need at least to get boot working. Fixes: 2f2dafe77df2c78e189a9fa6b1879dffd06ae5a1 Signed-off-by: James Bottomley Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/serial_core.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -2102,7 +2102,9 @@ uart_report_port(struct uart_driver *drv break; } - dev_info(port->dev, "%s%d at %s (irq = %d, base_baud = %d) is a %s\n", + printk(KERN_INFO "%s%s%s%d at %s (irq = %d, base_baud = %d) is a %s\n", + port->dev ? dev_name(port->dev) : "", + port->dev ? ": " : "", drv->dev_name, drv->tty_driver->name_base + port->line, address, port->irq, port->uartclk / 16, uart_type(port));