From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966023AbdCXQ0t (ORCPT ); Fri, 24 Mar 2017 12:26:49 -0400 Received: from bhuna.collabora.co.uk ([46.235.227.227]:42852 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933320AbdCXQ0j (ORCPT ); Fri, 24 Mar 2017 12:26:39 -0400 From: Sjoerd Simons To: linux-serial@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org, Greg Kroah-Hartman , linux-kernel@vger.kernel.org, Russell King , Jiri Slaby Subject: [PATCH 0/2] Move uart_register_driver call to device probe for pl010 and sh-sci Date: Fri, 24 Mar 2017 17:26:32 +0100 Message-Id: <20170324162634.8880-1-sjoerd.simons@collabora.co.uk> X-Mailer: git-send-email 2.11.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When testing on a Renesas board with the PL010 serial driver enabled serial output broke. Turns out the minor device numbers for both drivers happen to overlap, causing whichever driver happened to be the second one to register to fail. The attached patches move the uart_register_driver call to probe time for both drivers avoiding the issue. Sjoerd Simons (2): serial: pl010: Move uart_register_driver call to device probe serial: sh-sci: Move uart_register_driver call to device probe drivers/tty/serial/amba-pl010.c | 27 +++++++++++++++++---------- drivers/tty/serial/sh-sci.c | 21 ++++++++++----------- 2 files changed, 27 insertions(+), 21 deletions(-) -- 2.11.0