From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3280EC3276E for ; Thu, 2 Jan 2020 22:59:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F36D621835 for ; Thu, 2 Jan 2020 22:59:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578005947; bh=eFSrbM0YLx7ixvZ4o7BDvCfWiEf9hFG1YCjCboxeDWc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=iaknW4LXi4oxyfWF8+3Us/9qOq46feXQqnSQSSa5vxRGeePDf1UCMtRErrR2VyBjF YkgGA4rMZr536IIw5qLtGMQp8FFYJi8L5KyX4NsKzZCLF/lWDNIW+5JbfHffEG1ccw w3sLDoLuPwtO7tbWsKryFXYLpGFE9W883I3YWlGc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727958AbgABWOq (ORCPT ); Thu, 2 Jan 2020 17:14:46 -0500 Received: from mail.kernel.org ([198.145.29.99]:55166 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727955AbgABWOp (ORCPT ); Thu, 2 Jan 2020 17:14:45 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 9B4A722314; Thu, 2 Jan 2020 22:14:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578003285; bh=eFSrbM0YLx7ixvZ4o7BDvCfWiEf9hFG1YCjCboxeDWc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=xJTSd7pam8Gjs6SNl3qIVs6kh7eS13xEdDagSX2P0la7RcLmVsfiL3k9VRly3pO9Y 7K0UTaVN/F0Kheq494JyndbyFIqqlTQAmuQakT0WtVQ8BE2PBDR3Ls3kUWGKXO0ZB0 HQ1ehDcui9/IgMN/Z8tDQqvHTGrkFmYYamWd/lTg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Russell King , Linus Walleij , Sasha Levin Subject: [PATCH 5.4 097/191] gpio/mpc8xxx: fix qoriq GPIO reading Date: Thu, 2 Jan 2020 23:06:19 +0100 Message-Id: <20200102215840.304056588@linuxfoundation.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200102215829.911231638@linuxfoundation.org> References: <20200102215829.911231638@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Russell King [ Upstream commit 787b64a43f7acacf8099329ea08872e663f1e74f ] Qoriq requires the IBE register to be set to enable GPIO inputs to be read. Set it. Signed-off-by: Russell King Link: https://lore.kernel.org/r/E1iX3HC-00069N-0T@rmk-PC.armlinux.org.uk Signed-off-by: Linus Walleij Signed-off-by: Sasha Levin --- drivers/gpio/gpio-mpc8xxx.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpio/gpio-mpc8xxx.c b/drivers/gpio/gpio-mpc8xxx.c index 16a47de29c94..b863421ae730 100644 --- a/drivers/gpio/gpio-mpc8xxx.c +++ b/drivers/gpio/gpio-mpc8xxx.c @@ -386,6 +386,9 @@ static int mpc8xxx_probe(struct platform_device *pdev) gc->to_irq = mpc8xxx_gpio_to_irq; + if (of_device_is_compatible(np, "fsl,qoriq-gpio")) + gc->write_reg(mpc8xxx_gc->regs + GPIO_IBE, 0xffffffff); + ret = gpiochip_add_data(gc, mpc8xxx_gc); if (ret) { pr_err("%pOF: GPIO chip registration failed with status %d\n", -- 2.20.1