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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 C7308C43603 for ; Wed, 11 Dec 2019 16:00:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9461C2077B for ; Wed, 11 Dec 2019 16:00:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576080044; bh=mnM0pqkvhIGDKUdKdcPkorlp2nZEimXF2wDbAzyLPhE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=Wy1qSzEQcV6g6PkYXKvR8P98le3oAPsVrgVcPpXq8dXiI1F6jcIKp9t/aLbR8IuFj ZHFV1ZQXoFkEY9boFxceBgaCbSa5aGvAIL9wCWE/dDx0Y/F/xiNUo66/kES/hQAnTR eNy9T/wbx5Voaw65hFHi+Od1bebi9cx//LaJWkLY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731587AbfLKQAn (ORCPT ); Wed, 11 Dec 2019 11:00:43 -0500 Received: from mail.kernel.org ([198.145.29.99]:37630 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731486AbfLKPNl (ORCPT ); Wed, 11 Dec 2019 10:13:41 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D3E6124688; Wed, 11 Dec 2019 15:13:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576077221; bh=mnM0pqkvhIGDKUdKdcPkorlp2nZEimXF2wDbAzyLPhE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=yyShlHHzVkfGX0tMiugZz43TtejvqUHUsUngIHrma/KGEHz/m26zqixuvevZlWuxU Sv8dQGVC5buZGyTd9Zfc1RNnxqMd+ZS++/n+1oufapGBBLrTMn6kjZFxSS4BMQEhM/ 2NkDkIbfb25Qezz6d9ni+lSIlpyPj/5frLo231kM= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Russell King , Linus Walleij , Sasha Levin , linux-gpio@vger.kernel.org Subject: [PATCH AUTOSEL 5.4 101/134] gpio/mpc8xxx: fix qoriq GPIO reading Date: Wed, 11 Dec 2019 10:11:17 -0500 Message-Id: <20191211151150.19073-101-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191211151150.19073-1-sashal@kernel.org> References: <20191211151150.19073-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@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 16a47de29c94c..b863421ae7309 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