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=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, 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 9DE46C06507 for ; Mon, 10 Jun 2019 14:14:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 78737207E0 for ; Mon, 10 Jun 2019 14:14:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2403768AbfFJOOi (ORCPT ); Mon, 10 Jun 2019 10:14:38 -0400 Received: from inva021.nxp.com ([92.121.34.21]:40268 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390716AbfFJOOd (ORCPT ); Mon, 10 Jun 2019 10:14:33 -0400 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 12DB22007D8; Mon, 10 Jun 2019 16:14:32 +0200 (CEST) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 2A5A22001D6; Mon, 10 Jun 2019 16:14:27 +0200 (CEST) Received: from localhost.localdomain (mega.ap.freescale.net [10.192.208.232]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id CA1EC402DD; Mon, 10 Jun 2019 22:14:20 +0800 (SGT) From: daniel.baluta@nxp.com To: jassisinghbrar@gmail.com, o.rempel@pengutronix.de Cc: shawnguo@kernel.org, s.hauer@pengutronix.de, linux-imx@nxp.com, kernel@pengutronix.de, festevam@gmail.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, aisheng.dong@nxp.com, Daniel Baluta Subject: [RFC PATCH 1/2] mailbox: imx: Clear GIEn bit at shutdown Date: Mon, 10 Jun 2019 22:16:08 +0800 Message-Id: <20190610141609.17559-2-daniel.baluta@nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190610141609.17559-1-daniel.baluta@nxp.com> References: <20190610141609.17559-1-daniel.baluta@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Daniel Baluta GIEn is enabled at startup for RX doorbell mailboxes so we need to clear the bit at shutdown in order to avoid leaving the interrupt line enabled. Signed-off-by: Daniel Baluta --- drivers/mailbox/imx-mailbox.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/mailbox/imx-mailbox.c b/drivers/mailbox/imx-mailbox.c index 25be8bb5e371..9f74dee1a58c 100644 --- a/drivers/mailbox/imx-mailbox.c +++ b/drivers/mailbox/imx-mailbox.c @@ -217,8 +217,8 @@ static void imx_mu_shutdown(struct mbox_chan *chan) if (cp->type == IMX_MU_TYPE_TXDB) tasklet_kill(&cp->txdb_tasklet); - imx_mu_xcr_rmw(priv, 0, - IMX_MU_xCR_TIEn(cp->idx) | IMX_MU_xCR_RIEn(cp->idx)); + imx_mu_xcr_rmw(priv, 0, IMX_MU_xCR_TIEn(cp->idx) | + IMX_MU_xCR_RIEn(cp->idx) | IMX_MU_xCR_GIEn(cp->idx)); free_irq(priv->irq, chan); } -- 2.17.1