From patchwork Wed Mar 18 22:57:25 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Lindgren X-Patchwork-Id: 208079 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=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 94888C43332 for ; Wed, 18 Mar 2020 22:57:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 669DB20767 for ; Wed, 18 Mar 2020 22:57:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726961AbgCRW5g (ORCPT ); Wed, 18 Mar 2020 18:57:36 -0400 Received: from muru.com ([72.249.23.125]:60778 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726647AbgCRW5g (ORCPT ); Wed, 18 Mar 2020 18:57:36 -0400 Received: from hillo.muru.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTP id 61D0A819C; Wed, 18 Mar 2020 22:58:22 +0000 (UTC) From: Tony Lindgren To: Dmitry Torokhov Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, Arthur Demchenkov , Merlijn Wajer , Pavel Machek , ruleh , Sebastian Reichel Subject: [PATCH 1/3] Input: omap4-keypad - disable unused long interrupts Date: Wed, 18 Mar 2020 15:57:25 -0700 Message-Id: <20200318225727.29327-2-tony@atomide.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200318225727.29327-1-tony@atomide.com> References: <20200318225727.29327-1-tony@atomide.com> MIME-Version: 1.0 Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org We are not using the long interrupts and they produce extra interrupts. Let's not enable them at all. Note that also the v3.0.8 Linux Android kernel has long interrupts disabled. Cc: Arthur Demchenkov Cc: Merlijn Wajer Cc: Pavel Machek Cc: ruleh Cc: Sebastian Reichel Signed-off-by: Tony Lindgren --- drivers/input/keyboard/omap4-keypad.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/input/keyboard/omap4-keypad.c b/drivers/input/keyboard/omap4-keypad.c --- a/drivers/input/keyboard/omap4-keypad.c +++ b/drivers/input/keyboard/omap4-keypad.c @@ -176,10 +176,9 @@ static int omap4_keypad_open(struct input_dev *input) kbd_write_irqreg(keypad_data, OMAP4_KBD_IRQSTATUS, kbd_read_irqreg(keypad_data, OMAP4_KBD_IRQSTATUS)); kbd_write_irqreg(keypad_data, OMAP4_KBD_IRQENABLE, - OMAP4_DEF_IRQENABLE_EVENTEN | - OMAP4_DEF_IRQENABLE_LONGKEY); + OMAP4_DEF_IRQENABLE_EVENTEN); kbd_writel(keypad_data, OMAP4_KBD_WAKEUPENABLE, - OMAP4_DEF_WUP_EVENT_ENA | OMAP4_DEF_WUP_LONG_KEY_ENA); + OMAP4_DEF_WUP_EVENT_ENA); enable_irq(keypad_data->irq);