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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS 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 8E8D6C0650E for ; Mon, 8 Jul 2019 01:53:18 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 49605204EC for ; Mon, 8 Jul 2019 01:53:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 49605204EC Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 45hpPm2CFWzDqWK for ; Mon, 8 Jul 2019 11:53:16 +1000 (AEST) Received: from ozlabs.org (bilbo.ozlabs.org [IPv6:2401:3900:2:1::2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 45hng23gGGzDqQN for ; Mon, 8 Jul 2019 11:19:42 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Received: by ozlabs.org (Postfix, from userid 1034) id 45hng16MfYz9sNx; Mon, 8 Jul 2019 11:19:41 +1000 (AEST) X-powerpc-patch-notification: thanks X-powerpc-patch-commit: 3ab3a0689e74e6aa5b41360bc18861040ddef5b1 In-Reply-To: <20190615152313.26288-1-chunkeey@gmail.com> To: Christian Lamparter , linuxppc-dev@lists.ozlabs.org From: Michael Ellerman Subject: Re: [PATCH] powerpc/4xx/uic: clear pending interrupt after irq type/pol change Message-Id: <45hng16MfYz9sNx@ozlabs.org> Date: Mon, 8 Jul 2019 11:19:41 +1000 (AEST) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Gleixner , Paul Mackerras Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Sat, 2019-06-15 at 15:23:13 UTC, Christian Lamparter wrote: > When testing out gpio-keys with a button, a spurious > interrupt (and therefore a key press or release event) > gets triggered as soon as the driver enables the irq > line for the first time. > > This patch clears any potential bogus generated interrupt > that was caused by the switching of the associated irq's > type and polarity. > > Signed-off-by: Christian Lamparter Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/3ab3a0689e74e6aa5b41360bc18861040ddef5b1 cheers