From patchwork Tue Mar 25 05:54:43 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fei Shao X-Patchwork-Id: 14028218 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A32B7C35FFC for ; Tue, 25 Mar 2025 08:14:26 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1332D10E502; Tue, 25 Mar 2025 08:14:26 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=chromium.org header.i=@chromium.org header.b="c/OhzHQR"; dkim-atps=neutral Received: from mail-pl1-f179.google.com (mail-pl1-f179.google.com [209.85.214.179]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2830110E502 for ; Tue, 25 Mar 2025 08:14:21 +0000 (UTC) Received: by mail-pl1-f179.google.com with SMTP id d9443c01a7336-227a8cdd241so26020425ad.3 for ; Tue, 25 Mar 2025 01:14:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1742890460; x=1743495260; darn=lists.freedesktop.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=kNYXBQpFyPKAPrC63ak+6Lghv9itCVCrzkPP9piyvFo=; b=c/OhzHQRVjytVCoyp9qgpbtRnf52LdkYKlL8JrrXZDbbv0rQ4PJ6qh5vSUJQGDG3hR IMevotmRQhx8+tMno8OTFt/UYhVyIMcm/L2WSrnnc3yfLlk+Ou4ghvyh+OG1vOec0/sK hbMjDhawyTcGbVqezZj3niLD1PUeBhdSpAJSU= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1742890460; x=1743495260; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=kNYXBQpFyPKAPrC63ak+6Lghv9itCVCrzkPP9piyvFo=; b=fNo316VYjg/yuH6RmU2dyS8brM7qztMd5FAMEC7U8JVpqrCfO5uBZ9YcH5Cgjn2UPS oPznkA5O/zlgV82aOSSUIimesZdFgxDiFy6PCAnQmPRRVzIdXFqrFlBe5A3aSMNxyCBQ spDkQ/1FRVhtwh5JOm22y51rOuIp4YnShGznDFaebhhItjhra9aFM/FU3BagEV3aXuvO 1UpxBhj48Xr5deX+udWq7SNLbi13DcfjUapDUmzU0LEJX5RhmIBxDbMKa+ImFcWx9BlB Mm2kvc2HmQWbnlwObyO/am61cmN2iPsF6FuvrcyMC2/XI9OozytgIA+tjPYdPZlKvtHL dtag== X-Forwarded-Encrypted: i=1; AJvYcCWhAxO4B0FNL9B+Prya7+AxOAkVe+Q6kbceF711ZMHaGGQg3gfIS3XdIkfeg/nYDQMhrqo+bMd9PPc=@lists.freedesktop.org X-Gm-Message-State: AOJu0Yyo6EGtDiP/zsPaeAPU/8pL34gEwpVGnD3Vm5I/dJ5J+UF+Mflv sw1nMJDZqaOvoiDbq3WIkPfvroluxxVlsQS61hJtPDgQz6jvprU25DFFDbrM9w== X-Gm-Gg: ASbGnctx3F7ICLA5cHEuaS3E+qCYx/EM7hMibmt/ce7Qor0CXEhePuNsmNzSkmAzHN4 Ez6ZM4M0ysSXfHOB2m6JZ4rU9UhbbX0Cz/LYo2Vs4lGwSvNA6YAfwvz4jQ9qRHnr2KCUFA+x8jl n92CLFa2Wi1RexGHdUEf3WKJ5LANGb2DXWr0e99YdN+wAQaxX9l9latRBKhqf0/SMUywmiR0ijL 6Upqgq9k1LmvcD4+Plb/UMuVXmqtNTTj71C9IIPQDSGThVtIX6TCYsozu5qxeVLMiqV4TLJQ2cy 8y7PIRrGDyPJE5auVgXc0ZD3hVmCayWY1ZgI7nLtoxwgeRskT5QZBEtkQK+4OMyw X-Google-Smtp-Source: AGHT+IGDbB2izvu+t9h4n+6kBg4rcIhVYj9jR1WRlX4F5kfsit9jrFvvckdmOs5NpmzKyk+jgcasxQ== X-Received: by 2002:a05:6a00:3c95:b0:736:eb7e:df39 with SMTP id d2e1a72fcca58-73905a54b96mr28430513b3a.24.1742890460358; Tue, 25 Mar 2025 01:14:20 -0700 (PDT) Received: from fshao-p620.tpe.corp.google.com ([2401:fa00:1:10:d83e:63a8:42b9:7425]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7390618c056sm9457156b3a.163.2025.03.25.01.14.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 Mar 2025 01:14:19 -0700 (PDT) From: Fei Shao To: Neil Armstrong , Robert Foss Cc: Xin Ji , Fei Shao , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH] drm/bridge: anx7625: Simplify INTERFACE_CHANGE_INT reg clear write Date: Tue, 25 Mar 2025 13:54:43 +0800 Message-ID: <20250325081331.1965917-1-fshao@chromium.org> X-Mailer: git-send-email 2.49.0.395.g12beb8f557-goog MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Simply clear the INTERFACE_CHANGE_INT register with 0 and replace the indirect `x & (~x)` pattern, since they are logically the same. No functional change. Signed-off-by: Fei Shao --- drivers/gpu/drm/bridge/analogix/anx7625.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c index 0b97b66de577..df2d1dd95d01 100644 --- a/drivers/gpu/drm/bridge/analogix/anx7625.c +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c @@ -1586,8 +1586,7 @@ static int anx7625_hpd_change_detect(struct anx7625_data *ctx) } DRM_DEV_DEBUG_DRIVER(dev, "0x7e:0x44=%x\n", intr_vector); status = anx7625_reg_write(ctx, ctx->i2c.rx_p0_client, - INTERFACE_CHANGE_INT, - intr_vector & (~intr_vector)); + INTERFACE_CHANGE_INT, 0); if (status < 0) { DRM_DEV_ERROR(dev, "cannot clear interrupt change reg.\n"); return status;