From patchwork Tue May 11 18:07:09 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Marek X-Patchwork-Id: 12251723 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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 35147C433ED for ; Tue, 11 May 2021 18:08:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1A31D617ED for ; Tue, 11 May 2021 18:08:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232034AbhEKSJT (ORCPT ); Tue, 11 May 2021 14:09:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42326 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232047AbhEKSJQ (ORCPT ); Tue, 11 May 2021 14:09:16 -0400 Received: from mail-qk1-x72f.google.com (mail-qk1-x72f.google.com [IPv6:2607:f8b0:4864:20::72f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F1E4EC061574 for ; Tue, 11 May 2021 11:08:09 -0700 (PDT) Received: by mail-qk1-x72f.google.com with SMTP id 76so19667654qkn.13 for ; Tue, 11 May 2021 11:08:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marek-ca.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=MC52AvU8yTi/lCNA6BimEkKB2wKFkd/KekP+O2t6FxE=; b=Vdz8fvLuCohalVsPL1b+SjeaCADacEduuQntDk85lHx7xeA0WiEWGmwz+nVpIf4Ifs aYcNzBmg1200+8EYAvvPiPi2RIUfW5kwW+aSgfIEZIj4kdagjRQx4/sOpFU7W7voOdfN e987fvLTeKiIg4QumKnwFQQGPs/iBaMSgZx7v3z1EzMHgwu1jwzblEBuz0Fft+fJSdFg BivYC4HejhHRMtfMvPc3YTYYGNNgPoLXl/ONUSN0RjiMZPgBrPZKa7mRjFzLBgKOI/M9 YGsoy9xIOzxAsUROlX9kFq6RkkNfHYSfnmz6IorxjJfckwAV/5ndTD1hwMmTsvHSsSsK Ka5Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=MC52AvU8yTi/lCNA6BimEkKB2wKFkd/KekP+O2t6FxE=; b=Y06rVoVDLH1ep5dx/l1YiOTCTupAXUiD+mWYrDtdluD37jwgosmFAj1GPZLAcspO6E IuugZpnvR8f9kYIkNhdDwB3QZbptaB4dJb/0JOt1byC4sTCRQwJUbmal6PXNbKEweNHE RgmSoM0eLpcld84Y8rDQg+pTezuOc0L6al0wYepkIqYIFyqMFjWVD2e5YkQHtA+9Za+M cHyfS4G4Iv8So7O5qAzDBB1hrWsXtpY7nJvz6j0AJkL5ObbtdRiX7dKDzpt/3SfJGwtL YgkmfSC/Ee0KG3bl9KnvaV1n+QvQXGvP+mhy5n9MDW25Mo9wYRqeyNb+jZIyWUGDaex+ 4pTQ== X-Gm-Message-State: AOAM532PZBTI2qfOKI6vbWpsx/hC1JV83KGdXqTuAV9IKbni+13yX9Be gLfGb4i2sKJO0yNTMRoZNd3Le/98+RQQb6Nm X-Google-Smtp-Source: ABdhPJx+SOyMflZBYI28atocWsr1QztLmz98kXzxJdZ4S1QJROf1E3vSxNyUNTTcTcKop+KANu3nMA== X-Received: by 2002:a37:6714:: with SMTP id b20mr29012977qkc.289.1620756488973; Tue, 11 May 2021 11:08:08 -0700 (PDT) Received: from localhost.localdomain (modemcable068.184-131-66.mc.videotron.ca. [66.131.184.68]) by smtp.gmail.com with ESMTPSA id g5sm17104476qtm.2.2021.05.11.11.08.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 11 May 2021 11:08:08 -0700 (PDT) From: Jonathan Marek To: linux-arm-msm@vger.kernel.org Cc: robert.foss@linaro.org, andrey.konovalov@linaro.org, Todor Tomov , Andy Gross , Bjorn Andersson , Mauro Carvalho Chehab , linux-media@vger.kernel.org (open list:QUALCOMM CAMERA SUBSYSTEM DRIVER), linux-kernel@vger.kernel.org (open list) Subject: [PATCH 02/17] media: camss: csiphy-3ph: disable interrupts Date: Tue, 11 May 2021 14:07:09 -0400 Message-Id: <20210511180728.23781-3-jonathan@marek.ca> X-Mailer: git-send-email 2.26.1 In-Reply-To: <20210511180728.23781-1-jonathan@marek.ca> References: <20210511180728.23781-1-jonathan@marek.ca> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org The driver does nothing with the interrupts, so set the irq mask registers to zero to avoid wasting CPU time for thing. Signed-off-by: Jonathan Marek Reviewed-by: Robert Foss --- .../qcom/camss/camss-csiphy-3ph-1-0.c | 35 ++----------------- 1 file changed, 3 insertions(+), 32 deletions(-) diff --git a/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c b/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c index 5948abdcd220..783b65295d20 100644 --- a/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c +++ b/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c @@ -352,38 +352,9 @@ static void csiphy_lanes_enable(struct csiphy_device *csiphy, else if (csiphy->camss->version == CAMSS_845) csiphy_gen2_config_lanes(csiphy, settle_cnt); - val = 0xff; - writel_relaxed(val, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(11)); - - val = 0xff; - writel_relaxed(val, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(12)); - - val = 0xfb; - writel_relaxed(val, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(13)); - - val = 0xff; - writel_relaxed(val, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(14)); - - val = 0x7f; - writel_relaxed(val, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(15)); - - val = 0xff; - writel_relaxed(val, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(16)); - - val = 0xff; - writel_relaxed(val, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(17)); - - val = 0xef; - writel_relaxed(val, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(18)); - - val = 0xff; - writel_relaxed(val, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(19)); - - val = 0xff; - writel_relaxed(val, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(20)); - - val = 0xff; - writel_relaxed(val, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(21)); + /* IRQ_MASK registers - disable all interrupts */ + for (i = 11; i < 22; i++) + writel_relaxed(0, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(i)); } static void csiphy_lanes_disable(struct csiphy_device *csiphy,