From patchwork Wed Dec 22 00:37:35 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bryan O'Donoghue X-Patchwork-Id: 12692062 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 334D2C43219 for ; Wed, 22 Dec 2021 00:35:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239614AbhLVAfv (ORCPT ); Tue, 21 Dec 2021 19:35:51 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44356 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239557AbhLVAfv (ORCPT ); Tue, 21 Dec 2021 19:35:51 -0500 Received: from mail-wm1-x32a.google.com (mail-wm1-x32a.google.com [IPv6:2a00:1450:4864:20::32a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A53BEC061574 for ; Tue, 21 Dec 2021 16:35:50 -0800 (PST) Received: by mail-wm1-x32a.google.com with SMTP id j140-20020a1c2392000000b003399ae48f58so2814470wmj.5 for ; Tue, 21 Dec 2021 16:35:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=aCn2AUBf+s4jY/6QkYpdOWBiS0aWpq/nnEFl+kmOZ6w=; b=KtYVbbf6yElUHr9DwyQmSWVnWcRdQPhYlopqPNqShRjkTrlIq6XqsPZCWdEvLUxo/C x5W8t7WhiUGtAVNesl7hnO9oLiCiZ7yABZIR7jIhGl3cSg0e6qH95mj1JFhQfYO2GwfB V1o2RLytaQ8dp/KII0m+BXMHGwoPWuQG11UkneSy7sCUzrh//hnQNIoA0i8Vtt1Rg1uD JqtHZnD4SsYqlEmJlCTAPHcicBfRgOOFf3DgowPO0BzDZmwDNpMdIAfkIYzUTvwbdhnv lbKAtyGRek6CSb2jhF03VMlEppV5GccWx85mBkrUwTJPSlyG5HV/SOmsLCnYa2uA7fsP 8IqQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=aCn2AUBf+s4jY/6QkYpdOWBiS0aWpq/nnEFl+kmOZ6w=; b=DZfRcOFkXl05uRe/iJYi4L/Pj/sqHJa/Pr5BVD6mSltvU7Jegn6Re699p8tPlBmPsl p2CQBk4k/sX2BlLNYIDu00q3aeK010IYlSD8mBVBwRhfBfAo35WPDdi8yNFbKDB9bwOk Fr+GW1neaUnUeMi5mvIBePHIw+cwZhO9ymTXF24YCfFsF4lh+5taxUeG5U/8lJz3KV/B zzITzRejUfzNIRYXlIy/qMdAdZX2cBGkBz1aLi+oedVFFWGp4CA5xASkmFb2EKloEY6C xRSSq4jYdM73MdH5w3pDS2yFtBcXjhn94PJPneH95Q+u93ZZjnTW5yg1fHg4mN4tM0un JtvQ== X-Gm-Message-State: AOAM5337HjGof1unN1lwssVKGxZeh2LPAQT4hpOlJBiZ8ktwZCANZhQ1 fbTmoE8eC/cOd8JVLAnLDhtQxsyv50iC5g== X-Google-Smtp-Source: ABdhPJxZhxI+jcdPrQ2s8dolyyTSY1KfK1+qE2zjnz63UM6BC8Wx0DyqGh62jCT/08VHfwdi5KafnA== X-Received: by 2002:a1c:1bd8:: with SMTP id b207mr632991wmb.114.1640133348857; Tue, 21 Dec 2021 16:35:48 -0800 (PST) Received: from sagittarius-a.chello.ie (188-141-3-169.dynamic.upc.ie. [188.141.3.169]) by smtp.gmail.com with ESMTPSA id n7sm282825wms.45.2021.12.21.16.35.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Dec 2021 16:35:48 -0800 (PST) From: Bryan O'Donoghue To: linux-arm-msm@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, hverkuil@xs4all.nl, robert.foss@linaro.org Cc: jonathan@marek.ca, andrey.konovalov@linaro.org, todor.too@gmail.com, agross@kernel.org, bjorn.andersson@linaro.org, jgrahsl@snap.com, hfink@snap.com, vladimir.zapolskiy@linaro.org, dmitry.baryshkov@linaro.org, bryan.odonoghue@linaro.org Subject: [PATCH v3 03/19] media: camss: csiphy-3ph: disable interrupts Date: Wed, 22 Dec 2021 00:37:35 +0000 Message-Id: <20211222003751.2461466-4-bryan.odonoghue@linaro.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211222003751.2461466-1-bryan.odonoghue@linaro.org> References: <20211222003751.2461466-1-bryan.odonoghue@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: Jonathan Marek The driver does nothing with the interrupts, so set the irq mask registers to zero to avoid wasting CPU time for nothing. Signed-off-by: Jonathan Marek Reviewed-by: Robert Foss Tested-by: Julian Grahsl Tested-by: Bryan O'Donoghue Signed-off-by: Bryan O'Donoghue --- .../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 5948abdcd2206..783b65295d20b 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,