From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 01D802F4B for ; Fri, 13 Jan 2023 10:44:47 +0000 (UTC) X-UUID: 46781430932f11ed945fc101203acc17-20230113 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=U2nqXgahfm2xivwCYRf9vnqovu+xLLpuGd7dG7iX2wc=; b=omCFdoHPcDvzzTQN8BUmDl28/iY8b69favPCtKwlitEkSCUTxeVUtLaMQ2FgyRw1itfvPiYtRwy3B/o6Auoxx7UbQ7ISSvQkL+Ln2fuf+a5BD/fOwKxh7S54+L0V6EbeWQic6ZV+hHi91CezJZuh3NcE+n7eU7DWUvbXcBkP52Q=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.17,REQID:9bccce26-1c95-423b-aacf-7db53578c66a,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:95,FILE:0,BULK:0,RULE:Release_Ham,ACTION :release,TS:95 X-CID-INFO: VERSION:1.1.17,REQID:9bccce26-1c95-423b-aacf-7db53578c66a,IP:0,URL :0,TC:0,Content:0,EDM:0,RT:0,SF:95,FILE:0,BULK:0,RULE:Spam_GS981B3D,ACTION :quarantine,TS:95 X-CID-META: VersionHash:543e81c,CLOUDID:5b509354-dd49-462e-a4be-2143a3ddc739,B ulkID:230113184439ND5P38E8,BulkQuantity:1,Recheck:0,SF:38|28|17|19|48,TC:n il,Content:0,EDM:-3,IP:nil,URL:11|1,File:nil,Bulk:40,QS:nil,BEC:nil,COL:0, OSI:0,OSA:0 X-CID-APTURL: Status:success,Category:nil,Trust:0,Unknown:0,Malicious:0 X-CID-BVR: 0 X-UUID: 46781430932f11ed945fc101203acc17-20230113 Received: from mtkmbs10n1.mediatek.inc [(172.21.101.34)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 421822005; Fri, 13 Jan 2023 18:44:37 +0800 Received: from mtkmbs13n1.mediatek.inc (172.21.101.193) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.3; Fri, 13 Jan 2023 18:44:36 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Fri, 13 Jan 2023 18:44:36 +0800 From: Nancy.Lin To: Rob Herring , Krzysztof Kozlowski , Matthias Brugger , Philipp Zabel , CK Hu CC: Nathan Chancellor , Nick Desaulniers , Tom Rix , "AngeloGioacchino Del Regno" , "Jason-JH . Lin" , "Nancy . Lin" , "Nathan Lu" , Rex-BC Chen , "Xinlei Lee" , , , , , , , Subject: [PATCH v30 05/11] soc: mediatek: refine code to use mtk_mmsys_update_bits API Date: Fri, 13 Jan 2023 18:44:28 +0800 Message-ID: <20230113104434.28023-6-nancy.lin@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230113104434.28023-1-nancy.lin@mediatek.com> References: <20230113104434.28023-1-nancy.lin@mediatek.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-MTK: N Simplify code for update mmsys reg. Signed-off-by: Nancy.Lin Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: CK Hu Tested-by: AngeloGioacchino Del Regno Tested-by: Bo-Chen Chen Reviewed-by: Nícolas F. R. A. Prado --- drivers/soc/mediatek/mtk-mmsys.c | 45 ++++++++++++-------------------- 1 file changed, 16 insertions(+), 29 deletions(-) diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c index e75ac7f5aa3c..602197e95f67 100644 --- a/drivers/soc/mediatek/mtk-mmsys.c +++ b/drivers/soc/mediatek/mtk-mmsys.c @@ -107,22 +107,27 @@ struct mtk_mmsys { struct reset_controller_dev rcdev; }; +static void mtk_mmsys_update_bits(struct mtk_mmsys *mmsys, u32 offset, u32 mask, u32 val) +{ + u32 tmp; + + tmp = readl_relaxed(mmsys->regs + offset); + tmp = (tmp & ~mask) | (val & mask); + writel_relaxed(tmp, mmsys->regs + offset); +} + void mtk_mmsys_ddp_connect(struct device *dev, enum mtk_ddp_comp_id cur, enum mtk_ddp_comp_id next) { struct mtk_mmsys *mmsys = dev_get_drvdata(dev); const struct mtk_mmsys_routes *routes = mmsys->data->routes; - u32 reg; int i; for (i = 0; i < mmsys->data->num_routes; i++) - if (cur == routes[i].from_comp && next == routes[i].to_comp) { - reg = readl_relaxed(mmsys->regs + routes[i].addr); - reg &= ~routes[i].mask; - reg |= routes[i].val; - writel_relaxed(reg, mmsys->regs + routes[i].addr); - } + if (cur == routes[i].from_comp && next == routes[i].to_comp) + mtk_mmsys_update_bits(mmsys, routes[i].addr, routes[i].mask, + routes[i].val); } EXPORT_SYMBOL_GPL(mtk_mmsys_ddp_connect); @@ -132,27 +137,14 @@ void mtk_mmsys_ddp_disconnect(struct device *dev, { struct mtk_mmsys *mmsys = dev_get_drvdata(dev); const struct mtk_mmsys_routes *routes = mmsys->data->routes; - u32 reg; int i; for (i = 0; i < mmsys->data->num_routes; i++) - if (cur == routes[i].from_comp && next == routes[i].to_comp) { - reg = readl_relaxed(mmsys->regs + routes[i].addr); - reg &= ~routes[i].mask; - writel_relaxed(reg, mmsys->regs + routes[i].addr); - } + if (cur == routes[i].from_comp && next == routes[i].to_comp) + mtk_mmsys_update_bits(mmsys, routes[i].addr, routes[i].mask, 0); } EXPORT_SYMBOL_GPL(mtk_mmsys_ddp_disconnect); -static void mtk_mmsys_update_bits(struct mtk_mmsys *mmsys, u32 offset, u32 mask, u32 val) -{ - u32 tmp; - - tmp = readl_relaxed(mmsys->regs + offset); - tmp = (tmp & ~mask) | val; - writel_relaxed(tmp, mmsys->regs + offset); -} - void mtk_mmsys_ddp_dpi_fmt_config(struct device *dev, u32 val) { struct mtk_mmsys *mmsys = dev_get_drvdata(dev); @@ -184,18 +176,13 @@ static int mtk_mmsys_reset_update(struct reset_controller_dev *rcdev, unsigned l { struct mtk_mmsys *mmsys = container_of(rcdev, struct mtk_mmsys, rcdev); unsigned long flags; - u32 reg; spin_lock_irqsave(&mmsys->lock, flags); - reg = readl_relaxed(mmsys->regs + mmsys->data->sw0_rst_offset); - if (assert) - reg &= ~BIT(id); + mtk_mmsys_update_bits(mmsys, mmsys->data->sw0_rst_offset, BIT(id), 0); else - reg |= BIT(id); - - writel_relaxed(reg, mmsys->regs + mmsys->data->sw0_rst_offset); + mtk_mmsys_update_bits(mmsys, mmsys->data->sw0_rst_offset, BIT(id), BIT(id)); spin_unlock_irqrestore(&mmsys->lock, flags); -- 2.18.0