From nobody Thu Nov 14 07:10:17 2024 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 60841C6379F for ; Wed, 22 Feb 2023 09:51:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232343AbjBVJvg (ORCPT ); Wed, 22 Feb 2023 04:51:36 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50584 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231495AbjBVJvO (ORCPT ); Wed, 22 Feb 2023 04:51:14 -0500 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DAFC13B650 for ; Wed, 22 Feb 2023 01:49:20 -0800 (PST) Received: from IcarusMOD.eternityproject.eu (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id 57B2E66021CF; Wed, 22 Feb 2023 09:43:03 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1677058983; bh=e3IoV4WZMMZpp/4i2Ywjd+HRfKbXhy2Fwpb6MBe7E9I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TW49Kut03chnB17gy+oOlEdsRglJEPbtp6qrJAlIi8l9dX/aAXscA8EVrCy9h5pod vmlmwn+lOeZGv4cNWr3zwCKFU6sjKUUdpXRoregGMJEZS2ToV0jetU4KDvkFgkDNaU W7g2RJb0B6OWT8seVbkS8WSjlNLUWvr1/dZk0og0s2zISZ6AzFuu/J6egY6vuG+6au GOw8/CCLUd+vh3VmweL7umYnQJIej/9xZwoENc4GXIDMz0/VvJcIeA7ih1wepdM+4i GR39oKu2mPiAWnXXlcvz0CVVMU+XfsA9ZkWaD/9UrB7oSMH3yd8rZPa3h9ExIzoe74 kO087S6EsxWBw== From: AngeloGioacchino Del Regno To: matthias.bgg@gmail.com Cc: jason-jh.lin@mediatek.com, chunkuang.hu@kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, AngeloGioacchino Del Regno , Chen-Yu Tsai Subject: [PATCH v2 6/9] soc: mediatek: mtk-mutex: Replace max handles number with definition Date: Wed, 22 Feb 2023 10:42:50 +0100 Message-Id: <20230222094253.23678-7-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230222094253.23678-1-angelogioacchino.delregno@collabora.com> References: <20230222094253.23678-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Replace the magic number "10", defining the maximum number of supported handles with a MTK_MUTEX_MAX_HANDLES definition. While at it, also change the type for `id` from a signed integer to a unsigned 8 bits integer to save some (small) memory footprint, as this number is never higher than 10. This cleanup brings no functional changes. Signed-off-by: AngeloGioacchino Del Regno Reviewed-by: Chen-Yu Tsai --- drivers/soc/mediatek/mtk-mutex.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/soc/mediatek/mtk-mutex.c b/drivers/soc/mediatek/mtk-mu= tex.c index a59fde2bdcba..b68bb87bc365 100644 --- a/drivers/soc/mediatek/mtk-mutex.c +++ b/drivers/soc/mediatek/mtk-mutex.c @@ -14,6 +14,8 @@ #include #include =20 +#define MTK_MUTEX_MAX_HANDLES 10 + #define MT2701_MUTEX0_MOD0 0x2c #define MT2701_MUTEX0_SOF0 0x30 #define MT8183_MUTEX0_MOD0 0x30 @@ -282,7 +284,7 @@ #define MT8195_MUTEX_EOF_DPI1 (MT8195_MUTEX_SOF_DPI1 << 7) =20 struct mtk_mutex { - int id; + u8 id; bool claimed; }; =20 @@ -312,7 +314,7 @@ struct mtk_mutex_ctx { struct device *dev; struct clk *clk; void __iomem *regs; - struct mtk_mutex mutex[10]; + struct mtk_mutex mutex[MTK_MUTEX_MAX_HANDLES]; const struct mtk_mutex_data *data; phys_addr_t addr; struct cmdq_client_reg cmdq_reg; @@ -717,7 +719,7 @@ struct mtk_mutex *mtk_mutex_get(struct device *dev) struct mtk_mutex_ctx *mtx =3D dev_get_drvdata(dev); int i; =20 - for (i =3D 0; i < 10; i++) + for (i =3D 0; i < MTK_MUTEX_MAX_HANDLES; i++) if (!mtx->mutex[i].claimed) { mtx->mutex[i].claimed =3D true; return &mtx->mutex[i]; @@ -1007,7 +1009,7 @@ static int mtk_mutex_probe(struct platform_device *pd= ev) if (!mtx) return -ENOMEM; =20 - for (i =3D 0; i < 10; i++) + for (i =3D 0; i < MTK_MUTEX_MAX_HANDLES; i++) mtx->mutex[i].id =3D i; =20 mtx->data =3D of_device_get_match_data(dev); --=20 2.39.2