From nobody Wed Dec 17 14:01:18 2025 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 451A5C4167B for ; Mon, 27 Nov 2023 14:19:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233732AbjK0OTa (ORCPT ); Mon, 27 Nov 2023 09:19:30 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59372 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233672AbjK0OSr (ORCPT ); Mon, 27 Nov 2023 09:18:47 -0500 Received: from mail-lj1-x234.google.com (mail-lj1-x234.google.com [IPv6:2a00:1450:4864:20::234]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CBC1F3ABD for ; Mon, 27 Nov 2023 06:16:19 -0800 (PST) Received: by mail-lj1-x234.google.com with SMTP id 38308e7fff4ca-2c501bd6ff1so56505681fa.3 for ; Mon, 27 Nov 2023 06:16:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bgdev-pl.20230601.gappssmtp.com; s=20230601; t=1701094578; x=1701699378; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=eVNRTBYkQ35refPua6fnWM3rCBTplvWDVxVAY6Q7+Wo=; b=ZxAcd3fAtdQJ3ooQw2VB96QiEzOjjCVR2TBtb6hPAjOzKjwcUNkKOdajs3M1rViqNQ Agraw2xK4ZsA4uDKhFqoUQY8o3fNgySf1UnMuqPkikrtFcDeYuKSf6YzN8BHSKIjMQ+8 2LE2LI7FzBnadeVUL1BWtFSZ4S+rBv0+4X8iDDYm9FiV3vuRUeRuwkQkRokHPeEhT/+8 JPdwcFznU8n4aJ3GguAIj7cjonnmAgy7EfX22gqxdgHsCJNwz0VTOZI+kmfen900bTrA sEKDRKTn9TjzJhuIw0uf2XEF/bJDVSjrm4ShO7axi3kxhs8uDsulnupO/Bcz1fN2k9Wr DwrA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701094578; x=1701699378; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=eVNRTBYkQ35refPua6fnWM3rCBTplvWDVxVAY6Q7+Wo=; b=bHXQ1y0/46uub6MoWPE8X/R3FY4BdnGre5KitjI2ZPkp5TkCSdlAaH1Q4myfYL3pP2 iDTSka5SRkQcxju/DinShT/ZHDZiz0EOZDDcisMcwiOOp/gl5x40S4uv2ZYTjbziVaZy oOi+HPv9heA9vi77kz4GCMjJ1ZMYCKs/M2xQFPsjKsol9tILQQw4ahO9olxWHuGvGxoa aLyiQFzdf5OHW4zPL5XA0HNEUndtbWO9MHA3EPlDIqedVVLJLTlQxYZrOpoCN51LkpYh Wyt+zbYHGkhk6eFBiUuRNmbXX6gKUjDprGlyCskCjH+yV1inovlG+UraxdyqanBrMcQU uCZg== X-Gm-Message-State: AOJu0YxSXhdfdqx2o/kCWWkygjoObPy4kCugKkQAlcxSiZ/SCeuwrXgS iRFAyJkHvY9eU9Bc9Cvdqn5bGw== X-Google-Smtp-Source: AGHT+IEZUxmSOKvYVwtL0F7BrhlYoGaqOU8AJQaYo2RkaaxHLkEg9bcAwxd0mdj4l3PkFiSHNjGBmg== X-Received: by 2002:a2e:b5b6:0:b0:2c9:9a20:f496 with SMTP id f22-20020a2eb5b6000000b002c99a20f496mr3657189ljn.29.1701094577880; Mon, 27 Nov 2023 06:16:17 -0800 (PST) Received: from brgl-uxlite.home ([2a01:cb1d:334:ac00:bf33:77c7:8131:5e64]) by smtp.gmail.com with ESMTPSA id be7-20020a05600c1e8700b00405442edc69sm14658830wmb.14.2023.11.27.06.16.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Nov 2023 06:16:17 -0800 (PST) From: Bartosz Golaszewski To: Andy Gross , Bjorn Andersson , Konrad Dybcio , Elliot Berman , Krzysztof Kozlowski , Guru Das Srinagesh , Andrew Halaney , Maximilian Luz , Alex Elder , Srini Kandagatla Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kernel@quicinc.com, Bartosz Golaszewski Subject: [PATCH v6 07/13] firmware: qcom: scm: make qcom_scm_lmh_dcvsh() use the TZ allocator Date: Mon, 27 Nov 2023 15:15:54 +0100 Message-Id: <20231127141600.20929-8-brgl@bgdev.pl> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20231127141600.20929-1-brgl@bgdev.pl> References: <20231127141600.20929-1-brgl@bgdev.pl> 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" From: Bartosz Golaszewski Let's use the new TZ memory allocator to obtain a buffer for this call instead of using dma_alloc_coherent(). Signed-off-by: Bartosz Golaszewski Reviewed-by: Andrew Halaney Tested-by: Andrew Halaney # sc8280xp-lenovo-thinkpad-= x13s --- drivers/firmware/qcom/qcom_scm.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/firmware/qcom/qcom_scm.c b/drivers/firmware/qcom/qcom_= scm.c index 31071a714cf1..11638daa2fe5 100644 --- a/drivers/firmware/qcom/qcom_scm.c +++ b/drivers/firmware/qcom/qcom_scm.c @@ -1340,8 +1340,6 @@ EXPORT_SYMBOL_GPL(qcom_scm_lmh_profile_change); int qcom_scm_lmh_dcvsh(u32 payload_fn, u32 payload_reg, u32 payload_val, u64 limit_node, u32 node_id, u64 version) { - dma_addr_t payload_phys; - u32 *payload_buf; int ret, payload_size =3D 5 * sizeof(u32); =20 struct qcom_scm_desc desc =3D { @@ -1356,7 +1354,9 @@ int qcom_scm_lmh_dcvsh(u32 payload_fn, u32 payload_re= g, u32 payload_val, .owner =3D ARM_SMCCC_OWNER_SIP, }; =20 - payload_buf =3D dma_alloc_coherent(__scm->dev, payload_size, &payload_phy= s, GFP_KERNEL); + u32 *payload_buf __free(qcom_tzmem) =3D qcom_tzmem_alloc(__scm->mempool, + payload_size, + GFP_KERNEL); if (!payload_buf) return -ENOMEM; =20 @@ -1366,11 +1366,10 @@ int qcom_scm_lmh_dcvsh(u32 payload_fn, u32 payload_= reg, u32 payload_val, payload_buf[3] =3D 1; payload_buf[4] =3D payload_val; =20 - desc.args[0] =3D payload_phys; + desc.args[0] =3D qcom_tzmem_to_phys(payload_buf); =20 ret =3D qcom_scm_call(__scm->dev, &desc, NULL); =20 - dma_free_coherent(__scm->dev, payload_size, payload_buf, payload_phys); return ret; } EXPORT_SYMBOL_GPL(qcom_scm_lmh_dcvsh); --=20 2.40.1