From patchwork Wed Mar 5 13:04:07 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jens Wiklander X-Patchwork-Id: 14002846 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A1AF5C282E5 for ; Wed, 5 Mar 2025 14:33:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=BvA69GRM940nbh4WvjTd5eG8jH1Ow0PBoCzHHS2i3Ls=; b=oJqCGKgcNR+h/eM12LKRKdSJt7 TQmK9lnToo0SWOqNdj5D9cR8NSGuLDZ5fjMEX9h3YI0fjxZC8t1ujFjkiP+6G+t5IDs1gIj8GpbO5 +i0V0oFr3OkhNJ519udXQ9Muqj7sS+zbGFX3CK8fUV83xZ6w0qkdigorMYzkaLr3BDZ6dx03BOGkP MmNPqU6SB/gJtrzp9XWCCkj0JiFU1GfpckgAxslHcXzK/zNYKx2jOQm8kegTE/KWMqQdV7lmCRC9c RmbzwX+M6jhG3jfQgUXx2/EguWbwgUavJCBkwfbyJ4nG6NHN5fP3sOAi6/R5rzecAin5KjBnYPASo 51Qdn4kQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tppob-00000008MZ1-3HoF; Wed, 05 Mar 2025 14:33:41 +0000 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tpoSW-000000087pp-0xvH for linux-arm-kernel@bombadil.infradead.org; Wed, 05 Mar 2025 13:06:48 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=BvA69GRM940nbh4WvjTd5eG8jH1Ow0PBoCzHHS2i3Ls=; b=bHlyUaK/fcslgDBCMsBnVkhDWV s6nrIVDyomuLtA+j1ZoGgAerDn1YG+9+O+Zk9U352NcIx/nDNPcImlxhOxq0Ayfs5pV0xK5acrMul oooEVDj+m/foH4dIKjOh2KCKyOHZiBZfe5V0G3iHiO14U6DkhyHb2ATNwdpm7pFfdwZ3Aze+ONTu/ 4PNT2aIeTy1Zi2XCxr2HCKpIoJJVm0K6QBcA1fTF5nZUZQeHxnHkYgLUMYx3QbMd3ia2WGZ+M6iK7 wmf8lBzrUAbX3gcEi8VJjQ4MstpzkmrJd11DaL6RX+CasQwqBgXs4JYAtlAAPpfSRmKrk0zC3Jp9j BnWvjipw==; Received: from mail-ed1-x52e.google.com ([2a00:1450:4864:20::52e]) by casper.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tpoSS-00000005Xbq-3EID for linux-arm-kernel@lists.infradead.org; Wed, 05 Mar 2025 13:06:47 +0000 Received: by mail-ed1-x52e.google.com with SMTP id 4fb4d7f45d1cf-5e535e6739bso6042662a12.1 for ; Wed, 05 Mar 2025 05:06:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1741180002; x=1741784802; darn=lists.infradead.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=BvA69GRM940nbh4WvjTd5eG8jH1Ow0PBoCzHHS2i3Ls=; b=zCBHJuRXDoSzOI6CHdVsOQf4lVUORUd/p+AkzSon/d0Hu7Fk/sD+cFgdRoszXijkj4 BVuFkZ56wUb+2pU0//4mti1A5iY+tUsEz+f14YMcL+8ayfgw31IU2o2IArSvV+hgINqM 6zRXXNsnaHzxZzOVGAwPc2QVY1Tbb6/uvoRLozC0PUXL06kEqvUt98+u3chEF50oca4e em0Z89kLFAkVAX8ux7oemYn9N/BaqyF9vfFp6Rnda0r2+wSdg0b5eAS2pVl6YBw7JZxP lXiJCmwhVfehgVJumQ2i2/tj+74e11hzdbOvTKCd5n//32A1laYitcEGB6ge7SKDyJ+w LW9Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1741180002; x=1741784802; 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=BvA69GRM940nbh4WvjTd5eG8jH1Ow0PBoCzHHS2i3Ls=; b=xKtJdfMfkEo463jbIyPMd0AS5dlCII1TZJGtryly503cAs6LSssoeqD7OqB1LAu3oD FquY8sXDGoBoFDRBarNkUgTVxrkFy+yuNrd1BXqECkADMeDQO39reMTa1/P6wLUJHzWw wngb/XXkjzDGUg7hLbTy9rtKMJc7UuaYbflGsxSENxeOvILxf03mRGfeUTNAcHf1coH5 4shVmH+jxxIK4hY5K7b+3g9Kqv0dkAJbnW6SKevNe05SN/uukuWl9/4yt/RGKwDQ0+3K lw50XQlzfPa26FJ91bTP7uhQcfuD1pVXjNTnbYxar3VwHv/3eOYQxy2GHtHUReI0Bo80 KhgQ== X-Forwarded-Encrypted: i=1; AJvYcCWtADKVtD+hke+m1FZvID5pwCBpg+CH563JQb5Zb7WMh6ypbByQZBn923l7DpyLEHBToNnE2LTiu1FvshsZxmvh@lists.infradead.org X-Gm-Message-State: AOJu0YwT34uFmRmFy25YEHaJPwZGxx2vHQKIKZeh1Kf2omKzqpw7lR2r ykQLGgg07ug5DNRRufXxpi8hPlJwktCZ7v4827cP2cKQNqHiQ2W+0R6KZpvt+yU= X-Gm-Gg: ASbGncuWS3v54l+UenGE7ye+HAblYTcyws7pXPDHfxFoYgyf3DjBRN4l2i6qfPyuw7U 5RBWNocIM7URm+WXdchWrBPozTjbPfbaR1yScpkU0n9PKqUYmBfl8YBk9wWhc+LZiOOzjXx2qHX m6KTaV23kFPwMn18JOURYT1B0f7Xa4lTDr+n8fSouZl+xKta40rIdEWmZae1MpXIbuPWUt+d+L/ qx7xsGKPyQB7DvlhklYAfoLn0ngdzdXnFBC1WqQYgvu9Rjt28eLfuh1jVJ5o3EeZ+sVtl5rnkBL i3WnrB89/Mtfx46dxWtAxTlACZ1dybD0d6oUe3IW6jZp+3uARFgaLxawKY+jzdYWHpzzYSiHIk9 nVa37Zlr6sp/xArB1yFq7yA== X-Google-Smtp-Source: AGHT+IEjtiBAYCTH0+e95UXzOpV6Qk/1lP6TuM4iQbwFmlqCq9fGF9wURhaIIhsi+UMHMk8/oJkTeQ== X-Received: by 2002:a50:c8cd:0:b0:5e5:bcd6:4ad8 with SMTP id 4fb4d7f45d1cf-5e5bcd64d5amr155764a12.9.1741180002364; Wed, 05 Mar 2025 05:06:42 -0800 (PST) Received: from rayden.urgonet (h-98-128-140-123.A175.priv.bahnhof.se. [98.128.140.123]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5e5bcd1595bsm65714a12.42.2025.03.05.05.06.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Mar 2025 05:06:41 -0800 (PST) From: Jens Wiklander To: linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, op-tee@lists.trustedfirmware.org, linux-arm-kernel@lists.infradead.org Cc: Olivier Masse , Thierry Reding , Yong Wu , Sumit Semwal , Benjamin Gaignard , Brian Starkey , John Stultz , "T . J . Mercier" , =?utf-8?q?Christian_K=C3=B6nig?= , Sumit Garg , Matthias Brugger , AngeloGioacchino Del Regno , azarrabi@qti.qualcomm.com, Simona Vetter , Daniel Stone , Jens Wiklander Subject: [PATCH v6 01/10] tee: tee_device_alloc(): copy dma_mask from parent device Date: Wed, 5 Mar 2025 14:04:07 +0100 Message-ID: <20250305130634.1850178-2-jens.wiklander@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250305130634.1850178-1-jens.wiklander@linaro.org> References: <20250305130634.1850178-1-jens.wiklander@linaro.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250305_130644_837439_3CE9F887 X-CRM114-Status: GOOD ( 10.79 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org If a parent device is supplied to tee_device_alloc(), copy the dma_mask field into the new device. This avoids future warnings when mapping a DMA-buf for the device. Signed-off-by: Jens Wiklander --- drivers/tee/tee_core.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/tee/tee_core.c b/drivers/tee/tee_core.c index d113679b1e2d..685afcaa3ea1 100644 --- a/drivers/tee/tee_core.c +++ b/drivers/tee/tee_core.c @@ -922,6 +922,8 @@ struct tee_device *tee_device_alloc(const struct tee_desc *teedesc, teedev->dev.class = &tee_class; teedev->dev.release = tee_release_device; teedev->dev.parent = dev; + if (dev) + teedev->dev.dma_mask = dev->dma_mask; teedev->dev.devt = MKDEV(MAJOR(tee_devt), teedev->id);