From nobody Thu Dec 18 08:15:58 2025 Received: from mail-ed1-f47.google.com (mail-ed1-f47.google.com [209.85.208.47]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B6589244E8F for ; Wed, 5 Mar 2025 13:06:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.47 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741180006; cv=none; b=mEWDAjgWd05h6k7A7u8kt9l+tyXLLDa6IiZhRC0M/wB4kFPh0YJNIz9RVNH0UsDXjlUV6bEM1+qYesYuVSkB+mbaDuDijt5+goh/zZhG9/kEDqK18nzHHYiyPrLmCn0EpzwSGlFWAREDKdBAzCXwUilUBeUkN9PHSrBis9ZQHsQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741180006; c=relaxed/simple; bh=BvsTKZrTmJtBWMLNRcmoFZmyCAxTZH+npaWxoS3hl3g=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=nx3bT0I1b8P7k9d3BIdi4KkTRU2XBeeovFC/vwsd91muD8TF6tDfMslXif5lSggd8OfRykQIGMSU3GOLrWx2kw3v+oE471uyXb2mcT55Fc2pbGZD0UV7jXQLKo9/+rOYtcH4g7p8vKNy5ivrjwAXvTdwtnm4cdUtK4sSbHVO/6c= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=GzWEhalm; arc=none smtp.client-ip=209.85.208.47 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="GzWEhalm" Received: by mail-ed1-f47.google.com with SMTP id 4fb4d7f45d1cf-5dc89df7eccso11114398a12.3 for ; Wed, 05 Mar 2025 05:06:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1741180002; x=1741784802; 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=BvA69GRM940nbh4WvjTd5eG8jH1Ow0PBoCzHHS2i3Ls=; b=GzWEhalmhDsyQTnREW1kBlDeGGPadjXbWIbImd9oa9hF6Mdi6qXYkYmwyXM9p9+QKH JNtjf6+QaefbYFq9mY7R2AGQhUEENJRW1x6s541XoHeSyeHwUfalyzUFMaNtZmbos/3E yOuueveo5CZJIvzIrnhPRQOuUKDR/lm3484SnOzruNqjB5zxclw38uq5WE9oW3QlpMmp tkYilKpdP2/ZKXFwSPOG5XAspUkX/Sq3lG1CJuY7EBGjLG7o48TVdGgO2RTaEZExJ8+K tFpGQtl9wAjBXtIbHn0lVQ0iBp0ldiwWFaPG5G/cHWbyi7fngd7JWhodzqK/Bd51Oluc 1Vjw== 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=ep3X94PI8lpy/qBJus6wI9Y2f1PKapIVrj2nPh+w34PvwnmTA7llVBUWOmEauUlt8m 5oJmZqZy4VEQ4F6GV/p8zMZoS4ZbDEf/MaZHylEyRAsdR/2xf6EqVJKdAFuTCPFfwcHG Yfxd10RgV0u7QBPSkFkEYqWAn9wEWc1H5ff6IM4VM81EJfqCLqM6pH1bV96KoJsvgmKl XNiqkB7u0/4b0FBnx9og0N4QxTchkaAGKLxl5aFdCbRJViCZX6jfWRU1rSu6uJGoFv3+ 5ktRHGivtZwxOOCgnkZNCtsc/pukLXNyFrXSU5PWKOeBSkGLoa7gB+f1D7IWkD8z++uT lkzQ== X-Gm-Message-State: AOJu0YwXTZ3LtgYBjHv0WdZRdJTjDYQ/kuIQ5YPUqx+AGsZP9krmmd8f QVT8qVNlCrGGHNf2VqzBqFZhkgdCAIKI+aQdffrc7SNw+TorFno9l/DtB7gAxX9Mm4GNffJwZYo wuSU= X-Gm-Gg: ASbGncu9EyOeXFtQbvG4C6muNeDZGChdH/u19gfea8HFBXjZeTNk5bSoZBl+EJhG7tT yhzv3cpkJDVi6ocCwwb7+UHmnS2H3VIWhbQjEB25r9pmfZypTG8XjC4NCRBfNJZ7RzlTPrX4T73 b5JLEO8k6Xp29bAJ2tgt/xmx9EV9ssVj8m8WpHzqiKuYM0Z6780kJ59L9xdlSUEiOyimj3sMXBy CqB3ZLvKLcqEJI/kslKoi6RpJgudFwzd0Pp278sXIevhbDTzPk2lfQZTog/LprQp8zIBLCy5fgi j5F9LpWkzfj8vn7P0BYFyOkEFL5Syh4qAUJsWz3ufC1eTFIk92cgKi3Qnrazu+QygkQSXy5ttcH oUmpc5bzukitf8oBUTbkp2A== 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=20K=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> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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 Reviewed-by: Sumit Garg --- 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_de= sc *teedesc, teedev->dev.class =3D &tee_class; teedev->dev.release =3D tee_release_device; teedev->dev.parent =3D dev; + if (dev) + teedev->dev.dma_mask =3D dev->dma_mask; =20 teedev->dev.devt =3D MKDEV(MAJOR(tee_devt), teedev->id); =20 --=20 2.43.0