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[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-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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);