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Fri, 17 Jan 2025 02:06:02 -0800 (PST) Received: from localhost ([122.172.84.139]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2f77616117bsm1606075a91.20.2025.01.17.02.06.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Jan 2025 02:06:01 -0800 (PST) From: Viresh Kumar To: Sudeep Holla Cc: Viresh Kumar , Vincent Guittot , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Bill Mills , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] firmware: arm_ffa: Set dma_mask for ffa devices Date: Fri, 17 Jan 2025 15:35:52 +0530 Message-Id: X-Mailer: git-send-email 2.31.1.272.g89b43f80a514 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" Set dma_mask for FFA devices, otherwise DMA allocation using the device poi= nter lead to following warning: WARNING: CPU: 1 PID: 1 at kernel/dma/mapping.c:597 dma_alloc_attrs+0xe0/0x1= 24 Signed-off-by: Viresh Kumar --- drivers/firmware/arm_ffa/bus.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/firmware/arm_ffa/bus.c b/drivers/firmware/arm_ffa/bus.c index 587118f5285b..9dd5f6f805aa 100644 --- a/drivers/firmware/arm_ffa/bus.c +++ b/drivers/firmware/arm_ffa/bus.c @@ -247,6 +247,7 @@ ffa_device_register(const struct ffa_partition_info *pa= rt_info, dev =3D &ffa_dev->dev; dev->bus =3D &ffa_bus_type; dev->release =3D ffa_release_device; + dev->dma_mask =3D &dev->coherent_dma_mask; dev_set_name(&ffa_dev->dev, "arm-ffa-%d", id); =20 ffa_dev->id =3D id; --=20 2.31.1.272.g89b43f80a514