From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9595C38B4E5; Mon, 5 May 2025 23:01:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746486077; cv=none; b=XNvYsFX6vgkMMivoTSDy1poIeWXa1K+QN7KOZpvhjm6GKAXVwdgHpGxEi56Mp2EKEGS4TgNq31z33d+T/TlMixyW49uDK9l174DofGU1v1CmCYp5JbWD82n2O7L9t6G3yVPqAc1E4ciFQsY/u6KHafMkfVaJNGbOjfOLPrCnE9Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746486077; c=relaxed/simple; bh=nRXZWQ0Huk6GYkFIlGU5Ccxqrz5dQqiUNH2qI+MsMxw=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=ttHQkia2z2hNCh32WoI9Y2cHNk0mWfVkJLDwjw7QuVGxMvLJbmlPhTf2BEr0nbEVmATJ/pinBYrBjDEqkvCy5q3wnX7b54brvoZ1uxX/08pcsrDuJH3d3PenLBUNp/2ZPgwQt6nUnzODWlYY3Q6cJE+9x8/XZUajKUCHAcJp45M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PUTCbBXp; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="PUTCbBXp" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5AFCBC4CEEF; Mon, 5 May 2025 23:01:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746486077; bh=nRXZWQ0Huk6GYkFIlGU5Ccxqrz5dQqiUNH2qI+MsMxw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PUTCbBXp+yJscuHBWJEEVvI3Yd02XMDapCEm8Gu8u5EA42xMHdGbz545b10n2rZMI Zflvh+npbOe1fGxEn2DeADrPOX4/p2aL0Upkgbu+O/ZEyHPiXSqEnZ5gJ9v1Bszdb6 VeY7D4TPlBDGMZv49fnJL5Zc945iaTMLabGpxds0z88WP9cxuFXal35nzTDjGhvG2N Xg7bHIaPQOJ0Idf6FLnVr6KroufIFku8spEv1O/6pKHC7u/JpKix8HqRFfSW5t5Q3y cHXCC6800OSuyAIcY8UZviNfK1JWc3tzwD6ecm+j0iGXw/6VO0baxBHOKrkX4skjzj pt++mEV7ofLXQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Viresh Kumar , Sudeep Holla , Sasha Levin , linux-arm-kernel@lists.infradead.org Subject: [PATCH AUTOSEL 6.6 143/294] firmware: arm_ffa: Set dma_mask for ffa devices Date: Mon, 5 May 2025 18:54:03 -0400 Message-Id: <20250505225634.2688578-143-sashal@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250505225634.2688578-1-sashal@kernel.org> References: <20250505225634.2688578-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.6.89 Content-Transfer-Encoding: 8bit From: Viresh Kumar [ Upstream commit cc0aac7ca17e0ea3ca84b552fc79f3e86fd07f53 ] Set dma_mask for FFA devices, otherwise DMA allocation using the device pointer lead to following warning: WARNING: CPU: 1 PID: 1 at kernel/dma/mapping.c:597 dma_alloc_attrs+0xe0/0x124 Signed-off-by: Viresh Kumar Message-Id: Signed-off-by: Sudeep Holla Signed-off-by: Sasha Levin --- 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 7865438b36960..d885e1381072a 100644 --- a/drivers/firmware/arm_ffa/bus.c +++ b/drivers/firmware/arm_ffa/bus.c @@ -191,6 +191,7 @@ struct ffa_device *ffa_device_register(const uuid_t *uuid, int vm_id, dev = &ffa_dev->dev; dev->bus = &ffa_bus_type; dev->release = ffa_release_device; + dev->dma_mask = &dev->coherent_dma_mask; dev_set_name(&ffa_dev->dev, "arm-ffa-%d", id); ffa_dev->id = id; -- 2.39.5