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 848B022F74E; Mon, 2 Jun 2025 15:09:19 +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=1748876960; cv=none; b=pHOCKt0r/ffDZLXmZFperrTGVHvs0SqxHpX8sgbw/87lGOmJQMG107tSl/HpkStsLDGATkRlq/uPoKbDwY7UaBLcOBGVtw9wlsGKeIIPzpSXfjcbUfslpaLZzZgfPRdz8LmHjTM4JnW9ZZXSZPTogyV8SQXwfFFeq+OBHtfx4EQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748876960; c=relaxed/simple; bh=hqbYJ9eJpsAWNr6fNZXC8Cc2hR+tUqVYB6v3bfVmGto=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=t+pKGRT+4MKGX2S8WNiYSxLWSc/MDu/C9cnSMxDdGIyZV5lVTD+HkJQSp6kpwX/upIsBmyoCg8QF+niw57sJJlFUx0Pt8FVu3zcG/ji91jaJR/NlcxNXTzzE/S42g2oKRBhXWYzYYlRktw3GD8iyZehpz3htGzVPh44HqNNOtCg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=vuQfVIxr; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="vuQfVIxr" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 874EAC4CEEB; Mon, 2 Jun 2025 15:09:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1748876959; bh=hqbYJ9eJpsAWNr6fNZXC8Cc2hR+tUqVYB6v3bfVmGto=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vuQfVIxrdXEoFmnyAQ65MQZyY2dkfHkdko9d491gumY+gEF3F5O/A8RIvkmf4s+en 1ra86PZ3PrrKqr6x3wS2xan1OvzjXO/7V7Xmw0Xlx9/ZuDY/QVRNS6Fn6wDTomg1Js jHG2WMGAfVXneGXacPaZeU62WhvSYb2b8OMYsJzk= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Viresh Kumar , Sudeep Holla , Sasha Levin Subject: [PATCH 6.1 127/325] firmware: arm_ffa: Set dma_mask for ffa devices Date: Mon, 2 Jun 2025 15:46:43 +0200 Message-ID: <20250602134324.963304962@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250602134319.723650984@linuxfoundation.org> References: <20250602134319.723650984@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ 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 248594b59c64d..5bda5d7ade42d 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