From patchwork Wed Sep 13 19:53:51 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Umang Jain X-Patchwork-Id: 13383724 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1AD88EE020B for ; Wed, 13 Sep 2023 19:54:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=V+bUfYRELaRs3hM793FIJIukhHsad9yGxt5FmdadXfc=; b=Wa6KBdAS9BeZyZ 1heN5ZC4eFpFfqiboqWqvtnSjnuZREADq/Y0z1GOZypxxh6/Gm8wppgxeAsttSocTl/WW5ZfxH7Yh wZxTWd2rZ2EqUJiqXZbO3ojRfhQ7UXb2BiV0N1RmE3UebShbaaewdTdHBFWMKyaPFKhYJ4oWZh0b0 aLPHjEVCdAVSaEB2REOlz1cZEILG8hWZbhKEOniH/BXZJW3/b5iwHM5Dw2dXFl5laPNkD8FwS3+Gw QWdsVzsM7QOacQkw5fr6+vVACSBo0dwgwtXiL67e+DSw5162vgHPKLKilkF6Dkexx9cJ3DOueGOC5 0tANxri7scLuHWqafVoQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qgVwM-006dWu-1d; Wed, 13 Sep 2023 19:54:22 +0000 Received: from perceval.ideasonboard.com ([213.167.242.64]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qgVwH-006dV9-3C; Wed, 13 Sep 2023 19:54:19 +0000 Received: from umang.jainideasonboard.com (unknown [103.86.18.170]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id C2F8C16B7; Wed, 13 Sep 2023 21:52:39 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1694634764; bh=LPrKroR5yvaMCi5yUrTeV3TcH+SVi4IliBcGKe/xNZs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JVHIo3BT8JJYCSZiTQFHSrCxkmaeFW1ccL9l97hthLz8Vbo+ogKSUdqEockcOz+HG V/DnCy+EbW4VeIb/aE8TZ0U9b3F8dM1ktVWiXmxtxxv50UfEB56NmpNxZgU1hHtYHz ZPH2jWYrvIiTyY20pIvDANgNYl2TuGfPvPRMMiao= From: Umang Jain To: linux-staging@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-rpi-kernel@lists.infradead.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Stefan Wahren , Greg Kroah-Hartman , Florian Fainelli , Adrien Thierry , Dan Carpenter , Dave Stevenson , Kieran Bingham , Laurent Pinchart , Umang Jain Subject: [PATCH v11 2/5] staging: vc04_services: vchiq_arm: Register vchiq_bus_type Date: Thu, 14 Sep 2023 01:23:51 +0530 Message-Id: <20230913195354.835884-3-umang.jain@ideasonboard.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230913195354.835884-1-umang.jain@ideasonboard.com> References: <20230913195354.835884-1-umang.jain@ideasonboard.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230913_125418_172375_CFE5BCF6 X-CRM114-Status: GOOD ( 10.98 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Register the vchiq_bus_type bus with the vchiq interface. The bcm2835-camera and bcm2835_audio will be registered to this bus type going ahead. Signed-off-by: Umang Jain Reviewed-by: Kieran Bingham --- .../vc04_services/interface/vchiq_arm/vchiq_arm.c | 13 ++++++++++++- .../interface/vchiq_arm/vchiq_device.c | 7 ------- 2 files changed, 12 insertions(+), 8 deletions(-) diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c index aa2313f3bcab..d993a91de237 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include #include @@ -34,6 +35,7 @@ #include "vchiq_ioctl.h" #include "vchiq_arm.h" #include "vchiq_debugfs.h" +#include "vchiq_device.h" #include "vchiq_connected.h" #include "vchiq_pagelist.h" @@ -1870,9 +1872,17 @@ static int __init vchiq_driver_init(void) { int ret; + ret = bus_register(&vchiq_bus_type); + if (ret) { + pr_err("Failed to register %s\n", vchiq_bus_type.name); + return ret; + } + ret = platform_driver_register(&vchiq_driver); - if (ret) + if (ret) { pr_err("Failed to register vchiq driver\n"); + bus_unregister(&vchiq_bus_type); + } return ret; } @@ -1880,6 +1890,7 @@ module_init(vchiq_driver_init); static void __exit vchiq_driver_exit(void) { + bus_unregister(&vchiq_bus_type); platform_driver_unregister(&vchiq_driver); } module_exit(vchiq_driver_exit); diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_device.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_device.c index aad55c461905..b8c46f39e74a 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_device.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_device.c @@ -74,13 +74,6 @@ vchiq_device_register(struct device *parent, const char *name) device->dev.bus = &vchiq_bus_type; device->dev.release = vchiq_device_release; - of_dma_configure(&device->dev, parent->of_node, true); - ret = dma_set_mask_and_coherent(&device->dev, DMA_BIT_MASK(32)); - if (ret) { - dev_err(&device->dev, "32-bit DMA enable failed\n"); - return NULL; - } - ret = device_register(&device->dev); if (ret) { dev_err(parent, "Cannot register %s: %d\n", name, ret);