From patchwork Wed Jul 19 16:44:22 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Umang Jain X-Patchwork-Id: 704510 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8D7B5C0015E for ; Wed, 19 Jul 2023 16:44:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230239AbjGSQo4 (ORCPT ); Wed, 19 Jul 2023 12:44:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60504 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229989AbjGSQoz (ORCPT ); Wed, 19 Jul 2023 12:44:55 -0400 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 273AE1FED; Wed, 19 Jul 2023 09:44:43 -0700 (PDT) Received: from umang.jainideasonboard.com (unknown [103.86.18.219]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 85F9375B; Wed, 19 Jul 2023 18:43:41 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1689785026; bh=KY0KfMwlJOjWmTN7bkILqIjrm65iQUQb//QhYN5SlzQ=; h=From:To:Cc:Subject:Date:From; b=Kj3BdlBmQMSUxSe130AvRRQc3vM8N6DYZgyJ8b7OJ+kJaOtXNWMbUjdmxkCMgZ+kW CnYrNiDhR9wgLa7GxxqfOa1NUWyVQZ67yEUpd5VQuBNSMvoEuhJbwkAS0d1uR3o0bw U3Le3N7O1WjPxDHdavVAVuUuk0DdYcXjcoDt7EOM= From: Umang Jain To: linux-staging@lists.linux.dev, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Cc: stefan.wahren@i2se.com, gregkh@linuxfoundation.org, f.fainelli@gmail.com, athierry@redhat.com, error27@gmail.com, dave.stevenson@raspberrypi.com, kieran.bingham@ideasonboard.com, laurent.pinchart@ideasonboard.com, Umang Jain Subject: [PATCH v9 0/5] staging: vc04_services: vchiq: Register devices with a custom bus_type Date: Wed, 19 Jul 2023 22:14:22 +0530 Message-Id: <20230719164427.1383646-1-umang.jain@ideasonboard.com> X-Mailer: git-send-email 2.39.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org The patch series added a new bus type vchiq_bus_type and registers child devices in order to move them away from using platform device/driver. Patch 1/5 and 2/5 adds a new bus_type and registers them to vchiq interface Patch 3/5 and 4/5 moves the bcm2835-camera and bcm2835-audio to the new bus respectively Patch 5/5 removes a platform registeration helper which is no longer required. Changes in v9: - Fix module autoloading - Implement bus_type's probe() callback to load drivers - Implement bus_type's uevent() to make sure appropriate drivers are loaded when device are registed from vchiq. Changes in v8: - Drop dual licensing. Instead use GPL-2.0 only for patch 1/5 Changes in v7: (5 out of 6 patches from v6 merged) - Split the main patch (6/6) as requested. - Use struct vchiq_device * instead of struct device * in all bus functions. - Drop additional name attribute displayed in sysfs (redundant info) - Document vchiq_interface doesn't enumerate device discovery - remove EXPORT_SYMBOL_GPL(vchiq_bus_type) Changes in v6: - Split struct device and struct driver wrappers in vchiq_device.[ch] - Move vchiq_bus_type definition to vchiq_device.[ch] as well - return error on bus_register() failure - drop dma_set_mask_and_coherent - trivial variable name change Changes in v5: - Fixup missing "staging: " in commits' subject line - No code changes from v4 Changes in v4: - Introduce patches to drop include directives from Makefile Changes in v3: - Rework entirely to replace platform devices/driver model -v2: https://lore.kernel.org/all/20221222191500.515795-1-umang.jain@ideasonboard.com/ -v1: https://lore.kernel.org/all/20221220084404.19280-1-umang.jain@ideasonboard.com/ Umang Jain (5): staging: vc04_services: vchiq_arm: Add new bus type and device type staging: vc04_services: vchiq_arm: Register vchiq_bus_type staging: bcm2835-camera: Register bcm2835-camera with vchiq_bus_type staging: bcm2835-audio: Register bcm2835-audio with vchiq_bus_type staging: vc04_services: vchiq_arm: Remove vchiq_register_child() drivers/staging/vc04_services/Makefile | 1 + .../vc04_services/bcm2835-audio/bcm2835.c | 20 ++-- .../bcm2835-camera/bcm2835-camera.c | 17 +-- .../interface/vchiq_arm/vchiq_arm.c | 48 ++++----- .../interface/vchiq_arm/vchiq_device.c | 102 ++++++++++++++++++ .../interface/vchiq_arm/vchiq_device.h | 54 ++++++++++ 6 files changed, 196 insertions(+), 46 deletions(-) create mode 100644 drivers/staging/vc04_services/interface/vchiq_arm/vchiq_device.c create mode 100644 drivers/staging/vc04_services/interface/vchiq_arm/vchiq_device.h