From patchwork Thu Jul 18 10:52:53 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sergey Temerkhanov X-Patchwork-Id: 13736384 X-Patchwork-Delegate: kuba@kernel.org Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.16]) (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 45C1B1386A7 for ; Thu, 18 Jul 2024 10:54:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.16 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721300081; cv=none; b=XHegCjmjxMGADcIfPJ4Ox9EQOQCj9c7d5DmrxV8faWGH9OV0FNAxYA33sl9b1fMKRf/p6SM9hGC4GMYRcz+xJGcR/b849UbNQz7lW+NDw8JjJPzIvRs9U0fOQxM9HnOAQqP+BVfdOVZjG2UWQrUyieoBl5rjsPyUaZj8rsqlPmM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721300081; c=relaxed/simple; bh=aBqmcsE9YgyoBQvVjDaepi2ZtDF6aG7E3BgGQq3HDeI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=HuLIQXPlWAXtxWQMNttN3aLq5fYdE4POY8Y5N0UKsro3+HWuTmc6orUw0hsCQaIAdPj4UM17QEo3HyVcXh34g8E+Bs2U7WO4yGwOAVchDSrUi2X0lDhkZQuEVs7XctzNlien4IlnYaHMQDTAyD1hawxgpbDhTlaztPzue9iW3hI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=TC4rILgf; arc=none smtp.client-ip=198.175.65.16 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="TC4rILgf" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1721300079; x=1752836079; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=aBqmcsE9YgyoBQvVjDaepi2ZtDF6aG7E3BgGQq3HDeI=; b=TC4rILgfog/XRMjGFuNQ8K0uOY5R6a3nYhLKqKsoEINEUDQ32gd/jGYg pfRAjYTxupMvFdGBSMzhQYR+neDBB/ooORjwDEzjUZfPD2xF0kKQYGZso oKZ56a2Ilu6s77H8qIWl4lN7ZEbY9nkOSraf92O7hB+fqdixX7l/FQKAw S+0DcX5/0U+KtTtSWj5ovHgnZwVYIVRh9dxvcnzGoJA0+/8QcmiCfO+Jc nHZYpY4laY/ROku5nnMNRSo5OkVRv8mYJLW86g9DwSYIaRXSEt2jvIhmM u0HVkGxN60nJMbKCzhWgEo3HxlI4oAWK2WXtvgJIBw0TcTyaLZxdxKakw w==; X-CSE-ConnectionGUID: PasRWCniQo2St0F8kzoEHQ== X-CSE-MsgGUID: ult043tYRTy1CXpAsjUBYw== X-IronPort-AV: E=McAfee;i="6700,10204,11136"; a="18987505" X-IronPort-AV: E=Sophos;i="6.09,217,1716274800"; d="scan'208";a="18987505" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Jul 2024 03:54:39 -0700 X-CSE-ConnectionGUID: 5jcq00hwSMWkgHzCzsscow== X-CSE-MsgGUID: HiC0RPXWS8qgm6KhHDTr4g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.09,217,1716274800"; d="scan'208";a="50774628" Received: from unknown (HELO localhost.igk.intel.com) ([10.211.13.141]) by orviesa009.jf.intel.com with ESMTP; 18 Jul 2024 03:54:37 -0700 From: Sergey Temerkhanov To: intel-wired-lan@lists.osuosl.org Cc: netdev@vger.kernel.org, Sergey Temerkhanov , Przemek Kitszel , Simon Horman Subject: [PATCH iwl-next v4 5/5] ice: Drop auxbus use for PTP to finalize ice_adapter move Date: Thu, 18 Jul 2024 12:52:53 +0200 Message-ID: <20240718105253.72997-6-sergey.temerkhanov@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240718105253.72997-1-sergey.temerkhanov@intel.com> References: <20240718105253.72997-1-sergey.temerkhanov@intel.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Organization: Intel Technology Poland sp. z o.o. - ul. Slowackiego 173, 80-298 Gdansk - KRS 101882 - NIP 957-07-52-316 X-Patchwork-Delegate: kuba@kernel.org Drop unused auxbus/auxdev support from the PTP code due to move to the ice_adapter. Signed-off-by: Sergey Temerkhanov Reviewed-by: Przemek Kitszel Reviewed-by: Simon Horman Reviewed-by: Jacob Keller --- drivers/net/ethernet/intel/ice/ice_ptp.c | 252 ----------------------- drivers/net/ethernet/intel/ice/ice_ptp.h | 21 -- 2 files changed, 273 deletions(-) diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.c b/drivers/net/ethernet/intel/ice/ice_ptp.c index 48bc29182cb8..89a8513534f8 100644 --- a/drivers/net/ethernet/intel/ice/ice_ptp.c +++ b/drivers/net/ethernet/intel/ice/ice_ptp.c @@ -3011,188 +3011,6 @@ static void ice_ptp_cleanup_pf(struct ice_pf *pf) mutex_unlock(&pf->adapter->ports.lock); } } -/** - * ice_ptp_aux_dev_to_aux_pf - Get auxiliary PF handle for the auxiliary device - * @aux_dev: auxiliary device to get the auxiliary PF for - */ -static struct ice_pf * -ice_ptp_aux_dev_to_aux_pf(struct auxiliary_device *aux_dev) -{ - struct ice_ptp_port *aux_port; - struct ice_ptp *aux_ptp; - - aux_port = container_of(aux_dev, struct ice_ptp_port, aux_dev); - aux_ptp = container_of(aux_port, struct ice_ptp, port); - - return container_of(aux_ptp, struct ice_pf, ptp); -} - -/** - * ice_ptp_aux_dev_to_owner_pf - Get PF handle for the auxiliary device - * @aux_dev: auxiliary device to get the PF for - */ -static struct ice_pf * -ice_ptp_aux_dev_to_owner_pf(struct auxiliary_device *aux_dev) -{ - struct ice_ptp_port_owner *ports_owner; - struct auxiliary_driver *aux_drv; - struct ice_ptp *owner_ptp; - - if (!aux_dev->dev.driver) - return NULL; - - aux_drv = to_auxiliary_drv(aux_dev->dev.driver); - ports_owner = container_of(aux_drv, struct ice_ptp_port_owner, - aux_driver); - owner_ptp = container_of(ports_owner, struct ice_ptp, ports_owner); - return container_of(owner_ptp, struct ice_pf, ptp); -} - -/** - * ice_ptp_auxbus_probe - Probe auxiliary devices - * @aux_dev: PF's auxiliary device - * @id: Auxiliary device ID - */ -static int ice_ptp_auxbus_probe(struct auxiliary_device *aux_dev, - const struct auxiliary_device_id *id) -{ - struct ice_pf *owner_pf = ice_ptp_aux_dev_to_owner_pf(aux_dev); - struct ice_pf *aux_pf = ice_ptp_aux_dev_to_aux_pf(aux_dev); - - if (WARN_ON(!owner_pf)) - return -ENODEV; - - INIT_LIST_HEAD(&aux_pf->ptp.port.list_node); - mutex_lock(&owner_pf->ptp.ports_owner.lock); - list_add(&aux_pf->ptp.port.list_node, - &owner_pf->ptp.ports_owner.ports); - mutex_unlock(&owner_pf->ptp.ports_owner.lock); - - return 0; -} - -/** - * ice_ptp_auxbus_remove - Remove auxiliary devices from the bus - * @aux_dev: PF's auxiliary device - */ -static void ice_ptp_auxbus_remove(struct auxiliary_device *aux_dev) -{ - struct ice_pf *owner_pf = ice_ptp_aux_dev_to_owner_pf(aux_dev); - struct ice_pf *aux_pf = ice_ptp_aux_dev_to_aux_pf(aux_dev); - - mutex_lock(&owner_pf->ptp.ports_owner.lock); - list_del(&aux_pf->ptp.port.list_node); - mutex_unlock(&owner_pf->ptp.ports_owner.lock); -} - -/** - * ice_ptp_auxbus_shutdown - * @aux_dev: PF's auxiliary device - */ -static void ice_ptp_auxbus_shutdown(struct auxiliary_device *aux_dev) -{ - /* Doing nothing here, but handle to auxbus driver must be satisfied */ -} - -/** - * ice_ptp_auxbus_suspend - * @aux_dev: PF's auxiliary device - * @state: power management state indicator - */ -static int -ice_ptp_auxbus_suspend(struct auxiliary_device *aux_dev, pm_message_t state) -{ - /* Doing nothing here, but handle to auxbus driver must be satisfied */ - return 0; -} - -/** - * ice_ptp_auxbus_resume - * @aux_dev: PF's auxiliary device - */ -static int ice_ptp_auxbus_resume(struct auxiliary_device *aux_dev) -{ - /* Doing nothing here, but handle to auxbus driver must be satisfied */ - return 0; -} - -/** - * ice_ptp_auxbus_create_id_table - Create auxiliary device ID table - * @pf: Board private structure - * @name: auxiliary bus driver name - */ -static struct auxiliary_device_id * -ice_ptp_auxbus_create_id_table(struct ice_pf *pf, const char *name) -{ - struct auxiliary_device_id *ids; - - /* Second id left empty to terminate the array */ - ids = devm_kcalloc(ice_pf_to_dev(pf), 2, - sizeof(struct auxiliary_device_id), GFP_KERNEL); - if (!ids) - return NULL; - - snprintf(ids[0].name, sizeof(ids[0].name), "ice.%s", name); - - return ids; -} - -/** - * ice_ptp_register_auxbus_driver - Register PTP auxiliary bus driver - * @pf: Board private structure - */ -static int __always_unused ice_ptp_register_auxbus_driver(struct ice_pf *pf) -{ - struct auxiliary_driver *aux_driver; - struct ice_ptp *ptp; - struct device *dev; - char *name; - int err; - - ptp = &pf->ptp; - dev = ice_pf_to_dev(pf); - aux_driver = &ptp->ports_owner.aux_driver; - INIT_LIST_HEAD(&ptp->ports_owner.ports); - mutex_init(&ptp->ports_owner.lock); - name = devm_kasprintf(dev, GFP_KERNEL, "ptp_aux_dev_%u_%u_clk%u", - pf->pdev->bus->number, PCI_SLOT(pf->pdev->devfn), - ice_get_ptp_src_clock_index(&pf->hw)); - if (!name) - return -ENOMEM; - - aux_driver->name = name; - aux_driver->shutdown = ice_ptp_auxbus_shutdown; - aux_driver->suspend = ice_ptp_auxbus_suspend; - aux_driver->remove = ice_ptp_auxbus_remove; - aux_driver->resume = ice_ptp_auxbus_resume; - aux_driver->probe = ice_ptp_auxbus_probe; - aux_driver->id_table = ice_ptp_auxbus_create_id_table(pf, name); - if (!aux_driver->id_table) - return -ENOMEM; - - err = auxiliary_driver_register(aux_driver); - if (err) { - devm_kfree(dev, aux_driver->id_table); - dev_err(dev, "Failed registering aux_driver, name <%s>\n", - name); - } - - return err; -} - -/** - * ice_ptp_unregister_auxbus_driver - Unregister PTP auxiliary bus driver - * @pf: Board private structure - */ -static void __always_unused ice_ptp_unregister_auxbus_driver(struct ice_pf *pf) -{ - struct auxiliary_driver *aux_driver = &pf->ptp.ports_owner.aux_driver; - - auxiliary_driver_unregister(aux_driver); - devm_kfree(ice_pf_to_dev(pf), aux_driver->id_table); - - mutex_destroy(&pf->ptp.ports_owner.lock); -} /** * ice_ptp_clock_index - Get the PTP clock index for this device @@ -3331,76 +3149,6 @@ static int ice_ptp_init_port(struct ice_pf *pf, struct ice_ptp_port *ptp_port) } } -/** - * ice_ptp_release_auxbus_device - * @dev: device that utilizes the auxbus - */ -static void ice_ptp_release_auxbus_device(struct device *dev) -{ - /* Doing nothing here, but handle to auxbux device must be satisfied */ -} - -/** - * ice_ptp_create_auxbus_device - Create PTP auxiliary bus device - * @pf: Board private structure - */ -static __always_unused int ice_ptp_create_auxbus_device(struct ice_pf *pf) -{ - struct auxiliary_device *aux_dev; - struct ice_ptp *ptp; - struct device *dev; - char *name; - int err; - u32 id; - - ptp = &pf->ptp; - id = ptp->port.port_num; - dev = ice_pf_to_dev(pf); - - aux_dev = &ptp->port.aux_dev; - - name = devm_kasprintf(dev, GFP_KERNEL, "ptp_aux_dev_%u_%u_clk%u", - pf->pdev->bus->number, PCI_SLOT(pf->pdev->devfn), - ice_get_ptp_src_clock_index(&pf->hw)); - if (!name) - return -ENOMEM; - - aux_dev->name = name; - aux_dev->id = id; - aux_dev->dev.release = ice_ptp_release_auxbus_device; - aux_dev->dev.parent = dev; - - err = auxiliary_device_init(aux_dev); - if (err) - goto aux_err; - - err = auxiliary_device_add(aux_dev); - if (err) { - auxiliary_device_uninit(aux_dev); - goto aux_err; - } - - return 0; -aux_err: - dev_err(dev, "Failed to create PTP auxiliary bus device <%s>\n", name); - devm_kfree(dev, name); - return err; -} - -/** - * ice_ptp_remove_auxbus_device - Remove PTP auxiliary bus device - * @pf: Board private structure - */ -static __always_unused void ice_ptp_remove_auxbus_device(struct ice_pf *pf) -{ - struct auxiliary_device *aux_dev = &pf->ptp.port.aux_dev; - - auxiliary_device_delete(aux_dev); - auxiliary_device_uninit(aux_dev); - - memset(aux_dev, 0, sizeof(*aux_dev)); -} - /** * ice_ptp_init_tx_interrupt_mode - Initialize device Tx interrupt mode * @pf: Board private structure diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.h b/drivers/net/ethernet/intel/ice/ice_ptp.h index 9e3ddc83a8f4..aaf1ba79aa2e 100644 --- a/drivers/net/ethernet/intel/ice/ice_ptp.h +++ b/drivers/net/ethernet/intel/ice/ice_ptp.h @@ -140,7 +140,6 @@ struct ice_ptp_tx { * * @list_node: list member structure * @tx: Tx timestamp tracking for this port - * @aux_dev: auxiliary device associated with this port * @ov_work: delayed work task for tracking when PHY offset is valid * @ps_lock: mutex used to protect the overall PTP PHY start procedure * @link_up: indicates whether the link is up @@ -150,7 +149,6 @@ struct ice_ptp_tx { struct ice_ptp_port { struct list_head list_node; struct ice_ptp_tx tx; - struct auxiliary_device aux_dev; struct kthread_delayed_work ov_work; struct mutex ps_lock; /* protects overall PTP PHY start procedure */ bool link_up; @@ -164,23 +162,6 @@ enum ice_ptp_tx_interrupt { ICE_PTP_TX_INTERRUPT_ALL, }; -/** - * struct ice_ptp_port_owner - data used to handle the PTP clock owner info - * - * This structure contains data necessary for the PTP clock owner to correctly - * handle the timestamping feature for all attached ports. - * - * @aux_driver: the structure carring the auxiliary driver information - * @ports: list of porst handled by this port owner - * @lock: protect access to ports list - */ - -struct ice_ptp_port_owner { - struct auxiliary_driver aux_driver; - struct list_head ports; - struct mutex lock; -}; - #define GLTSYN_TGT_H_IDX_MAX 4 enum ice_ptp_state { @@ -245,7 +226,6 @@ struct ice_ptp_pin_desc { * @state: current state of PTP state machine * @tx_interrupt_mode: the TX interrupt mode for the PTP clock * @port: data for the PHY port initialization procedure - * @ports_owner: data for the auxiliary driver owner * @work: delayed work function for periodic tasks * @cached_phc_time: a cached copy of the PHC time for timestamp extension * @cached_phc_jiffies: jiffies when cached_phc_time was last updated @@ -270,7 +250,6 @@ struct ice_ptp { enum ice_ptp_state state; enum ice_ptp_tx_interrupt tx_interrupt_mode; struct ice_ptp_port port; - struct ice_ptp_port_owner ports_owner; struct kthread_delayed_work work; u64 cached_phc_time; unsigned long cached_phc_jiffies;