From patchwork Wed Jun 26 12:54:56 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sergey Temerkhanov X-Patchwork-Id: 13712878 X-Patchwork-Delegate: kuba@kernel.org Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) (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 5CDFD1822EF for ; Wed, 26 Jun 2024 12:56:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.18 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719406591; cv=none; b=dfjtH8NepahMYxdbc74VOsjwTdK/xrclgD3qb6WSnP2k0m4mB48x6ZUNcw7pLqj48wrwJkaIKB+c3OSXqt78yno2BSSH/dgJOJ40XYEWR4nwG/t1PIM4DXahEMqDlKeybJWdZwP3W522yWp+yiwmTl51hx4Vc9kHM6jEJjsOYTo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719406591; c=relaxed/simple; bh=RFj/sljs8A7J1wwTCeufrl6q5EMho82lEUtRAGiiDCs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=baYzlwG9NCUr6Aokdns7it4RAvAQ37uSebkf8IPsRdeedBh6WsBt8wrVDbNpERAt9FbVfyvnpEKU/fao3GFyNylocYoS6QUWaWSnKBlRD/bV0mO1xpT/ScQzn3UfrL7R8p0tirIWjK1ckH9kGR8bkfZGdH4ebdVsSh+wtgewT0s= 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=Vi++qiqI; arc=none smtp.client-ip=192.198.163.18 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="Vi++qiqI" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1719406589; x=1750942589; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=RFj/sljs8A7J1wwTCeufrl6q5EMho82lEUtRAGiiDCs=; b=Vi++qiqIKj4ffxT/AmGNd0JTkoZFiPETTM+KXsCAJtyK2onnee6odif/ pAq2PYaUKx8wJAzaftoAB1N7XNKoX3iZyQ/Lmex4noy2OWpDZD6tV4n0v y9vUHN2QZvRT/O80Tu+gzbhSe8L8GWbZxSNUZWaZbix7oPE7dONoZGeKz gBj2JELnY6Ybnox6ZNsLpJdcyiM5UJN8Dt4lL+Fs30gQoDxd2ruHjY6dW aPxBtR23A2PD+NzUxdnwCFdcZyW6vHEHY8rcUUMRroioGF+rDxyRsOnuP T9NCmdmUtgsm1l4NGkVT9c+SXqjcsDgmGaoTAko+I/TIUXl/vD2dtrJ5f Q==; X-CSE-ConnectionGUID: vhF3KIHaTOq6qTHgY4N3WQ== X-CSE-MsgGUID: HoWOR8KPTtKPV+TV9/ANBA== X-IronPort-AV: E=McAfee;i="6700,10204,11114"; a="16158115" X-IronPort-AV: E=Sophos;i="6.08,267,1712646000"; d="scan'208";a="16158115" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Jun 2024 05:56:29 -0700 X-CSE-ConnectionGUID: 5Y3kTx1xRwmv30qp74yksQ== X-CSE-MsgGUID: baEJ95qjSa2TL7QTqzTzLg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,267,1712646000"; d="scan'208";a="48594652" Received: from unknown (HELO localhost.igk.intel.com) ([10.211.13.141]) by fmviesa004.fm.intel.com with ESMTP; 26 Jun 2024 05:56:28 -0700 From: Sergey Temerkhanov To: intel-wired-lan@lists.osuosl.org Cc: netdev@vger.kernel.org, Sergey Temerkhanov , Przemek Kitszel Subject: [PATCH iwl-next v2 4/4] ice: Drop auxbus use for PTP to finalize ice_adapter move Date: Wed, 26 Jun 2024 14:54:56 +0200 Message-ID: <20240626125456.27667-5-sergey.temerkhanov@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240626125456.27667-1-sergey.temerkhanov@intel.com> References: <20240626125456.27667-1-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. Reviewed-by: Przemek Kitszel Signed-off-by: Sergey Temerkhanov Reviewed-by: Simon Horman --- drivers/net/ethernet/intel/ice/ice_ptp.c | 252 ----------------------- drivers/net/ethernet/intel/ice/ice_ptp.h | 23 --- 2 files changed, 275 deletions(-) diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.c b/drivers/net/ethernet/intel/ice/ice_ptp.c index 1740c8f1fb61..c2dda9a8614f 100644 --- a/drivers/net/ethernet/intel/ice/ice_ptp.c +++ b/drivers/net/ethernet/intel/ice/ice_ptp.c @@ -2950,188 +2950,6 @@ 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_member); - mutex_lock(&owner_pf->ptp.ports_owner.lock); - list_add(&aux_pf->ptp.port.list_member, - &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_member); - 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 @@ -3270,76 +3088,6 @@ 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 de73762e6f27..71c09acb5558 100644 --- a/drivers/net/ethernet/intel/ice/ice_ptp.h +++ b/drivers/net/ethernet/intel/ice/ice_ptp.h @@ -169,10 +169,8 @@ struct ice_ptp_tx { * ready for PTP functionality. It is used to track the port initialization * and determine when the port's PHY offset is valid. * - * @list_member: list member structure of auxiliary device * @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 @@ -180,10 +178,8 @@ struct ice_ptp_tx { * @port_num: the port number this structure represents */ struct ice_ptp_port { - struct list_head list_member; 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; @@ -197,23 +193,6 @@ 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 { @@ -229,7 +208,6 @@ enum ice_ptp_state { * @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 @@ -253,7 +231,6 @@ 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;