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[78.80.105.131]) by smtp.gmail.com with ESMTPSA id w25-20020a1709060a1900b00a4e40e48f8dsm6913337ejf.185.2024.04.23.04.36.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 23 Apr 2024 04:36:11 -0700 (PDT) Date: Tue, 23 Apr 2024 13:36:09 +0200 From: Jiri Pirko To: Sergey Temerkhanov Cc: intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org, Przemek Kitszel Subject: Re: [PATCH iwl-next v2] ice: Extend auxbus device naming Message-ID: References: <20240423091459.72216-1-sergey.temerkhanov@intel.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240423091459.72216-1-sergey.temerkhanov@intel.com> Tue, Apr 23, 2024 at 11:14:59AM CEST, sergey.temerkhanov@intel.com wrote: >Include segment/domain number in the device name to distinguish >between PCI devices located on different root complexes in >multi-segment configurations. Naming is changed from >ptp___clk to ptp____clk I don't understand why you need to encode pci properties of a parent device into the auxiliary bus name. Could you please explain the motivation? Why you need a bus instance per PF? The rest of the auxbus registrators don't do this. Could you please align? Just have one bus for ice driver and that's it. > >v1->v2 >Rebase on top of the latest changes > >Signed-off-by: Sergey Temerkhanov >Reviewed-by: Przemek Kitszel >--- > drivers/net/ethernet/intel/ice/ice_ptp.c | 18 ++++++++++++------ > 1 file changed, 12 insertions(+), 6 deletions(-) > >diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.c b/drivers/net/ethernet/intel/ice/ice_ptp.c >index 402436b72322..744b102f7636 100644 >--- a/drivers/net/ethernet/intel/ice/ice_ptp.c >+++ b/drivers/net/ethernet/intel/ice/ice_ptp.c >@@ -2993,8 +2993,9 @@ ice_ptp_auxbus_create_id_table(struct ice_pf *pf, const char *name) > static int ice_ptp_register_auxbus_driver(struct ice_pf *pf) > { > struct auxiliary_driver *aux_driver; >+ struct pci_dev *pdev = pf->pdev; > struct ice_ptp *ptp; >- char busdev[8] = {}; >+ char busdev[16] = {}; > struct device *dev; > char *name; > int err; >@@ -3005,8 +3006,10 @@ static int ice_ptp_register_auxbus_driver(struct ice_pf *pf) > INIT_LIST_HEAD(&ptp->ports_owner.ports); > mutex_init(&ptp->ports_owner.lock); > if (ice_is_e810(&pf->hw)) >- sprintf(busdev, "%u_%u_", pf->pdev->bus->number, >- PCI_SLOT(pf->pdev->devfn)); >+ snprintf(busdev, sizeof(busdev), "%u_%u_%u_", >+ pci_domain_nr(pdev->bus), >+ pdev->bus->number, >+ PCI_SLOT(pdev->devfn)); > name = devm_kasprintf(dev, GFP_KERNEL, "ptp_%sclk%u", busdev, > ice_get_ptp_src_clock_index(&pf->hw)); > if (!name) >@@ -3210,8 +3213,9 @@ static void ice_ptp_release_auxbus_device(struct device *dev) > static int ice_ptp_create_auxbus_device(struct ice_pf *pf) > { > struct auxiliary_device *aux_dev; >+ struct pci_dev *pdev = pf->pdev; > struct ice_ptp *ptp; >- char busdev[8] = {}; >+ char busdev[16] = {}; > struct device *dev; > char *name; > int err; >@@ -3224,8 +3228,10 @@ static int ice_ptp_create_auxbus_device(struct ice_pf *pf) > aux_dev = &ptp->port.aux_dev; > > if (ice_is_e810(&pf->hw)) >- sprintf(busdev, "%u_%u_", pf->pdev->bus->number, >- PCI_SLOT(pf->pdev->devfn)); >+ snprintf(busdev, sizeof(busdev), "%u_%u_%u_", >+ pci_domain_nr(pdev->bus), >+ pdev->bus->number, >+ PCI_SLOT(pdev->devfn)); > > name = devm_kasprintf(dev, GFP_KERNEL, "ptp_%sclk%u", busdev, > ice_get_ptp_src_clock_index(&pf->hw)); >-- >2.35.3 > >