From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id 3208B1C2AC for ; Wed, 27 Jun 2018 18:36:15 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 27 Jun 2018 09:36:14 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,279,1526367600"; d="scan'208";a="61908452" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.237.221.83]) ([10.237.221.83]) by fmsmga002.fm.intel.com with ESMTP; 27 Jun 2018 09:36:12 -0700 To: Rafal Kozik , dev@dpdk.org Cc: mw@semihalf.com, mk@semihalf.com, gtzalik@amazon.com, evgenys@amazon.com, matua@amazon.com, igorch@amazon.com References: <1523455637-31719-1-git-send-email-rk@semihalf.com> <1523455637-31719-3-git-send-email-rk@semihalf.com> From: Ferruh Yigit Openpgp: preference=signencrypt Autocrypt: addr=ferruh.yigit@intel.com; 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WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0 MIME-Version: 1.0 In-Reply-To: <1523455637-31719-3-git-send-email-rk@semihalf.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-dev] [PATCH 2/4] bus/pci: reference driver structure X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Jun 2018 16:36:15 -0000 On 4/11/2018 3:07 PM, Rafal Kozik wrote: > Reference driver structure before calling rte_pci_map_device. > It allow to use driver flags for adjusting configuration. > > Signed-off-by: Rafal Kozik > --- > drivers/bus/pci/pci_common.c | 13 ++++++++----- > 1 file changed, 8 insertions(+), 5 deletions(-) > > diff --git a/drivers/bus/pci/pci_common.c b/drivers/bus/pci/pci_common.c > index 2a00f36..15e9a47 100644 > --- a/drivers/bus/pci/pci_common.c > +++ b/drivers/bus/pci/pci_common.c > @@ -159,17 +159,20 @@ rte_pci_probe_one_driver(struct rte_pci_driver *dr, > RTE_LOG(INFO, EAL, " probe driver: %x:%x %s\n", dev->id.vendor_id, > dev->id.device_id, dr->driver.name); > > + /* reference driver structure */ > + dev->driver = dr; > + dev->device.driver = &dr->driver; It can be good to comment that this needs to be before rte_pci_map_device() incase someone wants to refactor code later. > + > if (dr->drv_flags & RTE_PCI_DRV_NEED_MAPPING) { > /* map resources for devices that use igb_uio */ > ret = rte_pci_map_device(dev); > - if (ret != 0) > + if (ret != 0) { > + dev->driver = NULL; > + dev->device.driver = NULL; > return ret; > + } > } > > - /* reference driver structure */ > - dev->driver = dr; > - dev->device.driver = &dr->driver; > - > /* call the driver probe() function */ > ret = dr->probe(dr, dev); > if (ret) { >