From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ferruh Yigit Subject: [PATCH] igb_uio: remove device reset in open Date: Fri, 20 Oct 2017 17:55:11 +0100 Message-ID: <20171020165511.47899-1-ferruh.yigit@intel.com> References: Cc: Thomas Monjalon , dev@dpdk.org, stable@dpdk.org, Jianfeng Tan , Jingjing Wu , Shijith Thotton , Gregory Etelson , Harish Patil , George Prekas , Sergio Gonzalez Monroy To: Ferruh Yigit Return-path: In-Reply-To: List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Remove device reset during application start, the reset for application exit still there. Reset in open removed because of following comments: 1- Device reset not completed when VF driver loaded, which cause VF PMD initialization error. Adding delay can solve the issue but will increase driver load time. 2- Reset will be issues all devices unconditionally, not very efficient way. Fixes: b58eedfc7dd5 ("igb_uio: issue FLR during open and release of device file") Cc: stable@dpdk.org Signed-off-by: Ferruh Yigit --- Cc: Jianfeng Tan Cc: Jingjing Wu Cc: Shijith Thotton Cc: Gregory Etelson Cc: Harish Patil Cc: George Prekas Cc: Sergio Gonzalez Monroy --- lib/librte_eal/linuxapp/igb_uio/igb_uio.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c index f7ef82554..fd320d87d 100644 --- a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c +++ b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c @@ -336,8 +336,6 @@ igbuio_pci_open(struct uio_info *info, struct inode *inode) struct pci_dev *dev = udev->pdev; int err; - pci_reset_function(dev); - /* set bus master, which was cleared by the reset function */ pci_set_master(dev); -- 2.13.6