From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wenzhuo Lu Subject: [PATCH 32/37] ixgbe/base: specific process for X550 and X550em when disabling PCIe master Date: Wed, 24 Jun 2015 11:26:21 +0800 Message-ID: <1435116386-12010-33-git-send-email-wenzhuo.lu@intel.com> References: <1435116386-12010-1-git-send-email-wenzhuo.lu@intel.com> To: dev@dpdk.org Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id 5B54EC5F2 for ; Wed, 24 Jun 2015 05:27:52 +0200 (CEST) In-Reply-To: <1435116386-12010-1-git-send-email-wenzhuo.lu@intel.com> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" This patch skips the PCI transactions pending check in ixgbe_disable_pcie_master. The PCI transactions pending bit sticks high when there were pending transactions, we should wait and then continue with our reset flow. Signed-off-by: Wenzhuo Lu --- drivers/net/ixgbe/base/ixgbe_common.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ixgbe/base/ixgbe_common.c b/drivers/net/ixgbe/base/ixgbe_common.c index 9e80722..17db352 100644 --- a/drivers/net/ixgbe/base/ixgbe_common.c +++ b/drivers/net/ixgbe/base/ixgbe_common.c @@ -3142,6 +3142,9 @@ s32 ixgbe_disable_pcie_master(struct ixgbe_hw *hw) DEBUGOUT("GIO Master Disable bit didn't clear - requesting resets\n"); hw->mac.flags |= IXGBE_FLAGS_DOUBLE_RESET_REQUIRED; + if (hw->mac.type >= ixgbe_mac_X550) + goto out; + /* * Before proceeding, make sure that the PCIe block does not have * transactions pending. -- 1.9.3