From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Kirsher Subject: [net-next 6/7] fm10k: disable receive queue when configuring ring Date: Thu, 6 Apr 2017 00:54:55 -0700 Message-ID: <20170406075456.27757-7-jeffrey.t.kirsher@intel.com> References: <20170406075456.27757-1-jeffrey.t.kirsher@intel.com> Cc: Ngai-Mint Kwan , netdev@vger.kernel.org, nhorman@redhat.com, sassmann@redhat.com, jogreene@redhat.com, Jeff Kirsher To: davem@davemloft.net Return-path: Received: from mga05.intel.com ([192.55.52.43]:39569 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756675AbdDFHz7 (ORCPT ); Thu, 6 Apr 2017 03:55:59 -0400 In-Reply-To: <20170406075456.27757-1-jeffrey.t.kirsher@intel.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Ngai-Mint Kwan Write to RXQCTL register to disable the receive queue when configuring the RX ring. Signed-off-by: Ngai-Mint Kwan Tested-by: Krishneil Singh Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/fm10k/fm10k_pci.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_pci.c b/drivers/net/ethernet/intel/fm10k/fm10k_pci.c index c62d1884f75b..3e26d27ad213 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_pci.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_pci.c @@ -754,6 +754,7 @@ static void fm10k_configure_rx_ring(struct fm10k_intfc *interface, /* disable queue to avoid issues while updating state */ rxqctl = fm10k_read_reg(hw, FM10K_RXQCTL(reg_idx)); rxqctl &= ~FM10K_RXQCTL_ENABLE; + fm10k_write_reg(hw, FM10K_RXQCTL(reg_idx), rxqctl); fm10k_write_flush(hw); /* possible poll here to verify ring resources have been cleaned */ -- 2.12.2