From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Kirsher Subject: [net-next v2 13/15] ixgbe: add ixgbe_write_pci_cfg_word with ixgbe_removed check Date: Tue, 18 Mar 2014 20:42:11 -0700 Message-ID: <1395200533-16908-14-git-send-email-jeffrey.t.kirsher@intel.com> References: <1395200533-16908-1-git-send-email-jeffrey.t.kirsher@intel.com> Cc: Jacob Keller , netdev@vger.kernel.org, gospo@redhat.com, sassmann@redhat.com, Jeff Kirsher To: davem@davemloft.net Return-path: Received: from mga01.intel.com ([192.55.52.88]:23825 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933768AbaCSDmW (ORCPT ); Tue, 18 Mar 2014 23:42:22 -0400 In-Reply-To: <1395200533-16908-1-git-send-email-jeffrey.t.kirsher@intel.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Jacob Keller Inline with the current use for ixgbe_read_pci_cfg_word, create a similar function for writing PCI config, which checks whether the adapter has been removed first, if Live Error Recovery has been enabled. Signed-off-by: Jacob Keller Tested-by: Phil Schmitt Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c | 6 +----- drivers/net/ethernet/intel/ixgbe/ixgbe_common.h | 1 + drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 9 +++++++++ 3 files changed, 11 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c index f8ebe58..7fe2254 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c @@ -58,7 +58,6 @@ static s32 ixgbe_read_i2c_eeprom_82598(struct ixgbe_hw *hw, u8 byte_offset, **/ static void ixgbe_set_pcie_completion_timeout(struct ixgbe_hw *hw) { - struct ixgbe_adapter *adapter = hw->back; u32 gcr = IXGBE_READ_REG(hw, IXGBE_GCR); u16 pcie_devctl2; @@ -84,11 +83,8 @@ static void ixgbe_set_pcie_completion_timeout(struct ixgbe_hw *hw) * 16ms to 55ms */ pcie_devctl2 = ixgbe_read_pci_cfg_word(hw, IXGBE_PCI_DEVICE_CONTROL2); - if (ixgbe_removed(hw->hw_addr)) - return; pcie_devctl2 |= IXGBE_PCI_DEVICE_CONTROL2_16ms; - pci_write_config_word(adapter->pdev, - IXGBE_PCI_DEVICE_CONTROL2, pcie_devctl2); + ixgbe_write_pci_cfg_word(hw, IXGBE_PCI_DEVICE_CONTROL2, pcie_devctl2); out: /* disable completion timeout resend */ gcr &= ~IXGBE_GCR_CMPL_TMOUT_RESEND; diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h index d1d67ba..afa1cda 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h @@ -133,6 +133,7 @@ s32 ixgbe_init_thermal_sensor_thresh_generic(struct ixgbe_hw *hw); #define IXGBE_FAILED_READ_CFG_WORD 0xffffU u16 ixgbe_read_pci_cfg_word(struct ixgbe_hw *hw, u32 reg); +void ixgbe_write_pci_cfg_word(struct ixgbe_hw *hw, u32 reg, u16 value); static inline bool ixgbe_removed(void __iomem *addr) { diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 18cd8ca..c773d6c 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -361,6 +361,15 @@ static u32 ixgbe_read_pci_cfg_dword(struct ixgbe_hw *hw, u32 reg) } #endif /* CONFIG_PCI_IOV */ +void ixgbe_write_pci_cfg_word(struct ixgbe_hw *hw, u32 reg, u16 value) +{ + struct ixgbe_adapter *adapter = hw->back; + + if (ixgbe_removed(hw->hw_addr)) + return; + pci_write_config_word(adapter->pdev, reg, value); +} + static void ixgbe_service_event_complete(struct ixgbe_adapter *adapter) { BUG_ON(!test_bit(__IXGBE_SERVICE_SCHED, &adapter->state)); -- 1.8.3.1