diff options
| author |   Avri Altman <avri.altman@intel.com> | 2015-05-11 11:04:34 +0300 |
|---|---|---|
| committer |   Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2015-06-03 09:40:56 +0300 |
| commit | 95411d0455cc522c9f5176d37940a311e0241c42 (patch) | |
| tree | bc422ad35f4833e9df9fec3ab094ec04b82df6be /drivers/net/wireless/iwlwifi/pcie/trans.c | |
| parent | iwlwifi: wrt: add mipi type to debug types (diff) | |
| download | linux-dev-95411d0455cc522c9f5176d37940a311e0241c42.tar.xz linux-dev-95411d0455cc522c9f5176d37940a311e0241c42.zip | |
iwlwifi: pcie: Control access to the NIC's PM registers via iwl_cfg
Allow a cleaner way to access those hw-dependent registers,
instead of using the product family type etc.
Signed-off-by: Avri Altman <avri.altman@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/pcie/trans.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/pcie/trans.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c index a341ed90f8a8..dd1b90b04763 100644 --- a/drivers/net/wireless/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/iwlwifi/pcie/trans.c @@ -182,6 +182,9 @@ static void iwl_trans_pcie_write_shr(struct iwl_trans *trans, u32 reg, u32 val) static void iwl_pcie_set_pwr(struct iwl_trans *trans, bool vaux) { + if (!trans->cfg->apmg_not_supported) + return; + if (vaux && pci_pme_capable(to_pci_dev(trans->dev), PCI_D3cold)) iwl_set_bits_mask_prph(trans, APMG_PS_CTRL_REG, APMG_PS_CTRL_VAL_PWR_SRC_VAUX, @@ -315,7 +318,7 @@ static int iwl_pcie_apm_init(struct iwl_trans *trans) * bits do not disable clocks. This preserves any hardware * bits already set by default in "CLK_CTRL_REG" after reset. */ - if (trans->cfg->device_family != IWL_DEVICE_FAMILY_8000) { + if (!trans->cfg->apmg_not_supported) { iwl_write_prph(trans, APMG_CLK_EN_REG, APMG_CLK_VAL_DMA_CLK_RQT); udelay(20); @@ -515,8 +518,7 @@ static int iwl_pcie_nic_init(struct iwl_trans *trans) spin_unlock(&trans_pcie->irq_lock); - if (trans->cfg->device_family != IWL_DEVICE_FAMILY_8000) - iwl_pcie_set_pwr(trans, false); + iwl_pcie_set_pwr(trans, false); iwl_op_mode_nic_config(trans->op_mode); @@ -1063,7 +1065,7 @@ static void iwl_trans_pcie_stop_device(struct iwl_trans *trans, bool low_power) iwl_pcie_rx_stop(trans); /* Power-down device's busmaster DMA clocks */ - if (trans->cfg->device_family != IWL_DEVICE_FAMILY_8000) { + if (!trans->cfg->apmg_not_supported) { iwl_write_prph(trans, APMG_CLK_DIS_REG, APMG_CLK_VAL_DMA_CLK_RQT); udelay(5); @@ -1160,8 +1162,7 @@ static void iwl_trans_pcie_d3_suspend(struct iwl_trans *trans, bool test) */ iwl_trans_pcie_tx_reset(trans); - if (trans->cfg->device_family != IWL_DEVICE_FAMILY_8000) - iwl_pcie_set_pwr(trans, true); + iwl_pcie_set_pwr(trans, true); } static int iwl_trans_pcie_d3_resume(struct iwl_trans *trans, @@ -1199,8 +1200,7 @@ static int iwl_trans_pcie_d3_resume(struct iwl_trans *trans, return ret; } - if (trans->cfg->device_family != IWL_DEVICE_FAMILY_8000) - iwl_pcie_set_pwr(trans, false); + iwl_pcie_set_pwr(trans, false); iwl_trans_pcie_tx_reset(trans); |