iwlwifi: pcie: disable APMG configurations for family 8000
APMG HW block was removed in this NIC, hence, no need to
configure it.
Signed-off-by: Eran Harary <eran.harary@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c
index f950780..f7e85d3 100644
--- a/drivers/net/wireless/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
@@ -203,19 +203,23 @@
/*
* Enable DMA clock and wait for it to stabilize.
*
- * Write to "CLK_EN_REG"; "1" bits enable clocks, while "0" bits
- * do not disable clocks. This preserves any hardware bits already
- * set by default in "CLK_CTRL_REG" after reset.
+ * Write to "CLK_EN_REG"; "1" bits enable clocks, while "0"
+ * bits do not disable clocks. This preserves any hardware
+ * bits already set by default in "CLK_CTRL_REG" after reset.
*/
- iwl_write_prph(trans, APMG_CLK_EN_REG, APMG_CLK_VAL_DMA_CLK_RQT);
- udelay(20);
+ if (trans->cfg->device_family != IWL_DEVICE_FAMILY_8000) {
+ iwl_write_prph(trans, APMG_CLK_EN_REG,
+ APMG_CLK_VAL_DMA_CLK_RQT);
+ udelay(20);
- /* Disable L1-Active */
- iwl_set_bits_prph(trans, APMG_PCIDEV_STT_REG,
- APMG_PCIDEV_STT_VAL_L1_ACT_DIS);
+ /* Disable L1-Active */
+ iwl_set_bits_prph(trans, APMG_PCIDEV_STT_REG,
+ APMG_PCIDEV_STT_VAL_L1_ACT_DIS);
- /* Clear the interrupt in APMG if the NIC is in RFKILL */
- iwl_write_prph(trans, APMG_RTC_INT_STT_REG, APMG_RTC_INT_STT_RFKILL);
+ /* Clear the interrupt in APMG if the NIC is in RFKILL */
+ iwl_write_prph(trans, APMG_RTC_INT_STT_REG,
+ APMG_RTC_INT_STT_RFKILL);
+ }
set_bit(STATUS_DEVICE_ENABLED, &trans->status);
@@ -273,7 +277,8 @@
spin_unlock(&trans_pcie->irq_lock);
- iwl_pcie_set_pwr(trans, false);
+ if (trans->cfg->device_family != IWL_DEVICE_FAMILY_8000)
+ iwl_pcie_set_pwr(trans, false);
iwl_op_mode_nic_config(trans->op_mode);