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iwlwifi: pcie: remove unnecessary iwl_pcie_enable_rx_wake() function

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This function was only used by 9000 A-step devices, which we don't
support anymore, so it can be removed.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Luca Coelho
2018-10-04 15:20:38 +03:00
parent b7226f104c
commit c688e3964a
3 changed files with 0 additions and 32 deletions
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2
drivers/net/wireless/intel/iwlwifi/pcie/internal.h
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@@ -1029,8 +1029,6 @@ static inline int iwl_trans_pcie_dbgfs_register(struct iwl_trans *trans)
int iwl_pci_fw_exit_d0i3(struct iwl_trans *trans);
int iwl_pci_fw_enter_d0i3(struct iwl_trans *trans);
void iwl_pcie_enable_rx_wake(struct iwl_trans *trans, bool enable);
void iwl_pcie_rx_allocator_work(struct work_struct *data);
/* common functions that are used by gen2 transport */

26
drivers/net/wireless/intel/iwlwifi/pcie/rx.c
View File

@@ -868,30 +868,6 @@ static void iwl_pcie_rx_hw_init(struct iwl_trans *trans, struct iwl_rxq *rxq)
iwl_set_bit(trans, CSR_INT_COALESCING, IWL_HOST_INT_OPER_MODE);
}
void iwl_pcie_enable_rx_wake(struct iwl_trans *trans, bool enable)
{
if (trans->cfg->device_family != IWL_DEVICE_FAMILY_9000)
return;
if (CSR_HW_REV_STEP(trans->hw_rev) != SILICON_A_STEP)
return;
if (!trans->cfg->integrated)
return;
/*
* Turn on the chicken-bits that cause MAC wakeup for RX-related
* values.
* This costs some power, but needed for W/A 9000 integrated A-step
* bug where shadow registers are not in the retention list and their
* value is lost when NIC powers down
*/
iwl_set_bit(trans, CSR_MAC_SHADOW_REG_CTRL,
CSR_MAC_SHADOW_REG_CTRL_RX_WAKE);
iwl_set_bit(trans, CSR_MAC_SHADOW_REG_CTL2,
CSR_MAC_SHADOW_REG_CTL2_RX_WAKE);
}
static void iwl_pcie_rx_mq_hw_init(struct iwl_trans *trans)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
@@ -979,8 +955,6 @@ static void iwl_pcie_rx_mq_hw_init(struct iwl_trans *trans)
/* Set interrupt coalescing timer to default (2048 usecs) */
iwl_write8(trans, CSR_INT_COALESCING, IWL_HOST_INT_TIMEOUT_DEF);
iwl_pcie_enable_rx_wake(trans, true);
}
void iwl_pcie_rx_init_rxb_lists(struct iwl_rxq *rxq)

4
drivers/net/wireless/intel/iwlwifi/pcie/trans.c
View File

@@ -1530,8 +1530,6 @@ static void iwl_trans_pcie_d3_suspend(struct iwl_trans *trans, bool test,
iwl_clear_bit(trans, CSR_GP_CNTRL,
BIT(trans->cfg->csr->flag_init_done));
iwl_pcie_enable_rx_wake(trans, false);
if (reset) {
/*
* reset TX queues -- some of their registers reset during S3
@@ -1558,8 +1556,6 @@ static int iwl_trans_pcie_d3_resume(struct iwl_trans *trans,
return 0;
}
iwl_pcie_enable_rx_wake(trans, true);
iwl_set_bit(trans, CSR_GP_CNTRL,
BIT(trans->cfg->csr->flag_mac_access_req));
iwl_set_bit(trans, CSR_GP_CNTRL,