diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/pcie/trans.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/pcie/trans.c | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c index 2de8fbfe4edf..dc179094e6a0 100644 --- a/drivers/net/wireless/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/iwlwifi/pcie/trans.c @@ -5,8 +5,8 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2007 - 2015 Intel Corporation. All rights reserved. + * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -31,8 +31,8 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2005 - 2015 Intel Corporation. All rights reserved. + * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -104,7 +104,7 @@ static void iwl_pcie_free_fw_monitor(struct iwl_trans *trans) static void iwl_pcie_alloc_fw_monitor(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - struct page *page; + struct page *page = NULL; dma_addr_t phys; u32 size; u8 power; @@ -131,6 +131,7 @@ static void iwl_pcie_alloc_fw_monitor(struct iwl_trans *trans) DMA_FROM_DEVICE); if (dma_mapping_error(trans->dev, phys)) { __free_pages(page, order); + page = NULL; continue; } IWL_INFO(trans, @@ -1020,7 +1021,7 @@ static void iwl_trans_pcie_fw_alive(struct iwl_trans *trans, u32 scd_addr) iwl_pcie_tx_start(trans, scd_addr); } -static void iwl_trans_pcie_stop_device(struct iwl_trans *trans) +static void iwl_trans_pcie_stop_device(struct iwl_trans *trans, bool low_power) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); bool hw_rfkill, was_hw_rfkill; @@ -1048,9 +1049,11 @@ static void iwl_trans_pcie_stop_device(struct iwl_trans *trans) iwl_pcie_rx_stop(trans); /* Power-down device's busmaster DMA clocks */ - iwl_write_prph(trans, APMG_CLK_DIS_REG, - APMG_CLK_VAL_DMA_CLK_RQT); - udelay(5); + if (trans->cfg->device_family != IWL_DEVICE_FAMILY_8000) { + iwl_write_prph(trans, APMG_CLK_DIS_REG, + APMG_CLK_VAL_DMA_CLK_RQT); + udelay(5); + } } /* Make sure (redundant) we've released our request to stay awake */ @@ -1115,7 +1118,7 @@ static void iwl_trans_pcie_stop_device(struct iwl_trans *trans) void iwl_trans_pcie_rf_kill(struct iwl_trans *trans, bool state) { if (iwl_op_mode_hw_rf_kill(trans->op_mode, state)) - iwl_trans_pcie_stop_device(trans); + iwl_trans_pcie_stop_device(trans, true); } static void iwl_trans_pcie_d3_suspend(struct iwl_trans *trans, bool test) @@ -1200,7 +1203,7 @@ static int iwl_trans_pcie_d3_resume(struct iwl_trans *trans, return 0; } -static int iwl_trans_pcie_start_hw(struct iwl_trans *trans) +static int iwl_trans_pcie_start_hw(struct iwl_trans *trans, bool low_power) { bool hw_rfkill; int err; @@ -1369,7 +1372,7 @@ static bool iwl_trans_pcie_grab_nic_access(struct iwl_trans *trans, bool silent, spin_lock_irqsave(&trans_pcie->reg_lock, *flags); - if (trans_pcie->cmd_in_flight) + if (trans_pcie->cmd_hold_nic_awake) goto out; /* this bit wakes up the NIC */ @@ -1435,7 +1438,7 @@ static void iwl_trans_pcie_release_nic_access(struct iwl_trans *trans, */ __acquire(&trans_pcie->reg_lock); - if (trans_pcie->cmd_in_flight) + if (trans_pcie->cmd_hold_nic_awake) goto out; __iwl_trans_pcie_clear_bit(trans, CSR_GP_CNTRL, |