diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-bus.h | 145 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-debug.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-dev.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-mac80211.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-pci.c | 60 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-shared.h | 5 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-testmode.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-trans.h | 2 |
9 files changed, 29 insertions, 188 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 7e3e00d6423e..e0fef9f257c2 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -50,7 +50,6 @@ #include "iwl-agn-calib.h" #include "iwl-agn.h" #include "iwl-shared.h" -#include "iwl-bus.h" #include "iwl-trans.h" #include "iwl-op-mode.h" diff --git a/drivers/net/wireless/iwlwifi/iwl-bus.h b/drivers/net/wireless/iwlwifi/iwl-bus.h deleted file mode 100644 index 7d56cbc4a0b8..000000000000 --- a/drivers/net/wireless/iwlwifi/iwl-bus.h +++ /dev/null @@ -1,145 +0,0 @@ -/****************************************************************************** - * - * This file is provided under a dual BSD/GPLv2 license. When using or - * redistributing this file, you may do so under either license. - * - * GPL LICENSE SUMMARY - * - * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. - * - * 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 - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, - * USA - * - * The full GNU General Public License is included in this distribution - * in the file called LICENSE.GPL. - * - * Contact Information: - * Intel Linux Wireless <ilw@linux.intel.com> - * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - * - * BSD LICENSE - * - * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - *****************************************************************************/ -#ifndef __iwl_bus_h__ -#define __iwl_bus_h__ - -#include <linux/types.h> -#include <linux/spinlock.h> - -/** - * DOC: Bus layer - role and goal - * - * iwl-bus.h defines the API to the bus layer of the iwlwifi driver. - * The bus layer is responsible for doing very basic bus operations that are - * listed in the iwl_bus_ops structure. - * The bus layer registers to the bus driver, advertises the supported HW and - * gets notifications about enumeration, suspend, resume. - * For the moment, the bus layer is not a linux kernel module as itself, and - * the module_init function of the driver must call the bus specific - * registration functions. These functions are listed at the end of this file. - * For the moment, there is only one implementation of this interface: PCI-e. - * This implementation is iwl-pci.c - */ - -/** - * DOC: encapsulation and type safety - * - * The iwl_bus describes the data that is shared amongst all the bus layer - * implementations. This data is visible to other layers. Data in the bus - * specific area is not visible outside the bus specific implementation. - * iwl_bus holds a pointer to iwl_shared which holds pointer to all the other - * layers of the driver (iwl_priv, iwl_trans). In fact, this is the way to go - * when the transport layer needs to call a function of another layer. - * - * In order to achieve encapsulation, iwl_priv cannot be dereferenced from the - * bus layer. Type safety is still kept since functions that gets iwl_priv gets - * a typed pointer (as opposed to void *). - */ - -/** - * DOC: probe flow - * - * The module_init calls the bus specific registration function. The - * registration to the bus layer will trigger an enumeration of the bus which - * will call the bus specific probe function. - * The first thing this function must do is to allocate the memory needed by - * iwl_bus + the bus_specific data. - * Once the bus specific probe function has configured the hardware, it - * chooses the appropriate transport layer and calls iwl_probe that will run - * the bus independent probe flow. - * - * Note: The bus specific code must set the following data in iwl_bus before it - * calls iwl_probe: - * * bus->dev - * * bus->irq - * * bus->ops - */ - -struct iwl_shared; -struct iwl_bus; - -/** - * struct iwl_bus - bus common data - * - * This data is common to all bus layer implementations. - * - * @ops - pointer to iwl_bus_ops - * @shrd - pointer to iwl_shared which holds shared data from the upper layer - * NB: for the time being this needs to be set by the upper layer since - * it allocates the shared data - */ -struct iwl_bus { - struct iwl_shared *shrd; - - /* pointer to bus specific struct */ - /*Ensure that this pointer will always be aligned to sizeof pointer */ - char bus_specific[0] __aligned(sizeof(void *)); -}; - -/***************************************************** -* Bus layer registration functions -******************************************************/ -int __must_check iwl_pci_register_driver(void); -void iwl_pci_unregister_driver(void); - -#endif /* __iwl_bus_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-debug.h b/drivers/net/wireless/iwlwifi/iwl-debug.h index bfc08494ed22..01b23303d736 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debug.h +++ b/drivers/net/wireless/iwlwifi/iwl-debug.h @@ -29,7 +29,6 @@ #ifndef __iwl_debug_h__ #define __iwl_debug_h__ -#include "iwl-bus.h" #include "iwl-shared.h" #include "iwl-devtrace.h" diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h index a670c82e82fd..6e5bf0a14609 100644 --- a/drivers/net/wireless/iwlwifi/iwl-dev.h +++ b/drivers/net/wireless/iwlwifi/iwl-dev.h @@ -47,7 +47,6 @@ #include "iwl-power.h" #include "iwl-agn-rs.h" #include "iwl-agn-tt.h" -#include "iwl-bus.h" #include "iwl-trans.h" #include "iwl-shared.h" #include "iwl-op-mode.h" diff --git a/drivers/net/wireless/iwlwifi/iwl-mac80211.c b/drivers/net/wireless/iwlwifi/iwl-mac80211.c index 3ca89ab67029..03f770543d8e 100644 --- a/drivers/net/wireless/iwlwifi/iwl-mac80211.c +++ b/drivers/net/wireless/iwlwifi/iwl-mac80211.c @@ -51,7 +51,6 @@ #include "iwl-agn-calib.h" #include "iwl-agn.h" #include "iwl-shared.h" -#include "iwl-bus.h" #include "iwl-trans.h" #include "iwl-op-mode.h" diff --git a/drivers/net/wireless/iwlwifi/iwl-pci.c b/drivers/net/wireless/iwlwifi/iwl-pci.c index b9cdd1ac1744..527f13b50055 100644 --- a/drivers/net/wireless/iwlwifi/iwl-pci.c +++ b/drivers/net/wireless/iwlwifi/iwl-pci.c @@ -64,13 +64,13 @@ #include <linux/pci.h> #include <linux/pci-aspm.h> -#include "iwl-bus.h" #include "iwl-io.h" #include "iwl-shared.h" #include "iwl-trans.h" #include "iwl-csr.h" #include "iwl-cfg.h" #include "iwl-drv.h" +#include "iwl-trans.h" #define IWL_PCI_DEVICE(dev, subdev, cfg) \ .vendor = PCI_VENDOR_ID_INTEL, .device = (dev), \ @@ -263,44 +263,40 @@ MODULE_DEVICE_TABLE(pci, iwl_hw_card_ids); static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { struct iwl_cfg *cfg = (struct iwl_cfg *)(ent->driver_data); - struct iwl_bus *bus; + struct iwl_shared *shrd; + struct iwl_trans *iwl_trans; int err; - bus = kzalloc(sizeof(*bus), GFP_KERNEL); - if (!bus) { - dev_printk(KERN_ERR, &pdev->dev, - "Couldn't allocate iwl_pci_bus"); - return -ENOMEM; - } - - bus->shrd = kzalloc(sizeof(*bus->shrd), GFP_KERNEL); - if (!bus->shrd) { + shrd = kzalloc(sizeof(*iwl_trans->shrd), GFP_KERNEL); + if (!shrd) { dev_printk(KERN_ERR, &pdev->dev, "Couldn't allocate iwl_shared"); err = -ENOMEM; goto out_free_bus; } - bus->shrd->bus = bus; - - pci_set_drvdata(pdev, bus); - #ifdef CONFIG_IWLWIFI_IDI - trans(bus) = iwl_trans_idi_alloc(bus->shrd, pdev, ent); - if (trans(bus) == NULL) { + iwl_trans = iwl_trans_idi_alloc(shrd, pdev, ent); + if (trans == NULL) { err = -ENOMEM; goto out_free_bus; } - err = iwl_drv_start(bus->shrd, trans(bus), cfg); + shrd->trans = iwl_trans; + pci_set_drvdata(pdev, iwl_trans); + + err = iwl_drv_start(shrd, iwl_trans, cfg); #else - trans(bus) = iwl_trans_pcie_alloc(bus->shrd, pdev, ent); - if (trans(bus) == NULL) { + iwl_trans = iwl_trans_pcie_alloc(shrd, pdev, ent); + if (iwl_trans == NULL) { err = -ENOMEM; goto out_free_bus; } - err = iwl_drv_start(bus->shrd, trans(bus), cfg); + shrd->trans = iwl_trans; + pci_set_drvdata(pdev, iwl_trans); + + err = iwl_drv_start(shrd, iwl_trans, cfg); #endif if (err) goto out_free_trans; @@ -308,26 +304,24 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) return 0; out_free_trans: - iwl_trans_free(trans(bus)); + iwl_trans_free(iwl_trans); pci_set_drvdata(pdev, NULL); out_free_bus: - kfree(bus->shrd); - kfree(bus); + kfree(shrd); return err; } static void __devexit iwl_pci_remove(struct pci_dev *pdev) { - struct iwl_bus *bus = pci_get_drvdata(pdev); - struct iwl_shared *shrd = bus->shrd; + struct iwl_trans *iwl_trans = pci_get_drvdata(pdev); + struct iwl_shared *shrd = iwl_trans->shrd; iwl_drv_stop(shrd); iwl_trans_free(shrd->trans); pci_set_drvdata(pdev, NULL); - kfree(bus->shrd); - kfree(bus); + kfree(shrd); } #ifdef CONFIG_PM_SLEEP @@ -335,22 +329,20 @@ static void __devexit iwl_pci_remove(struct pci_dev *pdev) static int iwl_pci_suspend(struct device *device) { struct pci_dev *pdev = to_pci_dev(device); - struct iwl_bus *bus = pci_get_drvdata(pdev); - struct iwl_shared *shrd = bus->shrd; + struct iwl_trans *iwl_trans = pci_get_drvdata(pdev); /* Before you put code here, think about WoWLAN. You cannot check here * whether WoWLAN is enabled or not, and your code will run even if * WoWLAN is enabled - don't kill the NIC, someone may need it in Sx. */ - return iwl_trans_suspend(shrd->trans); + return iwl_trans_suspend(iwl_trans); } static int iwl_pci_resume(struct device *device) { struct pci_dev *pdev = to_pci_dev(device); - struct iwl_bus *bus = pci_get_drvdata(pdev); - struct iwl_shared *shrd = bus->shrd; + struct iwl_trans *iwl_trans = pci_get_drvdata(pdev); /* Before you put code here, think about WoWLAN. You cannot check here * whether WoWLAN is enabled or not, and your code will run even if @@ -363,7 +355,7 @@ static int iwl_pci_resume(struct device *device) */ pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00); - return iwl_trans_resume(shrd->trans); + return iwl_trans_resume(iwl_trans); } static SIMPLE_DEV_PM_OPS(iwl_dev_pm_ops, iwl_pci_suspend, iwl_pci_resume); diff --git a/drivers/net/wireless/iwlwifi/iwl-shared.h b/drivers/net/wireless/iwlwifi/iwl-shared.h index f3b6fd7ae4dd..e7b075eebb72 100644 --- a/drivers/net/wireless/iwlwifi/iwl-shared.h +++ b/drivers/net/wireless/iwlwifi/iwl-shared.h @@ -94,7 +94,6 @@ * This implementation is iwl-pci.c */ -struct iwl_bus; struct iwl_priv; struct iwl_trans; struct iwl_sensitivity_ranges; @@ -385,7 +384,6 @@ struct iwl_shared { bool wowlan; u8 valid_contexts; - struct iwl_bus *bus; struct iwl_cfg *cfg; struct iwl_priv *priv; struct iwl_trans *trans; @@ -416,10 +414,9 @@ struct iwl_shared { }; -/*Whatever _m is (iwl_trans, iwl_priv, iwl_bus, these macros will work */ +/*Whatever _m is (iwl_trans, iwl_priv, these macros will work */ #define priv(_m) ((_m)->shrd->priv) #define cfg(_m) ((_m)->shrd->cfg) -#define bus(_m) ((_m)->shrd->bus) #define nic(_m) ((_m)->shrd->nic) #define trans(_m) ((_m)->shrd->trans) #define hw_params(_m) ((_m)->shrd->hw_params) diff --git a/drivers/net/wireless/iwlwifi/iwl-testmode.c b/drivers/net/wireless/iwlwifi/iwl-testmode.c index e3cca664c19f..23eea06a74ad 100644 --- a/drivers/net/wireless/iwlwifi/iwl-testmode.c +++ b/drivers/net/wireless/iwlwifi/iwl-testmode.c @@ -78,7 +78,6 @@ #include "iwl-agn.h" #include "iwl-testmode.h" #include "iwl-trans.h" -#include "iwl-bus.h" #include "iwl-fh.h" diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h index fbb09f684670..52a1c2eda8e8 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/iwlwifi/iwl-trans.h @@ -563,6 +563,8 @@ extern const struct iwl_trans_ops trans_ops_pcie; struct iwl_trans *iwl_trans_pcie_alloc(struct iwl_shared *shrd, struct pci_dev *pdev, const struct pci_device_id *ent); +int __must_check iwl_pci_register_driver(void); +void iwl_pci_unregister_driver(void); extern const struct iwl_trans_ops trans_ops_idi; struct iwl_trans *iwl_trans_idi_alloc(struct iwl_shared *shrd, |