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iwlagn: simplify the bus architecture

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Call iwl_probe with a ready iwl_bus struct. This means that the bus layer
assigns the irq, dev and iwl_bus_ops pointers to iwl_bus before giving it to
iwl_probe.

The device specific struct is allocated together with the common iwl_bus struct
by the bus specific layer. The pointer to the aggregate struct is passed to the
upper layer that holds a pointer to iwl_bus instead of an embedded iw_bus.
The private data given to the PCI subsystem is now iwl_bus and not iwl_priv.

Provide bus_* inliners on the way in order  to simplify the syntax.

Rename iwl-pci.h -> iwl-bus.h since it is bus agnostic and represent the
external of the bus layer.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
This commit is contained in:
Emmanuel Grumbach 2011-07-11 10:48:51 +03:00 committed by Wey-Yi Guy
parent 41c5054266
commit d593411084
14 changed files with 161 additions and 140 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
drivers/net/wireless/iwlwifi/iwl-agn.c
View File

@ -55,7 +55,7 @@
#include "iwl-sta.h"
#include "iwl-agn-calib.h"
#include "iwl-agn.h"
#include "iwl-pci.h"
#include "iwl-bus.h"
#include "iwl-trans.h"
/******************************************************************************
@ -580,7 +580,7 @@ static struct attribute_group iwl_attribute_group = {
static void iwl_free_fw_desc(struct iwl_priv *priv, struct fw_desc *desc)
{
if (desc->v_addr)
dma_free_coherent(priv->bus.dev, desc->len,
dma_free_coherent(priv->bus->dev, desc->len,
desc->v_addr, desc->p_addr);
desc->v_addr = NULL;
desc->len = 0;
@ -606,7 +606,7 @@ static int iwl_alloc_fw_desc(struct iwl_priv *priv, struct fw_desc *desc,
return -EINVAL;
}
desc->v_addr = dma_alloc_coherent(priv->bus.dev, len,
desc->v_addr = dma_alloc_coherent(priv->bus->dev, len,
&desc->p_addr, GFP_KERNEL);
if (!desc->v_addr)
return -ENOMEM;
@ -660,7 +660,7 @@ static int __must_check iwl_request_firmware(struct iwl_priv *priv, bool first)
priv->firmware_name);
return request_firmware_nowait(THIS_MODULE, 1, priv->firmware_name,
priv->bus.dev,
priv->bus->dev,
GFP_KERNEL, priv, iwl_ucode_callback);
}
@ -1163,7 +1163,7 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
if (err)
IWL_ERR(priv, "failed to create debugfs files. Ignoring error: %d\n", err);
err = sysfs_create_group(&(priv->bus.dev->kobj),
err = sysfs_create_group(&(priv->bus->dev->kobj),
&iwl_attribute_group);
if (err) {
IWL_ERR(priv, "failed to create sysfs device attributes\n");
@ -1187,7 +1187,7 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
iwl_dealloc_ucode(priv);
out_unbind:
complete(&priv->_agn.firmware_loading_complete);
device_release_driver(priv->bus.dev);
device_release_driver(priv->bus->dev);
release_firmware(ucode_raw);
}
@ -3102,8 +3102,7 @@ static void iwl_init_context(struct iwl_priv *priv)
BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2);
}
int iwl_probe(void *bus_specific, struct iwl_bus_ops *bus_ops,
struct iwl_cfg *cfg)
int iwl_probe(struct iwl_bus *bus, struct iwl_cfg *cfg)
{
int err = 0;
struct iwl_priv *priv;
@ -3121,17 +3120,12 @@ int iwl_probe(void *bus_specific, struct iwl_bus_ops *bus_ops,
}
priv = hw->priv;
priv->bus.priv = priv;
priv->bus.bus_specific = bus_specific;
priv->bus.ops = bus_ops;
priv->bus.irq = priv->bus.ops->get_irq(&priv->bus);
priv->bus.ops->set_drv_data(&priv->bus, priv);
priv->bus.dev = priv->bus.ops->get_dev(&priv->bus);
priv->bus = bus;
bus_set_drv_data(priv->bus, priv);
/* At this point both hw and priv are allocated. */
SET_IEEE80211_DEV(hw, priv->bus.dev);
SET_IEEE80211_DEV(hw, priv->bus->dev);
IWL_DEBUG_INFO(priv, "*** LOAD DRIVER ***\n");
priv->cfg = cfg;
@ -3154,7 +3148,6 @@ int iwl_probe(void *bus_specific, struct iwl_bus_ops *bus_ops,
if (iwl_alloc_traffic_mem(priv))
IWL_ERR(priv, "Not enough memory to generate traffic log\n");
/* these spin locks will be used in apm_ops.init and EEPROM access
* we should init now
*/
@ -3289,7 +3282,7 @@ void __devexit iwl_remove(struct iwl_priv * priv)
IWL_DEBUG_INFO(priv, "*** UNLOAD DRIVER ***\n");
iwl_dbgfs_unregister(priv);
sysfs_remove_group(&priv->bus.dev->kobj,
sysfs_remove_group(&priv->bus->dev->kobj,
&iwl_attribute_group);
/* ieee80211_unregister_hw call wil cause iwl_mac_stop to
@ -3339,7 +3332,7 @@ void __devexit iwl_remove(struct iwl_priv * priv)
trans_free(&priv->trans);
priv->bus.ops->set_drv_data(&priv->bus, NULL);
bus_set_drv_data(priv->bus, NULL);
iwl_uninit_drv(priv);

3
drivers/net/wireless/iwlwifi/iwl-agn.h
View File

@ -336,8 +336,7 @@ void iwl_testmode_cleanup(struct iwl_priv *priv)
}
#endif
int iwl_probe(void *bus_specific, struct iwl_bus_ops *bus_ops,
struct iwl_cfg *cfg);
int iwl_probe(struct iwl_bus *bus, struct iwl_cfg *cfg);
void __devexit iwl_remove(struct iwl_priv * priv);
#endif /* __iwl_agn_h__ */

73
drivers/net/wireless/iwlwifi/iwl-pci.h → drivers/net/wireless/iwlwifi/iwl-bus.h
View File

@ -63,6 +63,79 @@
#ifndef __iwl_pci_h__
#define __iwl_pci_h__
struct iwl_bus;
/**
* struct iwl_bus_ops - bus specific operations
* @get_pm_support: must returns true if the bus can go to sleep
* @apm_config: will be called during the config of the APM configuration
* @set_drv_data: set the priv pointer to the bus layer
* @get_hw_id: prints the hw_id in the provided buffer
* @write8: write a byte to register at offset ofs
* @write32: write a dword to register at offset ofs
* @wread32: read a dword at register at offset ofs
*/
struct iwl_bus_ops {
bool (*get_pm_support)(struct iwl_bus *bus);
void (*apm_config)(struct iwl_bus *bus);
void (*set_drv_data)(struct iwl_bus *bus, void *drv_data);
void (*get_hw_id)(struct iwl_bus *bus, char buf[], int buf_len);
void (*write8)(struct iwl_bus *bus, u32 ofs, u8 val);
void (*write32)(struct iwl_bus *bus, u32 ofs, u32 val);
u32 (*read32)(struct iwl_bus *bus, u32 ofs);
};
struct iwl_bus {
/* Common data to all buses */
/*TODO: priv should be void * */
struct iwl_priv *priv; /* driver's context */
struct device *dev;
struct iwl_bus_ops *ops;
unsigned int irq;
/* pointer to bus specific struct */
/*Ensure that this pointer will always be aligned to sizeof pointer */
char bus_specific[0] __attribute__((__aligned__(sizeof(void *))));
};
static inline bool bus_get_pm_support(struct iwl_bus *bus)
{
return bus->ops->get_pm_support(bus);
}
static inline void bus_apm_config(struct iwl_bus *bus)
{
bus->ops->apm_config(bus);
}
static inline void bus_set_drv_data(struct iwl_bus *bus, void *drv_data)
{
bus->ops->set_drv_data(bus, drv_data);
}
static inline void bus_get_hw_id(struct iwl_bus *bus, char buf[], int buf_len)
{
bus->ops->get_hw_id(bus, buf, buf_len);
}
static inline void bus_write8(struct iwl_bus *bus, u32 ofs, u8 val)
{
bus->ops->write8(bus, ofs, val);
}
static inline void bus_write32(struct iwl_bus *bus, u32 ofs, u32 val)
{
bus->ops->write32(bus, ofs, val);
}
static inline u32 bus_read32(struct iwl_bus *bus, u32 ofs)
{
return bus->ops->read32(bus, ofs);
}
int __must_check iwl_pci_register_driver(void);
void iwl_pci_unregister_driver(void);

4
drivers/net/wireless/iwlwifi/iwl-core.c
View File

@ -211,7 +211,7 @@ int iwlcore_init_geos(struct iwl_priv *priv)
if ((priv->bands[IEEE80211_BAND_5GHZ].n_channels == 0) &&
priv->cfg->sku & EEPROM_SKU_CAP_BAND_52GHZ) {
char buf[32];
priv->bus.ops->get_hw_id(&priv->bus, buf, sizeof(buf));
bus_get_hw_id(priv->bus, buf, sizeof(buf));
IWL_INFO(priv, "Incorrectly detected BG card as ABG. "
"Please send your %s to maintainer.\n", buf);
priv->cfg->sku &= ~EEPROM_SKU_CAP_BAND_52GHZ;
@ -1012,7 +1012,7 @@ int iwl_apm_init(struct iwl_priv *priv)
iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
CSR_HW_IF_CONFIG_REG_BIT_HAP_WAKE_L1A);
priv->bus.ops->apm_config(&priv->bus);
bus_apm_config(priv->bus);
/* Configure analog phase-lock-loop before activating to D0A */
if (priv->cfg->base_params->pll_cfg_val)

8
drivers/net/wireless/iwlwifi/iwl-debug.h
View File

@ -32,10 +32,10 @@
struct iwl_priv;
extern u32 iwl_debug_level;
#define IWL_ERR(p, f, a...) dev_err(p->bus.ops->get_dev(&p->bus), f, ## a)
#define IWL_WARN(p, f, a...) dev_warn(p->bus.ops->get_dev(&p->bus), f, ## a)
#define IWL_INFO(p, f, a...) dev_info(p->bus.ops->get_dev(&p->bus), f, ## a)
#define IWL_CRIT(p, f, a...) dev_crit(p->bus.ops->get_dev(&p->bus), f, ## a)
#define IWL_ERR(p, f, a...) dev_err(p->bus->dev, f, ## a)
#define IWL_WARN(p, f, a...) dev_warn(p->bus->dev, f, ## a)
#define IWL_INFO(p, f, a...) dev_info(p->bus->dev, f, ## a)
#define IWL_CRIT(p, f, a...) dev_crit(p->bus->dev, f, ## a)
#define iwl_print_hex_error(priv, p, len) \
do { \

41
drivers/net/wireless/iwlwifi/iwl-dev.h
View File

@ -47,6 +47,7 @@
#include "iwl-power.h"
#include "iwl-agn-rs.h"
#include "iwl-agn-tt.h"
#include "iwl-bus.h"
#include "iwl-trans.h"
#define DRV_NAME "iwlagn"
@ -1193,44 +1194,6 @@ struct iwl_testmode_trace {
};
#endif
struct iwl_bus;
/**
* struct iwl_bus_ops - bus specific operations
* @get_pm_support: must returns true if the bus can go to sleep
* @apm_config: will be called during the config of the APM configuration
* @set_drv_data: set the priv pointer to the bus layer
* @get_dev: returns the device struct
* @get_irq: returns the irq number
* @get_hw_id: prints the hw_id in the provided buffer
* @write8: write a byte to register at offset ofs
* @write32: write a dword to register at offset ofs
* @wread32: read a dword at register at offset ofs
*/
struct iwl_bus_ops {
bool (*get_pm_support)(struct iwl_bus *bus);
void (*apm_config)(struct iwl_bus *bus);
void (*set_drv_data)(struct iwl_bus *bus, void *priv);
struct device *(*get_dev)(const struct iwl_bus *bus);
unsigned int (*get_irq)(const struct iwl_bus *bus);
void (*get_hw_id)(struct iwl_bus *bus, char buf[], int buf_len);
void (*write8)(struct iwl_bus *bus, u32 ofs, u8 val);
void (*write32)(struct iwl_bus *bus, u32 ofs, u32 val);
u32 (*read32)(struct iwl_bus *bus, u32 ofs);
};
struct iwl_bus {
/* pointer to bus specific struct */
void *bus_specific;
/* Common data to all buses */
struct iwl_priv *priv; /* driver's context */
struct device *dev;
struct iwl_bus_ops *ops;
unsigned int irq;
};
/* uCode ownership */
#define IWL_OWNERSHIP_DRIVER 0
#define IWL_OWNERSHIP_TM 1
@ -1302,7 +1265,7 @@ struct iwl_priv {
spinlock_t reg_lock; /* protect hw register access */
struct mutex mutex;
struct iwl_bus bus; /* bus specific data */
struct iwl_bus *bus; /* bus specific data */
struct iwl_trans trans;
/* microcode/device supports multiple contexts */

7
drivers/net/wireless/iwlwifi/iwl-io.h
View File

@ -34,22 +34,23 @@
#include "iwl-dev.h"
#include "iwl-debug.h"
#include "iwl-devtrace.h"
#include "iwl-bus.h"
static inline void iwl_write8(struct iwl_priv *priv, u32 ofs, u8 val)
{
trace_iwlwifi_dev_iowrite8(priv, ofs, val);
priv->bus.ops->write8(&priv->bus, ofs, val);
bus_write8(priv->bus, ofs, val);
}
static inline void iwl_write32(struct iwl_priv *priv, u32 ofs, u32 val)
{
trace_iwlwifi_dev_iowrite32(priv, ofs, val);
priv->bus.ops->write32(&priv->bus, ofs, val);
bus_write32(priv->bus, ofs, val);
}
static inline u32 iwl_read32(struct iwl_priv *priv, u32 ofs)
{
u32 val = priv->bus.ops->read32(&priv->bus, ofs);
u32 val = bus_read32(priv->bus, ofs);
trace_iwlwifi_dev_ioread32(priv, ofs, val);
return val;
}

2
drivers/net/wireless/iwlwifi/iwl-led.c
View File

@ -203,7 +203,7 @@ void iwl_leds_init(struct iwl_priv *priv)
break;
}
ret = led_classdev_register(priv->bus.dev,
ret = led_classdev_register(priv->bus->dev,
&priv->led);
if (ret) {
kfree(priv->led.name);

64
drivers/net/wireless/iwlwifi/iwl-pci.c
View File

@ -63,11 +63,10 @@
#include <linux/pci.h>
#include <linux/pci-aspm.h>
#include "iwl-pci.h"
#include "iwl-bus.h"
#include "iwl-agn.h"
#include "iwl-core.h"
#include "iwl-io.h"
#include "iwl-trans.h"
/* PCI registers */
#define PCI_CFG_RETRY_TIMEOUT 0x041
@ -132,19 +131,9 @@ static void iwl_pci_apm_config(struct iwl_bus *bus)
}
}
static void iwl_pci_set_drv_data(struct iwl_bus *bus, void *drv_priv)
static void iwl_pci_set_drv_data(struct iwl_bus *bus, void *drv_data)
{
pci_set_drvdata(IWL_BUS_GET_PCI_DEV(bus), drv_priv);
}
static struct device *iwl_pci_get_dev(const struct iwl_bus *bus)
{
return &(IWL_BUS_GET_PCI_DEV(bus)->dev);
}
static unsigned int iwl_pci_get_irq(const struct iwl_bus *bus)
{
return IWL_BUS_GET_PCI_DEV(bus)->irq;
bus->priv = drv_data;
}
static void iwl_pci_get_hw_id(struct iwl_bus *bus, char buf[],
@ -176,8 +165,6 @@ static struct iwl_bus_ops pci_ops = {
.get_pm_support = iwl_pci_is_pm_supported,
.apm_config = iwl_pci_apm_config,
.set_drv_data = iwl_pci_set_drv_data,
.get_dev = iwl_pci_get_dev,
.get_irq = iwl_pci_get_irq,
.get_hw_id = iwl_pci_get_hw_id,
.write8 = iwl_pci_write8,
.write32 = iwl_pci_write32,
@ -383,18 +370,20 @@ 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_pci_bus *bus;
struct iwl_bus *bus;
struct iwl_pci_bus *pci_bus;
u16 pci_cmd;
int err;
bus = kzalloc(sizeof(*bus), GFP_KERNEL);
bus = kzalloc(sizeof(*bus) + sizeof(*pci_bus), GFP_KERNEL);
if (!bus) {
pr_err("Couldn't allocate iwl_pci_bus");
err = -ENOMEM;
goto out_no_pci;
}
bus->pci_dev = pdev;
pci_bus = IWL_BUS_GET_PCI_BUS(bus);
pci_bus->pci_dev = pdev;
/* W/A - seems to solve weird behavior. We need to remove this if we
* don't want to stay in L1 all the time. This wastes a lot of power */
@ -429,8 +418,8 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
goto out_pci_disable_device;
}
bus->hw_base = pci_iomap(pdev, 0, 0);
if (!bus->hw_base) {
pci_bus->hw_base = pci_iomap(pdev, 0, 0);
if (!pci_bus->hw_base) {
pr_err("pci_iomap failed");
err = -ENODEV;
goto out_pci_release_regions;
@ -438,7 +427,7 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
pr_info("pci_resource_len = 0x%08llx\n",
(unsigned long long) pci_resource_len(pdev, 0));
pr_info("pci_resource_base = %p\n", bus->hw_base);
pr_info("pci_resource_base = %p\n", pci_bus->hw_base);
pr_info("HW Revision ID = 0x%X\n", pdev->revision);
@ -460,7 +449,13 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
pci_write_config_word(pdev, PCI_COMMAND, pci_cmd);
}
err = iwl_probe((void *) bus, &pci_ops, cfg);
pci_set_drvdata(pdev, bus);
bus->dev = &pdev->dev;
bus->irq = pdev->irq;
bus->ops = &pci_ops;
err = iwl_probe(bus, cfg);
if (err)
goto out_disable_msi;
return 0;
@ -468,7 +463,7 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
out_disable_msi:
pci_disable_msi(pdev);
out_iounmap:
pci_iounmap(pdev, bus->hw_base);
pci_iounmap(pdev, pci_bus->hw_base);
out_pci_release_regions:
pci_set_drvdata(pdev, NULL);
pci_release_regions(pdev);
@ -479,9 +474,9 @@ out_no_pci:
return err;
}
static void iwl_pci_down(void *bus)
static void iwl_pci_down(struct iwl_bus *bus)
{
struct iwl_pci_bus *pci_bus = (struct iwl_pci_bus *) bus;
struct iwl_pci_bus *pci_bus = (struct iwl_pci_bus *) bus->bus_specific;
pci_disable_msi(pci_bus->pci_dev);
pci_iounmap(pci_bus->pci_dev, pci_bus->hw_base);
@ -489,17 +484,16 @@ static void iwl_pci_down(void *bus)
pci_disable_device(pci_bus->pci_dev);
pci_set_drvdata(pci_bus->pci_dev, NULL);
kfree(pci_bus);
kfree(bus);
}
static void __devexit iwl_pci_remove(struct pci_dev *pdev)
{
struct iwl_priv *priv = pci_get_drvdata(pdev);
void *bus_specific = priv->bus.bus_specific;
struct iwl_bus *bus = pci_get_drvdata(pdev);
iwl_remove(priv);
iwl_remove(bus->priv);
iwl_pci_down(bus_specific);
iwl_pci_down(bus);
}
#ifdef CONFIG_PM
@ -507,15 +501,15 @@ 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_priv *priv = pci_get_drvdata(pdev);
struct iwl_bus *bus = pci_get_drvdata(pdev);
return iwl_suspend(priv);
return iwl_suspend(bus->priv);
}
static int iwl_pci_resume(struct device *device)
{
struct pci_dev *pdev = to_pci_dev(device);
struct iwl_priv *priv = pci_get_drvdata(pdev);
struct iwl_bus *bus = pci_get_drvdata(pdev);
/*
* We disable the RETRY_TIMEOUT register (0x41) to keep
@ -523,7 +517,7 @@ static int iwl_pci_resume(struct device *device)
*/
pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00);
return iwl_resume(priv);
return iwl_resume(bus->priv);
}
static SIMPLE_DEV_PM_OPS(iwl_dev_pm_ops, iwl_pci_suspend, iwl_pci_resume);

2
drivers/net/wireless/iwlwifi/iwl-power.c
View File

@ -432,7 +432,7 @@ int iwl_power_update_mode(struct iwl_priv *priv, bool force)
/* initialize to default */
void iwl_power_initialize(struct iwl_priv *priv)
{
priv->power_data.bus_pm = priv->bus.ops->get_pm_support(&priv->bus);
priv->power_data.bus_pm = bus_get_pm_support(priv->bus);
priv->power_data.debug_sleep_level_override = -1;

6
drivers/net/wireless/iwlwifi/iwl-sv-open.c
View File

@ -181,12 +181,10 @@ void iwl_testmode_init(struct iwl_priv *priv)
static void iwl_trace_cleanup(struct iwl_priv *priv)
{
struct device *dev = priv->bus.dev;
if (priv->testmode_trace.trace_enabled) {
if (priv->testmode_trace.cpu_addr &&
priv->testmode_trace.dma_addr)
dma_free_coherent(dev,
dma_free_coherent(priv->bus->dev,
priv->testmode_trace.total_size,
priv->testmode_trace.cpu_addr,
priv->testmode_trace.dma_addr);
@ -486,7 +484,7 @@ static int iwl_testmode_trace(struct ieee80211_hw *hw, struct nlattr **tb)
struct iwl_priv *priv = hw->priv;
struct sk_buff *skb;
int status = 0;
struct device *dev = priv->bus.dev;
struct device *dev = priv->bus->dev;
switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) {
case IWL_TM_CMD_APP2DEV_BEGIN_TRACE:

10
drivers/net/wireless/iwlwifi/iwl-trans-rx-pcie.c
View File

@ -305,7 +305,7 @@ static void iwlagn_rx_allocate(struct iwl_priv *priv, gfp_t priority)
BUG_ON(rxb->page);
rxb->page = page;
/* Get physical address of the RB */
rxb->page_dma = dma_map_page(priv->bus.dev, page, 0,
rxb->page_dma = dma_map_page(priv->bus->dev, page, 0,
PAGE_SIZE << priv->hw_params.rx_page_order,
DMA_FROM_DEVICE);
/* dma address must be no more than 36 bits */
@ -404,7 +404,7 @@ static void iwl_rx_handle(struct iwl_priv *priv)
rxq->queue[i] = NULL;
dma_unmap_page(priv->bus.dev, rxb->page_dma,
dma_unmap_page(priv->bus->dev, rxb->page_dma,
PAGE_SIZE << priv->hw_params.rx_page_order,
DMA_FROM_DEVICE);
pkt = rxb_addr(rxb);
@ -455,7 +455,7 @@ static void iwl_rx_handle(struct iwl_priv *priv)
* rx_free list for reuse later. */
spin_lock_irqsave(&rxq->lock, flags);
if (rxb->page != NULL) {
rxb->page_dma = dma_map_page(priv->bus.dev, rxb->page,
rxb->page_dma = dma_map_page(priv->bus->dev, rxb->page,
0, PAGE_SIZE << priv->hw_params.rx_page_order,
DMA_FROM_DEVICE);
list_add_tail(&rxb->list, &rxq->rx_free);
@ -704,7 +704,7 @@ void iwl_irq_tasklet(struct iwl_priv *priv)
void iwl_free_isr_ict(struct iwl_priv *priv)
{
if (priv->_agn.ict_tbl_vir) {
dma_free_coherent(priv->bus.dev,
dma_free_coherent(priv->bus->dev,
(sizeof(u32) * ICT_COUNT) + PAGE_SIZE,
priv->_agn.ict_tbl_vir,
priv->_agn.ict_tbl_dma);
@ -725,7 +725,7 @@ int iwl_alloc_isr_ict(struct iwl_priv *priv)
/* allocate shrared data table */
priv->_agn.ict_tbl_vir =
dma_alloc_coherent(priv->bus.dev,
dma_alloc_coherent(priv->bus->dev,
(sizeof(u32) * ICT_COUNT) + PAGE_SIZE,
&priv->_agn.ict_tbl_dma, GFP_KERNEL);
if (!priv->_agn.ict_tbl_vir)

12
drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c
View File

@ -182,14 +182,14 @@ static void iwlagn_unmap_tfd(struct iwl_priv *priv, struct iwl_cmd_meta *meta,
/* Unmap tx_cmd */
if (num_tbs)
dma_unmap_single(priv->bus.dev,
dma_unmap_single(priv->bus->dev,
dma_unmap_addr(meta, mapping),
dma_unmap_len(meta, len),
DMA_BIDIRECTIONAL);
/* Unmap chunks, if any. */
for (i = 1; i < num_tbs; i++)
dma_unmap_single(priv->bus.dev, iwl_tfd_tb_get_addr(tfd, i),
dma_unmap_single(priv->bus->dev, iwl_tfd_tb_get_addr(tfd, i),
iwl_tfd_tb_get_len(tfd, i), dma_dir);
}
@ -640,9 +640,9 @@ static int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
le16_to_cpu(out_cmd->hdr.sequence), cmd_size,
q->write_ptr, idx, priv->cmd_queue);
phys_addr = dma_map_single(priv->bus.dev, &out_cmd->hdr, copy_size,
phys_addr = dma_map_single(priv->bus->dev, &out_cmd->hdr, copy_size,
DMA_BIDIRECTIONAL);
if (unlikely(dma_mapping_error(priv->bus.dev, phys_addr))) {
if (unlikely(dma_mapping_error(priv->bus->dev, phys_addr))) {
idx = -ENOMEM;
goto out;
}
@ -662,9 +662,9 @@ static int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
continue;
if (!(cmd->dataflags[i] & IWL_HCMD_DFL_NOCOPY))
continue;
phys_addr = dma_map_single(priv->bus.dev, (void *)cmd->data[i],
phys_addr = dma_map_single(priv->bus->dev, (void *)cmd->data[i],
cmd->len[i], DMA_BIDIRECTIONAL);
if (dma_mapping_error(priv->bus.dev, phys_addr)) {
if (dma_mapping_error(priv->bus->dev, phys_addr)) {
iwlagn_unmap_tfd(priv, out_meta,
&txq->tfds[q->write_ptr],
DMA_BIDIRECTIONAL);

38
drivers/net/wireless/iwlwifi/iwl-trans.c
View File

@ -72,7 +72,7 @@
static int iwl_trans_rx_alloc(struct iwl_priv *priv)
{
struct iwl_rx_queue *rxq = &priv->rxq;
struct device *dev = priv->bus.dev;
struct device *dev = priv->bus->dev;
memset(&priv->rxq, 0, sizeof(priv->rxq));
@ -118,7 +118,7 @@ static void iwl_trans_rxq_free_rx_bufs(struct iwl_priv *priv)
/* In the reset function, these buffers may have been allocated
* to an SKB, so we need to unmap and free potential storage */
if (rxq->pool[i].page != NULL) {
dma_unmap_page(priv->bus.dev, rxq->pool[i].page_dma,
dma_unmap_page(priv->bus->dev, rxq->pool[i].page_dma,
PAGE_SIZE << priv->hw_params.rx_page_order,
DMA_FROM_DEVICE);
__iwl_free_pages(priv, rxq->pool[i].page);
@ -233,13 +233,13 @@ static void iwl_trans_rx_free(struct iwl_priv *priv)
iwl_trans_rxq_free_rx_bufs(priv);
spin_unlock_irqrestore(&rxq->lock, flags);
dma_free_coherent(priv->bus.dev, sizeof(__le32) * RX_QUEUE_SIZE,
dma_free_coherent(priv->bus->dev, sizeof(__le32) * RX_QUEUE_SIZE,
rxq->bd, rxq->bd_dma);
memset(&rxq->bd_dma, 0, sizeof(rxq->bd_dma));
rxq->bd = NULL;
if (rxq->rb_stts)
dma_free_coherent(priv->bus.dev,
dma_free_coherent(priv->bus->dev,
sizeof(struct iwl_rb_status),
rxq->rb_stts, rxq->rb_stts_dma);
else
@ -263,7 +263,7 @@ static inline int iwlagn_alloc_dma_ptr(struct iwl_priv *priv,
if (WARN_ON(ptr->addr))
return -EINVAL;
ptr->addr = dma_alloc_coherent(priv->bus.dev, size,
ptr->addr = dma_alloc_coherent(priv->bus->dev, size,
&ptr->dma, GFP_KERNEL);
if (!ptr->addr)
return -ENOMEM;
@ -277,7 +277,7 @@ static inline void iwlagn_free_dma_ptr(struct iwl_priv *priv,
if (unlikely(!ptr->addr))
return;
dma_free_coherent(priv->bus.dev, ptr->size, ptr->addr, ptr->dma);
dma_free_coherent(priv->bus->dev, ptr->size, ptr->addr, ptr->dma);
memset(ptr, 0, sizeof(*ptr));
}
@ -324,7 +324,7 @@ static int iwl_trans_txq_alloc(struct iwl_priv *priv, struct iwl_tx_queue *txq,
/* Circular buffer of transmit frame descriptors (TFDs),
* shared with device */
txq->tfds = dma_alloc_coherent(priv->bus.dev, tfd_sz, &txq->q.dma_addr,
txq->tfds = dma_alloc_coherent(priv->bus->dev, tfd_sz, &txq->q.dma_addr,
GFP_KERNEL);
if (!txq->tfds) {
IWL_ERR(priv, "dma_alloc_coherent(%zd) failed\n", tfd_sz);
@ -415,7 +415,7 @@ static void iwl_tx_queue_unmap(struct iwl_priv *priv, int txq_id)
static void iwl_tx_queue_free(struct iwl_priv *priv, int txq_id)
{
struct iwl_tx_queue *txq = &priv->txq[txq_id];
struct device *dev = priv->bus.dev;
struct device *dev = priv->bus->dev;
int i;
if (WARN_ON(!txq))
return;
@ -1016,10 +1016,10 @@ static int iwl_trans_tx(struct iwl_priv *priv, struct sk_buff *skb,
/* Physical address of this Tx command's header (not MAC header!),
* within command buffer array. */
txcmd_phys = dma_map_single(priv->bus.dev,
txcmd_phys = dma_map_single(priv->bus->dev,
&dev_cmd->hdr, firstlen,
DMA_BIDIRECTIONAL);
if (unlikely(dma_mapping_error(priv->bus.dev, txcmd_phys)))
if (unlikely(dma_mapping_error(priv->bus->dev, txcmd_phys)))
return -1;
dma_unmap_addr_set(out_meta, mapping, txcmd_phys);
dma_unmap_len_set(out_meta, len, firstlen);
@ -1035,10 +1035,10 @@ static int iwl_trans_tx(struct iwl_priv *priv, struct sk_buff *skb,
* if any (802.11 null frames have no payload). */
secondlen = skb->len - hdr_len;
if (secondlen > 0) {
phys_addr = dma_map_single(priv->bus.dev, skb->data + hdr_len,
phys_addr = dma_map_single(priv->bus->dev, skb->data + hdr_len,
secondlen, DMA_TO_DEVICE);
if (unlikely(dma_mapping_error(priv->bus.dev, phys_addr))) {
dma_unmap_single(priv->bus.dev,
if (unlikely(dma_mapping_error(priv->bus->dev, phys_addr))) {
dma_unmap_single(priv->bus->dev,
dma_unmap_addr(out_meta, mapping),
dma_unmap_len(out_meta, len),
DMA_BIDIRECTIONAL);
@ -1056,7 +1056,7 @@ static int iwl_trans_tx(struct iwl_priv *priv, struct sk_buff *skb,
offsetof(struct iwl_tx_cmd, scratch);
/* take back ownership of DMA buffer to enable update */
dma_sync_single_for_cpu(priv->bus.dev, txcmd_phys, firstlen,
dma_sync_single_for_cpu(priv->bus->dev, txcmd_phys, firstlen,
DMA_BIDIRECTIONAL);
tx_cmd->dram_lsb_ptr = cpu_to_le32(scratch_phys);
tx_cmd->dram_msb_ptr = iwl_get_dma_hi_addr(scratch_phys);
@ -1072,7 +1072,7 @@ static int iwl_trans_tx(struct iwl_priv *priv, struct sk_buff *skb,
iwl_trans_txq_update_byte_cnt_tbl(priv, txq,
le16_to_cpu(tx_cmd->len));
dma_sync_single_for_device(priv->bus.dev, txcmd_phys, firstlen,
dma_sync_single_for_device(priv->bus->dev, txcmd_phys, firstlen,
DMA_BIDIRECTIONAL);
trace_iwlwifi_dev_tx(priv,
@ -1111,13 +1111,13 @@ static void iwl_trans_kick_nic(struct iwl_priv *priv)
static void iwl_trans_sync_irq(struct iwl_priv *priv)
{
/* wait to make sure we flush pending tasklet*/
synchronize_irq(priv->bus.irq);
synchronize_irq(priv->bus->irq);
tasklet_kill(&priv->irq_tasklet);
}
static void iwl_trans_free(struct iwl_priv *priv)
{
free_irq(priv->bus.irq, priv);
free_irq(priv->bus->irq, priv);
iwl_free_isr_ict(priv);
}
@ -1155,10 +1155,10 @@ int iwl_trans_register(struct iwl_trans *trans, struct iwl_priv *priv)
iwl_alloc_isr_ict(priv);
err = request_irq(priv->bus.irq, iwl_isr_ict, IRQF_SHARED,
err = request_irq(priv->bus->irq, iwl_isr_ict, IRQF_SHARED,
DRV_NAME, priv);
if (err) {
IWL_ERR(priv, "Error allocating IRQ %d\n", priv->bus.irq);
IWL_ERR(priv, "Error allocating IRQ %d\n", priv->bus->irq);
iwl_free_isr_ict(priv);
return err;
}