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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless

Browse Source 
Conflicts:
	drivers/net/wireless/rt2x00/rt2x00pci.c
This commit is contained in:
John W. Linville
2013-04-10 09:31:39 -04:00
parent deb09280cd 69a2bac898
commit 6fe5468f45
26 changed files with 460 additions and 347 deletions
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4
drivers/net/wireless/ath/ath9k/main.c
View File

@@ -280,6 +280,10 @@ static int ath_reset_internal(struct ath_softc *sc, struct ath9k_channel *hchan)
if (r) {
ath_err(common,
"Unable to reset channel, reset status %d\n", r);
ath9k_hw_enable_interrupts(ah);
ath9k_queue_reset(sc, RESET_TYPE_BB_HANG);
goto out;
}

6
drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
View File

@@ -3303,15 +3303,15 @@ static int _brcmf_sdbrcm_download_firmware(struct brcmf_sdio *bus)
goto err;
}
/* External image takes precedence if specified */
if (brcmf_sdbrcm_download_code_file(bus)) {
brcmf_err("dongle image file download failed\n");
goto err;
}
/* External nvram takes precedence if specified */
if (brcmf_sdbrcm_download_nvram(bus))
if (brcmf_sdbrcm_download_nvram(bus)) {
brcmf_err("dongle nvram file download failed\n");
goto err;
}
/* Take arm out of reset */
if (brcmf_sdbrcm_download_state(bus, false)) {

46
drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
View File

@@ -1844,8 +1844,10 @@ static s32
brcmf_add_keyext(struct wiphy *wiphy, struct net_device *ndev,
u8 key_idx, const u8 *mac_addr, struct key_params *params)
{
struct brcmf_if *ifp = netdev_priv(ndev);
struct brcmf_wsec_key key;
s32 err = 0;
u8 keybuf[8];
memset(&key, 0, sizeof(key));
key.index = (u32) key_idx;
@@ -1869,8 +1871,9 @@ brcmf_add_keyext(struct wiphy *wiphy, struct net_device *ndev,
brcmf_dbg(CONN, "Setting the key index %d\n", key.index);
memcpy(key.data, params->key, key.len);
if (params->cipher == WLAN_CIPHER_SUITE_TKIP) {
u8 keybuf[8];
if ((ifp->vif->mode != WL_MODE_AP) &&
(params->cipher == WLAN_CIPHER_SUITE_TKIP)) {
brcmf_dbg(CONN, "Swapping RX/TX MIC key\n");
memcpy(keybuf, &key.data[24], sizeof(keybuf));
memcpy(&key.data[24], &key.data[16], sizeof(keybuf));
memcpy(&key.data[16], keybuf, sizeof(keybuf));
@@ -1966,7 +1969,7 @@ brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
break;
case WLAN_CIPHER_SUITE_TKIP:
if (ifp->vif->mode != WL_MODE_AP) {
brcmf_dbg(CONN, "Swapping key\n");
brcmf_dbg(CONN, "Swapping RX/TX MIC key\n");
memcpy(keybuf, &key.data[24], sizeof(keybuf));
memcpy(&key.data[24], &key.data[16], sizeof(keybuf));
memcpy(&key.data[16], keybuf, sizeof(keybuf));
@@ -2071,8 +2074,7 @@ brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
err = -EAGAIN;
goto done;
}
switch (wsec & ~SES_OW_ENABLED) {
case WEP_ENABLED:
if (wsec & WEP_ENABLED) {
sec = &profile->sec;
if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) {
params.cipher = WLAN_CIPHER_SUITE_WEP40;
@@ -2081,16 +2083,13 @@ brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
params.cipher = WLAN_CIPHER_SUITE_WEP104;
brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
}
break;
case TKIP_ENABLED:
} else if (wsec & TKIP_ENABLED) {
params.cipher = WLAN_CIPHER_SUITE_TKIP;
brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
break;
case AES_ENABLED:
} else if (wsec & AES_ENABLED) {
params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
break;
default:
} else {
brcmf_err("Invalid algo (0x%x)\n", wsec);
err = -EINVAL;
goto done;
@@ -3774,8 +3773,9 @@ exit:
static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
{
struct brcmf_if *ifp = netdev_priv(ndev);
s32 err = -EPERM;
s32 err;
struct brcmf_fil_bss_enable_le bss_enable;
struct brcmf_join_params join_params;
brcmf_dbg(TRACE, "Enter\n");
@@ -3783,16 +3783,21 @@ static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
/* Due to most likely deauths outstanding we sleep */
/* first to make sure they get processed by fw. */
msleep(400);
err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 0);
if (err < 0) {
brcmf_err("setting AP mode failed %d\n", err);
goto exit;
}
memset(&join_params, 0, sizeof(join_params));
err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
&join_params, sizeof(join_params));
if (err < 0)
brcmf_err("SET SSID error (%d)\n", err);
err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0);
if (err < 0) {
if (err < 0)
brcmf_err("BRCMF_C_UP error %d\n", err);
goto exit;
}
err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 0);
if (err < 0)
brcmf_err("setting AP mode failed %d\n", err);
err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 0);
if (err < 0)
brcmf_err("setting INFRA mode failed %d\n", err);
} else {
bss_enable.bsscfg_idx = cpu_to_le32(ifp->bssidx);
bss_enable.enable = cpu_to_le32(0);
@@ -3805,7 +3810,6 @@ static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
set_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state);
clear_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
exit:
return err;
}

18
drivers/net/wireless/iwlwifi/dvm/rxon.c
View File

@@ -1419,6 +1419,14 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
mutex_lock(&priv->mutex);
if (changes & BSS_CHANGED_IDLE && bss_conf->idle) {
/*
* If we go idle, then clearly no "passive-no-rx"
* workaround is needed any more, this is a reset.
*/
iwlagn_lift_passive_no_rx(priv);
}
if (unlikely(!iwl_is_ready(priv))) {
IWL_DEBUG_MAC80211(priv, "leave - not ready\n");
mutex_unlock(&priv->mutex);
@@ -1450,16 +1458,6 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
priv->timestamp = bss_conf->sync_tsf;
ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK;
} else {
/*
* If we disassociate while there are pending
* frames, just wake up the queues and let the
* frames "escape" ... This shouldn't really
* be happening to start with, but we should
* not get stuck in this case either since it
* can happen if userspace gets confused.
*/
iwlagn_lift_passive_no_rx(priv);
ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
if (ctx->ctxid == IWL_RXON_CTX_BSS)

2
drivers/net/wireless/iwlwifi/dvm/tx.c
View File

@@ -1193,7 +1193,7 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
memset(&info->status, 0, sizeof(info->status));
if (status == TX_STATUS_FAIL_PASSIVE_NO_RX &&
iwl_is_associated_ctx(ctx) && ctx->vif &&
ctx->vif &&
ctx->vif->type == NL80211_IFTYPE_STATION) {
/* block and stop all queues */
priv->passive_no_rx = true;

3
drivers/net/wireless/mwifiex/cfg80211.c
View File

@@ -1904,7 +1904,8 @@ mwifiex_cfg80211_scan(struct wiphy *wiphy,
}
}
for (i = 0; i < request->n_channels; i++) {
for (i = 0; i < min_t(u32, request->n_channels,
MWIFIEX_USER_SCAN_CHAN_MAX); i++) {
chan = request->channels[i];
priv->user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
priv->user_scan_cfg->chan_list[i].radio_type = chan->band;

11
drivers/net/wireless/mwifiex/scan.c
View File

@@ -1393,8 +1393,10 @@ int mwifiex_scan_networks(struct mwifiex_private *priv,
queue_work(adapter->workqueue, &adapter->main_work);
/* Perform internal scan synchronously */
if (!priv->scan_request)
if (!priv->scan_request) {
dev_dbg(adapter->dev, "wait internal scan\n");
mwifiex_wait_queue_complete(adapter, cmd_node);
}
} else {
spin_unlock_irqrestore(&adapter->scan_pending_q_lock,
flags);
@@ -1793,7 +1795,12 @@ check_next_scan:
/* Need to indicate IOCTL complete */
if (adapter->curr_cmd->wait_q_enabled) {
adapter->cmd_wait_q.status = 0;
mwifiex_complete_cmd(adapter, adapter->curr_cmd);
if (!priv->scan_request) {
dev_dbg(adapter->dev,
"complete internal scan\n");
mwifiex_complete_cmd(adapter,
adapter->curr_cmd);
}
}
if (priv->report_scan_result)
priv->report_scan_result = false;

7
drivers/net/wireless/rt2x00/Kconfig
View File

@@ -20,6 +20,7 @@ if RT2X00
config RT2400PCI
tristate "Ralink rt2400 (PCI/PCMCIA) support"
depends on PCI
select RT2X00_LIB_MMIO
select RT2X00_LIB_PCI
select EEPROM_93CX6
---help---
@@ -31,6 +32,7 @@ config RT2400PCI
config RT2500PCI
tristate "Ralink rt2500 (PCI/PCMCIA) support"
depends on PCI
select RT2X00_LIB_MMIO
select RT2X00_LIB_PCI
select EEPROM_93CX6
---help---
@@ -43,6 +45,7 @@ config RT61PCI
tristate "Ralink rt2501/rt61 (PCI/PCMCIA) support"
depends on PCI
select RT2X00_LIB_PCI
select RT2X00_LIB_MMIO
select RT2X00_LIB_FIRMWARE
select RT2X00_LIB_CRYPTO
select CRC_ITU_T
@@ -57,6 +60,7 @@ config RT2800PCI
tristate "Ralink rt27xx/rt28xx/rt30xx (PCI/PCIe/PCMCIA) support"
depends on PCI || SOC_RT288X || SOC_RT305X
select RT2800_LIB
select RT2X00_LIB_MMIO
select RT2X00_LIB_PCI if PCI
select RT2X00_LIB_SOC if SOC_RT288X || SOC_RT305X
select RT2X00_LIB_FIRMWARE
@@ -192,6 +196,9 @@ endif
config RT2800_LIB
tristate
config RT2X00_LIB_MMIO
tristate
config RT2X00_LIB_PCI
tristate
select RT2X00_LIB

1
drivers/net/wireless/rt2x00/Makefile
View File

@@ -9,6 +9,7 @@ rt2x00lib-$(CONFIG_RT2X00_LIB_FIRMWARE) += rt2x00firmware.o
rt2x00lib-$(CONFIG_RT2X00_LIB_LEDS) += rt2x00leds.o
obj-$(CONFIG_RT2X00_LIB) += rt2x00lib.o
obj-$(CONFIG_RT2X00_LIB_MMIO) += rt2x00mmio.o
obj-$(CONFIG_RT2X00_LIB_PCI) += rt2x00pci.o
obj-$(CONFIG_RT2X00_LIB_SOC) += rt2x00soc.o
obj-$(CONFIG_RT2X00_LIB_USB) += rt2x00usb.o

1
drivers/net/wireless/rt2x00/rt2400pci.c
View File

@@ -34,6 +34,7 @@
#include <linux/slab.h>
#include "rt2x00.h"
#include "rt2x00mmio.h"
#include "rt2x00pci.h"
#include "rt2400pci.h"

1
drivers/net/wireless/rt2x00/rt2500pci.c
View File

@@ -34,6 +34,7 @@
#include <linux/slab.h>
#include "rt2x00.h"
#include "rt2x00mmio.h"
#include "rt2x00pci.h"
#include "rt2500pci.h"

1
drivers/net/wireless/rt2x00/rt2800pci.c
View File

@@ -41,6 +41,7 @@
#include <linux/eeprom_93cx6.h>
#include "rt2x00.h"
#include "rt2x00mmio.h"
#include "rt2x00pci.h"
#include "rt2x00soc.h"
#include "rt2800lib.h"

216
drivers/net/wireless/rt2x00/rt2x00mmio.c Normal file
View File

@@ -0,0 +1,216 @@
/*
Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
<http://rt2x00.serialmonkey.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
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.,
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/*
Module: rt2x00mmio
Abstract: rt2x00 generic mmio device routines.
*/
#include <linux/dma-mapping.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
#include "rt2x00.h"
#include "rt2x00mmio.h"
/*
* Register access.
*/
int rt2x00pci_regbusy_read(struct rt2x00_dev *rt2x00dev,
const unsigned int offset,
const struct rt2x00_field32 field,
u32 *reg)
{
unsigned int i;
if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
return 0;
for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
rt2x00pci_register_read(rt2x00dev, offset, reg);
if (!rt2x00_get_field32(*reg, field))
return 1;
udelay(REGISTER_BUSY_DELAY);
}
printk_once(KERN_ERR "%s() Indirect register access failed: "
"offset=0x%.08x, value=0x%.08x\n", __func__, offset, *reg);
*reg = ~0;
return 0;
}
EXPORT_SYMBOL_GPL(rt2x00pci_regbusy_read);
bool rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev)
{
struct data_queue *queue = rt2x00dev->rx;
struct queue_entry *entry;
struct queue_entry_priv_pci *entry_priv;
struct skb_frame_desc *skbdesc;
int max_rx = 16;
while (--max_rx) {
entry = rt2x00queue_get_entry(queue, Q_INDEX);
entry_priv = entry->priv_data;
if (rt2x00dev->ops->lib->get_entry_state(entry))
break;
/*
* Fill in desc fields of the skb descriptor
*/
skbdesc = get_skb_frame_desc(entry->skb);
skbdesc->desc = entry_priv->desc;
skbdesc->desc_len = entry->queue->desc_size;
/*
* DMA is already done, notify rt2x00lib that
* it finished successfully.
*/
rt2x00lib_dmastart(entry);
rt2x00lib_dmadone(entry);
/*
* Send the frame to rt2x00lib for further processing.
*/
rt2x00lib_rxdone(entry, GFP_ATOMIC);
}
return !max_rx;
}
EXPORT_SYMBOL_GPL(rt2x00pci_rxdone);
void rt2x00pci_flush_queue(struct data_queue *queue, bool drop)
{
unsigned int i;
for (i = 0; !rt2x00queue_empty(queue) && i < 10; i++)
msleep(10);
}
EXPORT_SYMBOL_GPL(rt2x00pci_flush_queue);
/*
* Device initialization handlers.
*/
static int rt2x00pci_alloc_queue_dma(struct rt2x00_dev *rt2x00dev,
struct data_queue *queue)
{
struct queue_entry_priv_pci *entry_priv;
void *addr;
dma_addr_t dma;
unsigned int i;
/*
* Allocate DMA memory for descriptor and buffer.
*/
addr = dma_alloc_coherent(rt2x00dev->dev,
queue->limit * queue->desc_size,
&dma, GFP_KERNEL);
if (!addr)
return -ENOMEM;
memset(addr, 0, queue->limit * queue->desc_size);
/*
* Initialize all queue entries to contain valid addresses.
*/
for (i = 0; i < queue->limit; i++) {
entry_priv = queue->entries[i].priv_data;
entry_priv->desc = addr + i * queue->desc_size;
entry_priv->desc_dma = dma + i * queue->desc_size;
}
return 0;
}
static void rt2x00pci_free_queue_dma(struct rt2x00_dev *rt2x00dev,
struct data_queue *queue)
{
struct queue_entry_priv_pci *entry_priv =
queue->entries[0].priv_data;
if (entry_priv->desc)
dma_free_coherent(rt2x00dev->dev,
queue->limit * queue->desc_size,
entry_priv->desc, entry_priv->desc_dma);
entry_priv->desc = NULL;
}
int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev)
{
struct data_queue *queue;
int status;
/*
* Allocate DMA
*/
queue_for_each(rt2x00dev, queue) {
status = rt2x00pci_alloc_queue_dma(rt2x00dev, queue);
if (status)
goto exit;
}
/*
* Register interrupt handler.
*/
status = request_irq(rt2x00dev->irq,
rt2x00dev->ops->lib->irq_handler,
IRQF_SHARED, rt2x00dev->name, rt2x00dev);
if (status) {
ERROR(rt2x00dev, "IRQ %d allocation failed (error %d).\n",
rt2x00dev->irq, status);
goto exit;
}
return 0;
exit:
queue_for_each(rt2x00dev, queue)
rt2x00pci_free_queue_dma(rt2x00dev, queue);
return status;
}
EXPORT_SYMBOL_GPL(rt2x00pci_initialize);
void rt2x00pci_uninitialize(struct rt2x00_dev *rt2x00dev)
{
struct data_queue *queue;
/*
* Free irq line.
*/
free_irq(rt2x00dev->irq, rt2x00dev);
/*
* Free DMA
*/
queue_for_each(rt2x00dev, queue)
rt2x00pci_free_queue_dma(rt2x00dev, queue);
}
EXPORT_SYMBOL_GPL(rt2x00pci_uninitialize);
/*
* rt2x00mmio module information.
*/
MODULE_AUTHOR(DRV_PROJECT);
MODULE_VERSION(DRV_VERSION);
MODULE_DESCRIPTION("rt2x00 mmio library");
MODULE_LICENSE("GPL");

119
drivers/net/wireless/rt2x00/rt2x00mmio.h Normal file
View File

@@ -0,0 +1,119 @@
/*
Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
<http://rt2x00.serialmonkey.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
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.,
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/*
Module: rt2x00mmio
Abstract: Data structures for the rt2x00mmio module.
*/
#ifndef RT2X00MMIO_H
#define RT2X00MMIO_H
#include <linux/io.h>
/*
* Register access.
*/
static inline void rt2x00pci_register_read(struct rt2x00_dev *rt2x00dev,
const unsigned int offset,
u32 *value)
{
*value = readl(rt2x00dev->csr.base + offset);
}
static inline void rt2x00pci_register_multiread(struct rt2x00_dev *rt2x00dev,
const unsigned int offset,
void *value, const u32 length)
{
memcpy_fromio(value, rt2x00dev->csr.base + offset, length);
}
static inline void rt2x00pci_register_write(struct rt2x00_dev *rt2x00dev,
const unsigned int offset,
u32 value)
{
writel(value, rt2x00dev->csr.base + offset);
}
static inline void rt2x00pci_register_multiwrite(struct rt2x00_dev *rt2x00dev,
const unsigned int offset,
const void *value,
const u32 length)
{
__iowrite32_copy(rt2x00dev->csr.base + offset, value, length >> 2);
}
/**
* rt2x00pci_regbusy_read - Read from register with busy check
* @rt2x00dev: Device pointer, see &struct rt2x00_dev.
* @offset: Register offset
* @field: Field to check if register is busy
* @reg: Pointer to where register contents should be stored
*
* This function will read the given register, and checks if the
* register is busy. If it is, it will sleep for a couple of
* microseconds before reading the register again. If the register
* is not read after a certain timeout, this function will return
* FALSE.
*/
int rt2x00pci_regbusy_read(struct rt2x00_dev *rt2x00dev,
const unsigned int offset,
const struct rt2x00_field32 field,
u32 *reg);
/**
* struct queue_entry_priv_pci: Per entry PCI specific information
*
* @desc: Pointer to device descriptor
* @desc_dma: DMA pointer to &desc.
* @data: Pointer to device's entry memory.
* @data_dma: DMA pointer to &data.
*/
struct queue_entry_priv_pci {
__le32 *desc;
dma_addr_t desc_dma;
};
/**
* rt2x00pci_rxdone - Handle RX done events
* @rt2x00dev: Device pointer, see &struct rt2x00_dev.
*
* Returns true if there are still rx frames pending and false if all
* pending rx frames were processed.
*/
bool rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev);
/**
* rt2x00pci_flush_queue - Flush data queue
* @queue: Data queue to stop
* @drop: True to drop all pending frames.
*
* This will wait for a maximum of 100ms, waiting for the queues
* to become empty.
*/
void rt2x00pci_flush_queue(struct data_queue *queue, bool drop);
/*
* Device initialization handlers.
*/
int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev);
void rt2x00pci_uninitialize(struct rt2x00_dev *rt2x00dev);
#endif /* RT2X00MMIO_H */

176
drivers/net/wireless/rt2x00/rt2x00pci.c
View File

@@ -32,182 +32,6 @@
#include "rt2x00.h"
#include "rt2x00pci.h"
/*
* Register access.
*/
int rt2x00pci_regbusy_read(struct rt2x00_dev *rt2x00dev,
const unsigned int offset,
const struct rt2x00_field32 field,
u32 *reg)
{
unsigned int i;
if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
return 0;
for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
rt2x00pci_register_read(rt2x00dev, offset, reg);
if (!rt2x00_get_field32(*reg, field))
return 1;
udelay(REGISTER_BUSY_DELAY);
}
printk_once(KERN_ERR "%s() Indirect register access failed: "
"offset=0x%.08x, value=0x%.08x\n", __func__, offset, *reg);
*reg = ~0;
return 0;
}
EXPORT_SYMBOL_GPL(rt2x00pci_regbusy_read);
bool rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev)
{
struct data_queue *queue = rt2x00dev->rx;
struct queue_entry *entry;
struct queue_entry_priv_pci *entry_priv;
struct skb_frame_desc *skbdesc;
int max_rx = 16;
while (--max_rx) {
entry = rt2x00queue_get_entry(queue, Q_INDEX);
entry_priv = entry->priv_data;
if (rt2x00dev->ops->lib->get_entry_state(entry))
break;
/*
* Fill in desc fields of the skb descriptor
*/
skbdesc = get_skb_frame_desc(entry->skb);
skbdesc->desc = entry_priv->desc;
skbdesc->desc_len = entry->queue->desc_size;
/*
* DMA is already done, notify rt2x00lib that
* it finished successfully.
*/
rt2x00lib_dmastart(entry);
rt2x00lib_dmadone(entry);
/*
* Send the frame to rt2x00lib for further processing.
*/
rt2x00lib_rxdone(entry, GFP_ATOMIC);
}
return !max_rx;
}
EXPORT_SYMBOL_GPL(rt2x00pci_rxdone);
void rt2x00pci_flush_queue(struct data_queue *queue, bool drop)
{
unsigned int i;
for (i = 0; !rt2x00queue_empty(queue) && i < 10; i++)
msleep(10);
}
EXPORT_SYMBOL_GPL(rt2x00pci_flush_queue);
/*
* Device initialization handlers.
*/
static int rt2x00pci_alloc_queue_dma(struct rt2x00_dev *rt2x00dev,
struct data_queue *queue)
{
struct queue_entry_priv_pci *entry_priv;
void *addr;
dma_addr_t dma;
unsigned int i;
/*
* Allocate DMA memory for descriptor and buffer.
*/
addr = dma_alloc_coherent(rt2x00dev->dev,
queue->limit * queue->desc_size,
&dma, GFP_KERNEL);
if (!addr)
return -ENOMEM;
memset(addr, 0, queue->limit * queue->desc_size);
/*
* Initialize all queue entries to contain valid addresses.
*/
for (i = 0; i < queue->limit; i++) {
entry_priv = queue->entries[i].priv_data;
entry_priv->desc = addr + i * queue->desc_size;
entry_priv->desc_dma = dma + i * queue->desc_size;
}
return 0;
}
static void rt2x00pci_free_queue_dma(struct rt2x00_dev *rt2x00dev,
struct data_queue *queue)
{
struct queue_entry_priv_pci *entry_priv =
queue->entries[0].priv_data;
if (entry_priv->desc)
dma_free_coherent(rt2x00dev->dev,
queue->limit * queue->desc_size,
entry_priv->desc, entry_priv->desc_dma);
entry_priv->desc = NULL;
}
int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev)
{
struct data_queue *queue;
int status;
/*
* Allocate DMA
*/
queue_for_each(rt2x00dev, queue) {
status = rt2x00pci_alloc_queue_dma(rt2x00dev, queue);
if (status)
goto exit;
}
/*
* Register interrupt handler.
*/
status = request_irq(rt2x00dev->irq,
rt2x00dev->ops->lib->irq_handler,
IRQF_SHARED, rt2x00dev->name, rt2x00dev);
if (status) {
ERROR(rt2x00dev, "IRQ %d allocation failed (error %d).\n",
rt2x00dev->irq, status);
goto exit;
}
return 0;
exit:
queue_for_each(rt2x00dev, queue)
rt2x00pci_free_queue_dma(rt2x00dev, queue);
return status;
}
EXPORT_SYMBOL_GPL(rt2x00pci_initialize);
void rt2x00pci_uninitialize(struct rt2x00_dev *rt2x00dev)
{
struct data_queue *queue;
/*
* Free irq line.
*/
free_irq(rt2x00dev->irq, rt2x00dev);
/*
* Free DMA
*/
queue_for_each(rt2x00dev, queue)
rt2x00pci_free_queue_dma(rt2x00dev, queue);
}
EXPORT_SYMBOL_GPL(rt2x00pci_uninitialize);
/*
* PCI driver handlers.
*/

88
drivers/net/wireless/rt2x00/rt2x00pci.h
View File

@@ -35,94 +35,6 @@
*/
#define PCI_DEVICE_DATA(__ops) .driver_data = (kernel_ulong_t)(__ops)
/*
* Register access.
*/
static inline void rt2x00pci_register_read(struct rt2x00_dev *rt2x00dev,
const unsigned int offset,
u32 *value)
{
*value = readl(rt2x00dev->csr.base + offset);
}
static inline void rt2x00pci_register_multiread(struct rt2x00_dev *rt2x00dev,
const unsigned int offset,
void *value, const u32 length)
{
memcpy_fromio(value, rt2x00dev->csr.base + offset, length);
}
static inline void rt2x00pci_register_write(struct rt2x00_dev *rt2x00dev,
const unsigned int offset,
u32 value)
{
writel(value, rt2x00dev->csr.base + offset);
}
static inline void rt2x00pci_register_multiwrite(struct rt2x00_dev *rt2x00dev,
const unsigned int offset,
const void *value,
const u32 length)
{
__iowrite32_copy(rt2x00dev->csr.base + offset, value, length >> 2);
}
/**
* rt2x00pci_regbusy_read - Read from register with busy check
* @rt2x00dev: Device pointer, see &struct rt2x00_dev.
* @offset: Register offset
* @field: Field to check if register is busy
* @reg: Pointer to where register contents should be stored
*
* This function will read the given register, and checks if the
* register is busy. If it is, it will sleep for a couple of
* microseconds before reading the register again. If the register
* is not read after a certain timeout, this function will return
* FALSE.
*/
int rt2x00pci_regbusy_read(struct rt2x00_dev *rt2x00dev,
const unsigned int offset,
const struct rt2x00_field32 field,
u32 *reg);
/**
* struct queue_entry_priv_pci: Per entry PCI specific information
*
* @desc: Pointer to device descriptor
* @desc_dma: DMA pointer to &desc.
* @data: Pointer to device's entry memory.
* @data_dma: DMA pointer to &data.
*/
struct queue_entry_priv_pci {
__le32 *desc;
dma_addr_t desc_dma;
};
/**
* rt2x00pci_rxdone - Handle RX done events
* @rt2x00dev: Device pointer, see &struct rt2x00_dev.
*
* Returns true if there are still rx frames pending and false if all
* pending rx frames were processed.
*/
bool rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev);
/**
* rt2x00pci_flush_queue - Flush data queue
* @queue: Data queue to stop
* @drop: True to drop all pending frames.
*
* This will wait for a maximum of 100ms, waiting for the queues
* to become empty.
*/
void rt2x00pci_flush_queue(struct data_queue *queue, bool drop);
/*
* Device initialization handlers.
*/
int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev);
void rt2x00pci_uninitialize(struct rt2x00_dev *rt2x00dev);
/*
* PCI driver handlers.
*/

1
drivers/net/wireless/rt2x00/rt61pci.c
View File

@@ -35,6 +35,7 @@
#include <linux/eeprom_93cx6.h>
#include "rt2x00.h"
#include "rt2x00mmio.h"
#include "rt2x00pci.h"
#include "rt61pci.h"

38
drivers/nfc/microread/mei.c
View File

@@ -22,7 +22,7 @@
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/gpio.h>
#include <linux/mei_bus.h>
#include <linux/mei_cl_bus.h>
#include <linux/nfc.h>
#include <net/nfc/hci.h>
@@ -32,9 +32,6 @@
#define MICROREAD_DRIVER_NAME "microread"
#define MICROREAD_UUID UUID_LE(0x0bb17a78, 0x2a8e, 0x4c50, 0x94, \
0xd4, 0x50, 0x26, 0x67, 0x23, 0x77, 0x5c)
struct mei_nfc_hdr {
u8 cmd;
u8 status;
@@ -48,7 +45,7 @@ struct mei_nfc_hdr {
#define MEI_NFC_MAX_READ (MEI_NFC_HEADER_SIZE + MEI_NFC_MAX_HCI_PAYLOAD)
struct microread_mei_phy {
struct mei_device *mei_device;
struct mei_cl_device *device;
struct nfc_hci_dev *hdev;
int powered;
@@ -105,14 +102,14 @@ static int microread_mei_write(void *phy_id, struct sk_buff *skb)
MEI_DUMP_SKB_OUT("mei frame sent", skb);
r = mei_send(phy->device, skb->data, skb->len);
r = mei_cl_send(phy->device, skb->data, skb->len);
if (r > 0)
r = 0;
return r;
}
static void microread_event_cb(struct mei_device *device, u32 events,
static void microread_event_cb(struct mei_cl_device *device, u32 events,
void *context)
{
struct microread_mei_phy *phy = context;
@@ -120,7 +117,7 @@ static void microread_event_cb(struct mei_device *device, u32 events,
if (phy->hard_fault != 0)
return;
if (events & BIT(MEI_EVENT_RX)) {
if (events & BIT(MEI_CL_EVENT_RX)) {
struct sk_buff *skb;
int reply_size;
@@ -128,7 +125,7 @@ static void microread_event_cb(struct mei_device *device, u32 events,
if (!skb)
return;
reply_size = mei_recv(device, skb->data, MEI_NFC_MAX_READ);
reply_size = mei_cl_recv(device, skb->data, MEI_NFC_MAX_READ);
if (reply_size < MEI_NFC_HEADER_SIZE) {
kfree(skb);
return;
@@ -149,8 +146,8 @@ static struct nfc_phy_ops mei_phy_ops = {
.disable = microread_mei_disable,
};
static int microread_mei_probe(struct mei_device *device,
const struct mei_id *id)
static int microread_mei_probe(struct mei_cl_device *device,
const struct mei_cl_device_id *id)
{
struct microread_mei_phy *phy;
int r;
@@ -164,9 +161,9 @@ static int microread_mei_probe(struct mei_device *device,
}
phy->device = device;
mei_set_clientdata(device, phy);
mei_cl_set_drvdata(device, phy);
r = mei_register_event_cb(device, microread_event_cb, phy);
r = mei_cl_register_event_cb(device, microread_event_cb, phy);
if (r) {
pr_err(MICROREAD_DRIVER_NAME ": event cb registration failed\n");
goto err_out;
@@ -186,9 +183,9 @@ err_out:
return r;
}
static int microread_mei_remove(struct mei_device *device)
static int microread_mei_remove(struct mei_cl_device *device)
{
struct microread_mei_phy *phy = mei_get_clientdata(device);
struct microread_mei_phy *phy = mei_cl_get_drvdata(device);
pr_info("Removing microread\n");
@@ -202,16 +199,15 @@ static int microread_mei_remove(struct mei_device *device)
return 0;
}
static struct mei_id microread_mei_tbl[] = {
{ MICROREAD_DRIVER_NAME, MICROREAD_UUID },
static struct mei_cl_device_id microread_mei_tbl[] = {
{ MICROREAD_DRIVER_NAME },
/* required last entry */
{ }
};
MODULE_DEVICE_TABLE(mei, microread_mei_tbl);
static struct mei_driver microread_driver = {
static struct mei_cl_driver microread_driver = {
.id_table = microread_mei_tbl,
.name = MICROREAD_DRIVER_NAME,
@@ -225,7 +221,7 @@ static int microread_mei_init(void)
pr_debug(DRIVER_DESC ": %s\n", __func__);
r = mei_driver_register(&microread_driver);
r = mei_cl_driver_register(&microread_driver);
if (r) {
pr_err(MICROREAD_DRIVER_NAME ": driver registration failed\n");
return r;
@@ -236,7 +232,7 @@ static int microread_mei_init(void)
static void microread_mei_exit(void)
{
mei_driver_unregister(&microread_driver);
mei_cl_driver_unregister(&microread_driver);
}
module_init(microread_mei_init);