]> git.karo-electronics.de Git - karo-tx-linux.git/commitdiff
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
authorJohn W. Linville <linville@tuxdriver.com>
Mon, 8 Apr 2013 18:26:57 +0000 (14:26 -0400)
committerJohn W. Linville <linville@tuxdriver.com>
Mon, 8 Apr 2013 18:26:57 +0000 (14:26 -0400)
15 files changed:
drivers/net/wireless/ath/ath9k/main.c
drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
drivers/net/wireless/mwifiex/scan.c
drivers/net/wireless/rt2x00/Kconfig
drivers/net/wireless/rt2x00/Makefile
drivers/net/wireless/rt2x00/rt2400pci.c
drivers/net/wireless/rt2x00/rt2500pci.c
drivers/net/wireless/rt2x00/rt2800pci.c
drivers/net/wireless/rt2x00/rt2x00mmio.c [new file with mode: 0644]
drivers/net/wireless/rt2x00/rt2x00mmio.h [new file with mode: 0644]
drivers/net/wireless/rt2x00/rt2x00pci.c
drivers/net/wireless/rt2x00/rt2x00pci.h
drivers/net/wireless/rt2x00/rt61pci.c
net/wireless/sme.c

index 6e66f9c6782b966ac249b4bd31ecc25e6a9456b2..988372d218a4dd24015a1b19d104839fab8f0080 100644 (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;
        }
 
index 4469321c0eb3ea3924f68b02ff6863516ec9b333..35fc68be158d5b548e5c273ee85f7e3bf057a162 100644 (file)
@@ -3317,15 +3317,15 @@ 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)) {
index 2af9c0f0798d9e5cc2e484b0599a7d50aede68e5..ec46ffff54092b2a351720e214fb4d008c508947 100644 (file)
@@ -1891,8 +1891,10 @@ 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;
@@ -1916,8 +1918,9 @@ 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));
@@ -2013,7 +2016,7 @@ 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));
@@ -2118,8 +2121,7 @@ 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;
@@ -2128,16 +2130,13 @@ 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;
@@ -3824,8 +3823,9 @@ 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");
 
@@ -3833,16 +3833,21 @@ 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);
@@ -3855,7 +3860,6 @@ 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;
 }
 
index d215b4d3c51b57db90eee2293f6c153059fe037b..e7f6deaf715e5020c56685c1b8daf4d55ac9b945 100644 (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;
index 2bf4efa331867acaea139bb81dcca75a66532ef4..76cd47eb901e089bbf58669c8eb5fc7da6631a7a 100644 (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
@@ -185,6 +189,9 @@ endif
 config RT2800_LIB
        tristate
 
+config RT2X00_LIB_MMIO
+       tristate
+
 config RT2X00_LIB_PCI
        tristate
        select RT2X00_LIB
index 349d5b8284a4f6c64faaa58d6b750864c3a8252e..f069d8bc5b678332151d7a6fe337f44e29205d82 100644 (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
index 221beaaa83f12c59554302569639ca87f83765b5..dcfb54e0c516beb21faa4ae0b4409592b8455756 100644 (file)
@@ -34,6 +34,7 @@
 #include <linux/slab.h>
 
 #include "rt2x00.h"
+#include "rt2x00mmio.h"
 #include "rt2x00pci.h"
 #include "rt2400pci.h"
 
index 39edc59e8d038613a07b4dce764e0033be2501cf..e1d2dc9ed28a6801c727b484a6e596e346d45175 100644 (file)
@@ -34,6 +34,7 @@
 #include <linux/slab.h>
 
 #include "rt2x00.h"
+#include "rt2x00mmio.h"
 #include "rt2x00pci.h"
 #include "rt2500pci.h"
 
index ded73da4de0b0d52cd6331d837c8c68e86b87749..ba5a05625aaa70b5dcba84081a4bbea5a5970a9d 100644 (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"
diff --git a/drivers/net/wireless/rt2x00/rt2x00mmio.c b/drivers/net/wireless/rt2x00/rt2x00mmio.c
new file mode 100644 (file)
index 0000000..d84a680
--- /dev/null
@@ -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");
diff --git a/drivers/net/wireless/rt2x00/rt2x00mmio.h b/drivers/net/wireless/rt2x00/rt2x00mmio.h
new file mode 100644 (file)
index 0000000..4ecaf60
--- /dev/null
@@ -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 */
index a0c8caef3b0a8f3616a4dd4a71e6eebeb3b939ae..e87865e331139148c86a19b6efccf6efdaa329e2 100644 (file)
 #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);
-       }
-
-       ERROR(rt2x00dev, "Indirect register access failed: "
-             "offset=0x%.08x, value=0x%.08x\n", 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.
  */
index e2c99f2b9a1422f5e1dd1af1116f447f8b43c199..60d90b20f8b99216a8dd19b4926364be65725b28 100644 (file)
  */
 #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.
  */
index f95792cfcf8922e17222fec2feddc34f5117c308..9e3c8ff53e3fd9e0b4f723e96671eba005d75d62 100644 (file)
@@ -35,6 +35,7 @@
 #include <linux/eeprom_93cx6.h>
 
 #include "rt2x00.h"
+#include "rt2x00mmio.h"
 #include "rt2x00pci.h"
 #include "rt61pci.h"
 
index 09d994d192ffa1c78b963933daad73e4240dfe4b..482c70e7012727fe66e400872379e115b7a7caad 100644 (file)
@@ -224,6 +224,7 @@ void cfg80211_conn_work(struct work_struct *work)
        rtnl_lock();
        cfg80211_lock_rdev(rdev);
        mutex_lock(&rdev->devlist_mtx);
+       mutex_lock(&rdev->sched_scan_mtx);
 
        list_for_each_entry(wdev, &rdev->wdev_list, list) {
                wdev_lock(wdev);
@@ -248,6 +249,7 @@ void cfg80211_conn_work(struct work_struct *work)
                wdev_unlock(wdev);
        }
 
+       mutex_unlock(&rdev->sched_scan_mtx);
        mutex_unlock(&rdev->devlist_mtx);
        cfg80211_unlock_rdev(rdev);
        rtnl_unlock();