19 files changed, 283 insertions, 178 deletions

diff --git a/drivers/net/au1000_eth.c b/drivers/net/au1000_eth.c
index 1363083b4d83..14dbad14afb6 100644
--- a/drivers/net/au1000_eth.c
+++ b/drivers/net/au1000_eth.c
@@ -52,6 +52,7 @@
 #include <linux/mii.h>
 #include <linux/skbuff.h>
 #include <linux/delay.h>
+#include <linux/crc32.h>
 #include <asm/mipsregs.h>
 #include <asm/irq.h>
 #include <asm/io.h>
@@ -2070,23 +2071,6 @@ static void au1000_tx_timeout(struct net_device *dev)
         netif_wake_queue(dev);
 }
 
-
-static unsigned const ethernet_polynomial = 0x04c11db7U;
-static inline u32 ether_crc(int length, unsigned char *data)
-{
-    int crc = -1;
-
-    while(--length >= 0) {
-                unsigned char current_octet = *data++;
-                int bit;
-                for (bit = 0; bit < 8; bit++, current_octet >>= 1)
-                        crc = (crc << 1) ^
-                                ((crc < 0) ^ (current_octet & 1) ? 
-                                 ethernet_polynomial : 0);
-    }
-    return crc;
-}
-
 static void set_rx_mode(struct net_device *dev)
 {
         struct au1000_private *aup = (struct au1000_private *) dev->priv;
diff --git a/drivers/net/ne.c b/drivers/net/ne.c
index 93c494bcd18d..b32765215f75 100644
--- a/drivers/net/ne.c
+++ b/drivers/net/ne.c
@@ -139,8 +139,9 @@ bad_clone_list[] __initdata = {
 
 #if defined(CONFIG_PLAT_MAPPI)
 #  define DCR_VAL 0x4b
-#elif defined(CONFIG_PLAT_OAKS32R)
-#  define DCR_VAL 0x48
+#elif defined(CONFIG_PLAT_OAKS32R)  || \
+   defined(CONFIG_TOSHIBA_RBTX4927) || defined(CONFIG_TOSHIBA_RBTX4938)
+#  define DCR_VAL 0x48          /* 8-bit mode */
 #else
 #  define DCR_VAL 0x49
 #endif
@@ -396,10 +397,22 @@ static int __init ne_probe1(struct net_device *dev, int ioaddr)
                 /* We must set the 8390 for word mode. */
                 outb_p(DCR_VAL, ioaddr + EN0_DCFG);
                 start_page = NESM_START_PG;
-                stop_page = NESM_STOP_PG;
+
+                /*
+                 * Realtek RTL8019AS datasheet says that the PSTOP register
+                 * shouldn't exceed 0x60 in 8-bit mode.
+                 * This chip can be identified by reading the signature from
+                 * the  remote byte count registers (otherwise write-only)...
+                 */
+                if ((DCR_VAL & 0x01) == 0 &&            /* 8-bit mode */
+                    inb(ioaddr + EN0_RCNTLO) == 0x50 &&
+                    inb(ioaddr + EN0_RCNTHI) == 0x70)
+                        stop_page = 0x60;
+                else
+                        stop_page = NESM_STOP_PG;
         } else {
                 start_page = NE1SM_START_PG;
-                stop_page = NE1SM_STOP_PG;
+                stop_page  = NE1SM_STOP_PG;
         }
 
 #if  defined(CONFIG_PLAT_MAPPI) || defined(CONFIG_PLAT_OAKS32R)
@@ -509,15 +522,9 @@ static int __init ne_probe1(struct net_device *dev, int ioaddr)
         ei_status.name = name;
         ei_status.tx_start_page = start_page;
         ei_status.stop_page = stop_page;
-#if defined(CONFIG_TOSHIBA_RBTX4927) || defined(CONFIG_TOSHIBA_RBTX4938)
-        wordlength = 1;
-#endif
 
-#ifdef CONFIG_PLAT_OAKS32R
-        ei_status.word16 = 0;
-#else
-        ei_status.word16 = (wordlength == 2);
-#endif
+        /* Use 16-bit mode only if this wasn't overridden by DCR_VAL */
+        ei_status.word16 = (wordlength == 2 && (DCR_VAL & 0x01));
 
         ei_status.rx_start_page = start_page + TX_PAGES;
 #ifdef PACKETBUF_MEMSIZE
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 227df9876a2c..60cdfcabe1fd 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -51,7 +51,7 @@
 #include "sky2.h"
 
 #define DRV_NAME                "sky2"
-#define DRV_VERSION             "1.2"
+#define DRV_VERSION             "1.3"
 #define PFX                     DRV_NAME " "
 
 /*
@@ -79,6 +79,8 @@
 #define NAPI_WEIGHT             64
 #define PHY_RETRIES             1000
 
+#define RING_NEXT(x,s)  (((x)+1) & ((s)-1))
+
 static const u32 default_msg =
     NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK
     | NETIF_MSG_TIMER | NETIF_MSG_TX_ERR | NETIF_MSG_RX_ERR
@@ -96,6 +98,10 @@ static int disable_msi = 0;
 module_param(disable_msi, int, 0);
 MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
 
+static int idle_timeout = 100;
+module_param(idle_timeout, int, 0);
+MODULE_PARM_DESC(idle_timeout, "Idle timeout workaround for lost interrupts (ms)");
+
 static const struct pci_device_id sky2_id_table[] = {
         { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9000) },
         { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9E00) },
@@ -298,7 +304,8 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
         struct sky2_port *sky2 = netdev_priv(hw->dev[port]);
         u16 ctrl, ct1000, adv, pg, ledctrl, ledover;
 
-        if (sky2->autoneg == AUTONEG_ENABLE && hw->chip_id != CHIP_ID_YUKON_XL) {
+        if (sky2->autoneg == AUTONEG_ENABLE &&
+            (hw->chip_id != CHIP_ID_YUKON_XL || hw->chip_id == CHIP_ID_YUKON_EC_U)) {
                 u16 ectrl = gm_phy_read(hw, port, PHY_MARV_EXT_CTRL);
 
                 ectrl &= ~(PHY_M_EC_M_DSC_MSK | PHY_M_EC_S_DSC_MSK |
@@ -326,7 +333,7 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
                         ctrl |= PHY_M_PC_MDI_XMODE(PHY_M_PC_ENA_AUTO);
 
                         if (sky2->autoneg == AUTONEG_ENABLE &&
-                            hw->chip_id == CHIP_ID_YUKON_XL) {
+                            (hw->chip_id == CHIP_ID_YUKON_XL || hw->chip_id == CHIP_ID_YUKON_EC_U)) {
                                 ctrl &= ~PHY_M_PC_DSC_MSK;
                                 ctrl |= PHY_M_PC_DSC(2) | PHY_M_PC_DOWN_S_ENA;
                         }
@@ -442,10 +449,11 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
                 gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3);
 
                 /* set LED Function Control register */
-                gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, (PHY_M_LEDC_LOS_CTRL(1) |     /* LINK/ACT */
-                                                           PHY_M_LEDC_INIT_CTRL(7) |    /* 10 Mbps */
-                                                           PHY_M_LEDC_STA1_CTRL(7) |    /* 100 Mbps */
-                                                           PHY_M_LEDC_STA0_CTRL(7)));   /* 1000 Mbps */
+                gm_phy_write(hw, port, PHY_MARV_PHY_CTRL,
+                             (PHY_M_LEDC_LOS_CTRL(1) |  /* LINK/ACT */
+                              PHY_M_LEDC_INIT_CTRL(7) | /* 10 Mbps */
+                              PHY_M_LEDC_STA1_CTRL(7) | /* 100 Mbps */
+                              PHY_M_LEDC_STA0_CTRL(7)));        /* 1000 Mbps */
 
                 /* set Polarity Control register */
                 gm_phy_write(hw, port, PHY_MARV_PHY_STAT,
@@ -459,6 +467,25 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
                 /* restore page register */
                 gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg);
                 break;
+        case CHIP_ID_YUKON_EC_U:
+                pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR);
+
+                /* select page 3 to access LED control register */
+                gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3);
+
+                /* set LED Function Control register */
+                gm_phy_write(hw, port, PHY_MARV_PHY_CTRL,
+                             (PHY_M_LEDC_LOS_CTRL(1) |  /* LINK/ACT */
+                              PHY_M_LEDC_INIT_CTRL(8) | /* 10 Mbps */
+                              PHY_M_LEDC_STA1_CTRL(7) | /* 100 Mbps */
+                              PHY_M_LEDC_STA0_CTRL(7)));/* 1000 Mbps */
+
+                /* set Blink Rate in LED Timer Control Register */
+                gm_phy_write(hw, port, PHY_MARV_INT_MASK,
+                             ledctrl | PHY_M_LED_BLINK_RT(BLINK_84MS));
+                /* restore page register */
+                gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg);
+                break;
 
         default:
                 /* set Tx LED (LED_TX) to blink mode on Rx OR Tx activity */
@@ -467,19 +494,21 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
                 ledover |= PHY_M_LED_MO_RX(MO_LED_OFF);
         }
 
-        if (hw->chip_id == CHIP_ID_YUKON_EC_U && hw->chip_rev >= 2) {
+        if (hw->chip_id == CHIP_ID_YUKON_EC_U && hw->chip_rev == CHIP_REV_YU_EC_A1) {
                 /* apply fixes in PHY AFE */
-                gm_phy_write(hw, port, 22, 255);
+                pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR);
+                gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 255);
+
                 /* increase differential signal amplitude in 10BASE-T */
-                gm_phy_write(hw, port, 24, 0xaa99);
-                gm_phy_write(hw, port, 23, 0x2011);
+                gm_phy_write(hw, port, 0x18, 0xaa99);
+                gm_phy_write(hw, port, 0x17, 0x2011);
 
                 /* fix for IEEE A/B Symmetry failure in 1000BASE-T */
-                gm_phy_write(hw, port, 24, 0xa204);
-                gm_phy_write(hw, port, 23, 0x2002);
+                gm_phy_write(hw, port, 0x18, 0xa204);
+                gm_phy_write(hw, port, 0x17, 0x2002);
 
                 /* set page register to 0 */
-                gm_phy_write(hw, port, 22, 0);
+                gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg);
         } else {
                 gm_phy_write(hw, port, PHY_MARV_LED_CTRL, ledctrl);
 
@@ -553,6 +582,11 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned port)
 
                 if (sky2->duplex == DUPLEX_FULL)
                         reg |= GM_GPCR_DUP_FULL;
+
+                /* turn off pause in 10/100mbps half duplex */
+                else if (sky2->speed != SPEED_1000 &&
+                         hw->chip_id != CHIP_ID_YUKON_EC_U)
+                        sky2->tx_pause = sky2->rx_pause = 0;
         } else
                 reg = GM_GPCR_SPEED_1000 | GM_GPCR_SPEED_100 | GM_GPCR_DUP_FULL;
 
@@ -719,7 +753,7 @@ static inline struct sky2_tx_le *get_tx_le(struct sky2_port *sky2)
 {
         struct sky2_tx_le *le = sky2->tx_le + sky2->tx_prod;
 
-        sky2->tx_prod = (sky2->tx_prod + 1) % TX_RING_SIZE;
+        sky2->tx_prod = RING_NEXT(sky2->tx_prod, TX_RING_SIZE);
         return le;
 }
 
@@ -735,7 +769,7 @@ static inline void sky2_put_idx(struct sky2_hw *hw, unsigned q, u16 idx)
 static inline struct sky2_rx_le *sky2_next_rx(struct sky2_port *sky2)
 {
         struct sky2_rx_le *le = sky2->rx_le + sky2->rx_put;
-        sky2->rx_put = (sky2->rx_put + 1) % RX_LE_SIZE;
+        sky2->rx_put = RING_NEXT(sky2->rx_put, RX_LE_SIZE);
         return le;
 }
 
@@ -1078,7 +1112,7 @@ err_out:
 /* Modular subtraction in ring */
 static inline int tx_dist(unsigned tail, unsigned head)
 {
-        return (head - tail) % TX_RING_SIZE;
+        return (head - tail) & (TX_RING_SIZE - 1);
 }
 
 /* Number of list elements available for next tx */
@@ -1255,7 +1289,7 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev)
                 le->opcode = OP_BUFFER | HW_OWNER;
 
                 fre = sky2->tx_ring
-                    + ((re - sky2->tx_ring) + i + 1) % TX_RING_SIZE;
+                    + RING_NEXT((re - sky2->tx_ring) + i, TX_RING_SIZE);
                 pci_unmap_addr_set(fre, mapaddr, mapping);
         }
 
@@ -1315,7 +1349,7 @@ static void sky2_tx_complete(struct sky2_port *sky2, u16 done)
 
                 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
                         struct tx_ring_info *fre;
-                        fre = sky2->tx_ring + (put + i + 1) % TX_RING_SIZE;
+                        fre = sky2->tx_ring + RING_NEXT(put + i, TX_RING_SIZE);
                         pci_unmap_page(pdev, pci_unmap_addr(fre, mapaddr),
                                        skb_shinfo(skb)->frags[i].size,
                                        PCI_DMA_TODEVICE);
@@ -1498,17 +1532,26 @@ static void sky2_link_up(struct sky2_port *sky2)
         sky2_write8(hw, SK_REG(port, LNK_LED_REG),
                     LINKLED_ON | LINKLED_BLINK_OFF | LINKLED_LINKSYNC_OFF);
 
-        if (hw->chip_id == CHIP_ID_YUKON_XL) {
+        if (hw->chip_id == CHIP_ID_YUKON_XL || hw->chip_id == CHIP_ID_YUKON_EC_U) {
                 u16 pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR);
+                u16 led = PHY_M_LEDC_LOS_CTRL(1);       /* link active */
+
+                switch(sky2->speed) {
+                case SPEED_10:
+                        led |= PHY_M_LEDC_INIT_CTRL(7);
+                        break;
+
+                case SPEED_100:
+                        led |= PHY_M_LEDC_STA1_CTRL(7);
+                        break;
+
+                case SPEED_1000:
+                        led |= PHY_M_LEDC_STA0_CTRL(7);
+                        break;
+                }
 
                 gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3);
-                gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, PHY_M_LEDC_LOS_CTRL(1) |      /* LINK/ACT */
-                             PHY_M_LEDC_INIT_CTRL(sky2->speed ==
-                                                  SPEED_10 ? 7 : 0) |
-                             PHY_M_LEDC_STA1_CTRL(sky2->speed ==
-                                                  SPEED_100 ? 7 : 0) |
-                             PHY_M_LEDC_STA0_CTRL(sky2->speed ==
-                                                  SPEED_1000 ? 7 : 0));
+                gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, led);
                 gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg);
         }
 
@@ -1583,7 +1626,7 @@ static int sky2_autoneg_done(struct sky2_port *sky2, u16 aux)
         sky2->speed = sky2_phy_speed(hw, aux);
 
         /* Pause bits are offset (9..8) */
-        if (hw->chip_id == CHIP_ID_YUKON_XL)
+        if (hw->chip_id == CHIP_ID_YUKON_XL || hw->chip_id == CHIP_ID_YUKON_EC_U)
                 aux >>= 6;
 
         sky2->rx_pause = (aux & PHY_M_PS_RX_P_EN) != 0;
@@ -1859,35 +1902,28 @@ static inline void sky2_tx_done(struct net_device *dev, u16 last)
 static int sky2_status_intr(struct sky2_hw *hw, int to_do)
 {
         int work_done = 0;
+        u16 hwidx = sky2_read16(hw, STAT_PUT_IDX);
 
         rmb();
 
-        for(;;) {
+        while (hw->st_idx != hwidx) {
                 struct sky2_status_le *le  = hw->st_le + hw->st_idx;
                 struct net_device *dev;
                 struct sky2_port *sky2;
                 struct sk_buff *skb;
                 u32 status;
                 u16 length;
-                u8  link, opcode;
 
-                opcode = le->opcode;
-                if (!opcode)
-                        break;
-                opcode &= ~HW_OWNER;
-
-                hw->st_idx = (hw->st_idx + 1) % STATUS_RING_SIZE;
-                le->opcode = 0;
+                hw->st_idx = RING_NEXT(hw->st_idx, STATUS_RING_SIZE);
 
-                link = le->link;
-                BUG_ON(link >= 2);
-                dev = hw->dev[link];
+                BUG_ON(le->link >= 2);
+                dev = hw->dev[le->link];
 
                 sky2 = netdev_priv(dev);
                 length = le->length;
                 status = le->status;
 
-                switch (opcode) {
+                switch (le->opcode & ~HW_OWNER) {
                 case OP_RXSTAT:
                         skb = sky2_receive(sky2, length, status);
                         if (!skb)
@@ -1927,7 +1963,8 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do)
 
                 case OP_TXINDEXLE:
                         /* TX index reports status for both ports */
-                        sky2_tx_done(hw->dev[0], status & 0xffff);
+                        BUILD_BUG_ON(TX_RING_SIZE > 0x1000);
+                        sky2_tx_done(hw->dev[0], status & 0xfff);
                         if (hw->dev[1])
                                 sky2_tx_done(hw->dev[1],
                                      ((status >> 24) & 0xff)
@@ -1937,8 +1974,8 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do)
                 default:
                         if (net_ratelimit())
                                 printk(KERN_WARNING PFX
-                                       "unknown status opcode 0x%x\n", opcode);
-                        break;
+                                       "unknown status opcode 0x%x\n", le->opcode);
+                        goto exit_loop;
                 }
         }
 
@@ -2089,12 +2126,13 @@ static void sky2_descriptor_error(struct sky2_hw *hw, unsigned port,
  */
 static void sky2_idle(unsigned long arg)
 {
-        struct net_device *dev = (struct net_device *) arg;
+        struct sky2_hw *hw = (struct sky2_hw *) arg;
+        struct net_device *dev = hw->dev[0];
 
-        local_irq_disable();
         if (__netif_rx_schedule_prep(dev))
                 __netif_rx_schedule(dev);
-        local_irq_enable();
+
+        mod_timer(&hw->idle_timer, jiffies + msecs_to_jiffies(idle_timeout));
 }
 
 
@@ -2105,65 +2143,46 @@ static int sky2_poll(struct net_device *dev0, int *budget)
         int work_done = 0;
         u32 status = sky2_read32(hw, B0_Y2_SP_EISR);
 
- restart_poll:
-        if (unlikely(status & ~Y2_IS_STAT_BMU)) {
-                if (status & Y2_IS_HW_ERR)
-                        sky2_hw_intr(hw);
-
-                if (status & Y2_IS_IRQ_PHY1)
-                        sky2_phy_intr(hw, 0);
-
-                if (status & Y2_IS_IRQ_PHY2)
-                        sky2_phy_intr(hw, 1);
+        if (status & Y2_IS_HW_ERR)
+                sky2_hw_intr(hw);
 
-                if (status & Y2_IS_IRQ_MAC1)
-                        sky2_mac_intr(hw, 0);
+        if (status & Y2_IS_IRQ_PHY1)
+                sky2_phy_intr(hw, 0);
 
-                if (status & Y2_IS_IRQ_MAC2)
-                        sky2_mac_intr(hw, 1);
+        if (status & Y2_IS_IRQ_PHY2)
+                sky2_phy_intr(hw, 1);
 
-                if (status & Y2_IS_CHK_RX1)
-                        sky2_descriptor_error(hw, 0, "receive", Y2_IS_CHK_RX1);
+        if (status & Y2_IS_IRQ_MAC1)
+                sky2_mac_intr(hw, 0);
 
-                if (status & Y2_IS_CHK_RX2)
-                        sky2_descriptor_error(hw, 1, "receive", Y2_IS_CHK_RX2);
+        if (status & Y2_IS_IRQ_MAC2)
+                sky2_mac_intr(hw, 1);
 
-                if (status & Y2_IS_CHK_TXA1)
-                        sky2_descriptor_error(hw, 0, "transmit", Y2_IS_CHK_TXA1);
+        if (status & Y2_IS_CHK_RX1)
+                sky2_descriptor_error(hw, 0, "receive", Y2_IS_CHK_RX1);
 
-                if (status & Y2_IS_CHK_TXA2)
-                        sky2_descriptor_error(hw, 1, "transmit", Y2_IS_CHK_TXA2);
-        }
+        if (status & Y2_IS_CHK_RX2)
+                sky2_descriptor_error(hw, 1, "receive", Y2_IS_CHK_RX2);
 
-        if (status & Y2_IS_STAT_BMU) {
-                work_done += sky2_status_intr(hw, work_limit - work_done);
-                *budget -= work_done;
-                dev0->quota -= work_done;
+        if (status & Y2_IS_CHK_TXA1)
+                sky2_descriptor_error(hw, 0, "transmit", Y2_IS_CHK_TXA1);
 
-                if (work_done >= work_limit)
-                        return 1;
+        if (status & Y2_IS_CHK_TXA2)
+                sky2_descriptor_error(hw, 1, "transmit", Y2_IS_CHK_TXA2);
 
+        if (status & Y2_IS_STAT_BMU)
                 sky2_write32(hw, STAT_CTRL, SC_STAT_CLR_IRQ);
-        }
-
-        mod_timer(&hw->idle_timer, jiffies + HZ);
 
-        local_irq_disable();
-        __netif_rx_complete(dev0);
+        work_done = sky2_status_intr(hw, work_limit);
+        *budget -= work_done;
+        dev0->quota -= work_done;
 
-        status = sky2_read32(hw, B0_Y2_SP_LISR);
+        if (work_done >= work_limit)
+                return 1;
 
-        if (unlikely(status)) {
-                /* More work pending, try and keep going */
-                if (__netif_rx_schedule_prep(dev0)) {
-                        __netif_rx_reschedule(dev0, work_done);
-                        status = sky2_read32(hw, B0_Y2_SP_EISR);
-                        local_irq_enable();
-                        goto restart_poll;
-                }
-        }
+        netif_rx_complete(dev0);
 
-        local_irq_enable();
+        status = sky2_read32(hw, B0_Y2_SP_LISR);
         return 0;
 }
 
@@ -2244,13 +2263,6 @@ static int __devinit sky2_reset(struct sky2_hw *hw)
                 return -EOPNOTSUPP;
         }
 
-        /* This chip is new and not tested yet */
-        if (hw->chip_id == CHIP_ID_YUKON_EC_U) {
-                pr_info(PFX "%s: is a version of Yukon 2 chipset that has not been tested yet.\n",
-                        pci_name(hw->pdev));
-                pr_info("Please report success/failure to maintainer <shemminger@osdl.org>\n");
-        }
-
         /* disable ASF */
         if (hw->chip_id <= CHIP_ID_YUKON_EC) {
                 sky2_write8(hw, B28_Y2_ASF_STAT_CMD, Y2_ASF_RESET);
@@ -3302,7 +3314,10 @@ static int __devinit sky2_probe(struct pci_dev *pdev,
 
         sky2_write32(hw, B0_IMSK, Y2_IS_BASE);
 
-        setup_timer(&hw->idle_timer, sky2_idle, (unsigned long) dev);
+        setup_timer(&hw->idle_timer, sky2_idle, (unsigned long) hw);
+        if (idle_timeout > 0)
+                mod_timer(&hw->idle_timer,
+                          jiffies + msecs_to_jiffies(idle_timeout));
 
         pci_set_drvdata(pdev, hw);
 
@@ -3342,6 +3357,8 @@ static void __devexit sky2_remove(struct pci_dev *pdev)
         del_timer_sync(&hw->idle_timer);
 
         sky2_write32(hw, B0_IMSK, 0);
+        synchronize_irq(hw->pdev->irq);
+
         dev0 = hw->dev[0];
         dev1 = hw->dev[1];
         if (dev1)
diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h
index b026f5653f04..8012994c9b93 100644
--- a/drivers/net/sky2.h
+++ b/drivers/net/sky2.h
@@ -378,6 +378,9 @@ enum {
         CHIP_REV_YU_EC_A1    = 0,  /* Chip Rev. for Yukon-EC A1/A0 */
         CHIP_REV_YU_EC_A2    = 1,  /* Chip Rev. for Yukon-EC A2 */
         CHIP_REV_YU_EC_A3    = 2,  /* Chip Rev. for Yukon-EC A3 */
+
+        CHIP_REV_YU_EC_U_A0  = 0,
+        CHIP_REV_YU_EC_U_A1  = 1,
 };
 
 /*      B2_Y2_CLK_GATE   8 bit  Clock Gating (Yukon-2 only) */
diff --git a/drivers/net/spider_net.c b/drivers/net/spider_net.c
index 43f5e86fc559..394339d5e87c 100644
--- a/drivers/net/spider_net.c
+++ b/drivers/net/spider_net.c
@@ -1652,6 +1652,8 @@ spider_net_enable_card(struct spider_net_card *card)
                 { SPIDER_NET_GFTRESTRT, SPIDER_NET_RESTART_VALUE },
 
                 { SPIDER_NET_GMRWOLCTRL, 0 },
+                { SPIDER_NET_GTESTMD, 0x10000000 },
+                { SPIDER_NET_GTTQMSK, 0x00400040 },
                 { SPIDER_NET_GTESTMD, 0 },
 
                 { SPIDER_NET_GMACINTEN, 0 },
@@ -1792,15 +1794,7 @@ spider_net_setup_phy(struct spider_net_card *card)
         if (phy->def->ops->setup_forced)
                 phy->def->ops->setup_forced(phy, SPEED_1000, DUPLEX_FULL);
 
-        /* the following two writes could be moved to sungem_phy.c */
-        /* enable fiber mode */
-        spider_net_write_phy(card->netdev, 1, MII_NCONFIG, 0x9020);
-        /* LEDs active in both modes, autosense prio = fiber */
-        spider_net_write_phy(card->netdev, 1, MII_NCONFIG, 0x945f);
-
-        /* switch off fibre autoneg */
-        spider_net_write_phy(card->netdev, 1, MII_NCONFIG, 0xfc01);
-        spider_net_write_phy(card->netdev, 1, 0x0b, 0x0004);
+        phy->def->ops->enable_fiber(phy);
 
         phy->def->ops->read_link(phy);
         pr_info("Found %s with %i Mbps, %s-duplex.\n", phy->def->name,
diff --git a/drivers/net/spider_net.h b/drivers/net/spider_net.h
index 5922b529a048..3b8d951cf73c 100644
--- a/drivers/net/spider_net.h
+++ b/drivers/net/spider_net.h
@@ -120,6 +120,8 @@ extern char spider_net_driver_name[];
 #define SPIDER_NET_GMRUAFILnR           0x00000500
 #define SPIDER_NET_GMRUA0FIL15R         0x00000578
 
+#define SPIDER_NET_GTTQMSK              0x00000934
+
 /* RX DMA controller registers, all 0x00000a.. are for DMA controller A,
  * 0x00000b.. for DMA controller B, etc. */
 #define SPIDER_NET_GDADCHA              0x00000a00
diff --git a/drivers/net/sungem_phy.c b/drivers/net/sungem_phy.c
index 046371ee5bbe..b2ddd5e79303 100644
--- a/drivers/net/sungem_phy.c
+++ b/drivers/net/sungem_phy.c
@@ -329,6 +329,30 @@ static int bcm5421_init(struct mii_phy* phy)
         return 0;
 }
 
+static int bcm5421_enable_fiber(struct mii_phy* phy)
+{
+        /* enable fiber mode */
+        phy_write(phy, MII_NCONFIG, 0x9020);
+        /* LEDs active in both modes, autosense prio = fiber */
+        phy_write(phy, MII_NCONFIG, 0x945f);
+
+        /* switch off fibre autoneg */
+        phy_write(phy, MII_NCONFIG, 0xfc01);
+        phy_write(phy, 0x0b, 0x0004);
+
+        return 0;
+}
+
+static int bcm5461_enable_fiber(struct mii_phy* phy)
+{
+        phy_write(phy, MII_NCONFIG, 0xfc0c);
+        phy_write(phy, MII_BMCR, 0x4140);
+        phy_write(phy, MII_NCONFIG, 0xfc0b);
+        phy_write(phy, MII_BMCR, 0x0140);
+
+        return 0;
+}
+
 static int bcm54xx_setup_aneg(struct mii_phy *phy, u32 advertise)
 {
         u16 ctl, adv;
@@ -762,6 +786,7 @@ static struct mii_phy_ops bcm5421_phy_ops = {
         .setup_forced   = bcm54xx_setup_forced,
         .poll_link      = genmii_poll_link,
         .read_link      = bcm54xx_read_link,
+        .enable_fiber   = bcm5421_enable_fiber,
 };
 
 static struct mii_phy_def bcm5421_phy_def = {
@@ -792,6 +817,25 @@ static struct mii_phy_def bcm5421k2_phy_def = {
         .ops            = &bcm5421k2_phy_ops
 };
 
+static struct mii_phy_ops bcm5461_phy_ops = {
+        .init           = bcm5421_init,
+        .suspend        = generic_suspend,
+        .setup_aneg     = bcm54xx_setup_aneg,
+        .setup_forced   = bcm54xx_setup_forced,
+        .poll_link      = genmii_poll_link,
+        .read_link      = bcm54xx_read_link,
+        .enable_fiber   = bcm5461_enable_fiber,
+};
+
+static struct mii_phy_def bcm5461_phy_def = {
+        .phy_id         = 0x002060c0,
+        .phy_id_mask    = 0xfffffff0,
+        .name           = "BCM5461",
+        .features       = MII_GBIT_FEATURES,
+        .magic_aneg     = 1,
+        .ops            = &bcm5461_phy_ops
+};
+
 /* Broadcom BCM 5462 built-in Vesta */
 static struct mii_phy_ops bcm5462V_phy_ops = {
         .init           = bcm5421_init,
@@ -857,6 +901,7 @@ static struct mii_phy_def* mii_phy_table[] = {
         &bcm5411_phy_def,
         &bcm5421_phy_def,
         &bcm5421k2_phy_def,
+        &bcm5461_phy_def,
         &bcm5462V_phy_def,
         &marvell_phy_def,
         &genmii_phy_def,
diff --git a/drivers/net/sungem_phy.h b/drivers/net/sungem_phy.h
index 430544496c52..69e125197fcf 100644
--- a/drivers/net/sungem_phy.h
+++ b/drivers/net/sungem_phy.h
@@ -12,6 +12,7 @@ struct mii_phy_ops
         int             (*setup_forced)(struct mii_phy *phy, int speed, int fd);
         int             (*poll_link)(struct mii_phy *phy);
         int             (*read_link)(struct mii_phy *phy);
+        int             (*enable_fiber)(struct mii_phy *phy);
 };
 
 /* Structure used to statically define an mii/gii based PHY */
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.c b/drivers/net/wireless/bcm43xx/bcm43xx_main.c
index 9a06e61df0a2..e2982a83ae42 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_main.c
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_main.c
@@ -939,9 +939,9 @@ static int bcm43xx_sprom_extract(struct bcm43xx_private *bcm)
         return 0;
 }
 
-static void bcm43xx_geo_init(struct bcm43xx_private *bcm)
+static int bcm43xx_geo_init(struct bcm43xx_private *bcm)
 {
-        struct ieee80211_geo geo;
+        struct ieee80211_geo *geo;
         struct ieee80211_channel *chan;
         int have_a = 0, have_bg = 0;
         int i;
@@ -949,7 +949,10 @@ static void bcm43xx_geo_init(struct bcm43xx_private *bcm)
         struct bcm43xx_phyinfo *phy;
         const char *iso_country;
 
-        memset(&geo, 0, sizeof(geo));
+        geo = kzalloc(sizeof(*geo), GFP_KERNEL);
+        if (!geo)
+                return -ENOMEM;
+
         for (i = 0; i < bcm->nr_80211_available; i++) {
                 phy = &(bcm->core_80211_ext[i].phy);
                 switch (phy->type) {
@@ -967,31 +970,36 @@ static void bcm43xx_geo_init(struct bcm43xx_private *bcm)
         iso_country = bcm43xx_locale_iso(bcm->sprom.locale);
 
         if (have_a) {
-                for (i = 0, channel = 0; channel < 201; channel++) {
-                        chan = &geo.a[i++];
+                for (i = 0, channel = IEEE80211_52GHZ_MIN_CHANNEL;
+                      channel <= IEEE80211_52GHZ_MAX_CHANNEL; channel++) {
+                        chan = &geo->a[i++];
                         chan->freq = bcm43xx_channel_to_freq_a(channel);
                         chan->channel = channel;
                 }
-                geo.a_channels = i;
+                geo->a_channels = i;
         }
         if (have_bg) {
-                for (i = 0, channel = 1; channel < 15; channel++) {
-                        chan = &geo.bg[i++];
+                for (i = 0, channel = IEEE80211_24GHZ_MIN_CHANNEL;
+                      channel <= IEEE80211_24GHZ_MAX_CHANNEL; channel++) {
+                        chan = &geo->bg[i++];
                         chan->freq = bcm43xx_channel_to_freq_bg(channel);
                         chan->channel = channel;
                 }
-                geo.bg_channels = i;
+                geo->bg_channels = i;
         }
-        memcpy(geo.name, iso_country, 2);
+        memcpy(geo->name, iso_country, 2);
         if (0 /*TODO: Outdoor use only */)
-                geo.name[2] = 'O';
+                geo->name[2] = 'O';
         else if (0 /*TODO: Indoor use only */)
-                geo.name[2] = 'I';
+                geo->name[2] = 'I';
         else
-                geo.name[2] = ' ';
-        geo.name[3] = '\0';
+                geo->name[2] = ' ';
+        geo->name[3] = '\0';
+
+        ieee80211_set_geo(bcm->ieee, geo);
+        kfree(geo);
 
-        ieee80211_set_geo(bcm->ieee, &geo);
+        return 0;
 }
 
 /* DummyTransmission function, as documented on 
@@ -3479,16 +3487,17 @@ static int bcm43xx_attach_board(struct bcm43xx_private *bcm)
                         goto err_80211_unwind;
                 bcm43xx_wireless_core_disable(bcm);
         }
+        err = bcm43xx_geo_init(bcm);
+        if (err)
+                goto err_80211_unwind;
         bcm43xx_pctl_set_crystal(bcm, 0);
 
         /* Set the MAC address in the networking subsystem */
-        if (bcm43xx_current_phy(bcm)->type == BCM43xx_PHYTYPE_A)
+        if (is_valid_ether_addr(bcm->sprom.et1macaddr))
                 memcpy(bcm->net_dev->dev_addr, bcm->sprom.et1macaddr, 6);
         else
                 memcpy(bcm->net_dev->dev_addr, bcm->sprom.il0macaddr, 6);
 
-        bcm43xx_geo_init(bcm);
-
         snprintf(bcm->nick, IW_ESSID_MAX_SIZE,
                  "Broadcom %04X", bcm->chip_id);
 
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.h b/drivers/net/wireless/bcm43xx/bcm43xx_main.h
index eca79a38594a..30a202b258b5 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_main.h
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_main.h
@@ -118,12 +118,14 @@ int bcm43xx_channel_to_freq(struct bcm43xx_private *bcm,
 static inline
 int bcm43xx_is_valid_channel_a(u8 channel)
 {
-        return (channel <= 200);
+        return (channel >= IEEE80211_52GHZ_MIN_CHANNEL
+               && channel <= IEEE80211_52GHZ_MAX_CHANNEL);
 }
 static inline
 int bcm43xx_is_valid_channel_bg(u8 channel)
 {
-        return (channel >= 1 && channel <= 14);
+        return (channel >= IEEE80211_24GHZ_MIN_CHANNEL
+               && channel <= IEEE80211_24GHZ_MAX_CHANNEL);
 }
 static inline
 int bcm43xx_is_valid_channel(struct bcm43xx_private *bcm,
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_phy.c b/drivers/net/wireless/bcm43xx/bcm43xx_phy.c
index 33137165727f..b0abac515530 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_phy.c
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_phy.c
@@ -1287,7 +1287,7 @@ static void bcm43xx_phy_initg(struct bcm43xx_private *bcm)
         if (radio->revision == 8)
                 bcm43xx_phy_write(bcm, 0x0805, 0x3230);
         bcm43xx_phy_init_pctl(bcm);
-        if (bcm->chip_id == 0x4306 && bcm->chip_package != 2) {
+        if (bcm->chip_id == 0x4306 && bcm->chip_package == 2) {
                 bcm43xx_phy_write(bcm, 0x0429,
                                   bcm43xx_phy_read(bcm, 0x0429) & 0xBFFF);
                 bcm43xx_phy_write(bcm, 0x04C3,
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_wx.c b/drivers/net/wireless/bcm43xx/bcm43xx_wx.c
index 3edbb481a0a0..b45063974ae9 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_wx.c
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_wx.c
@@ -182,8 +182,11 @@ static int bcm43xx_wx_set_mode(struct net_device *net_dev,
                 mode = BCM43xx_INITIAL_IWMODE;
 
         bcm43xx_lock_mmio(bcm, flags);
-        if (bcm->ieee->iw_mode != mode)
-                bcm43xx_set_iwmode(bcm, mode);
+        if (bcm->initialized) {
+                if (bcm->ieee->iw_mode != mode)
+                        bcm43xx_set_iwmode(bcm, mode);
+        } else
+                bcm->ieee->iw_mode = mode;
         bcm43xx_unlock_mmio(bcm, flags);
 
         return 0;
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 309f9190a922..a461b51d6076 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -831,21 +831,19 @@ static inline void netif_rx_schedule(struct net_device *dev)
                 __netif_rx_schedule(dev);
 }
 
-
-static inline void  __netif_rx_reschedule(struct net_device *dev, int undo)
-{
-        dev->quota += undo;
-        list_add_tail(&dev->poll_list, &__get_cpu_var(softnet_data).poll_list);
-        __raise_softirq_irqoff(NET_RX_SOFTIRQ);
-}
-
-/* Try to reschedule poll. Called by dev->poll() after netif_rx_complete(). */
+/* Try to reschedule poll. Called by dev->poll() after netif_rx_complete().
+ * Do not inline this?
+ */
 static inline int netif_rx_reschedule(struct net_device *dev, int undo)
 {
         if (netif_rx_schedule_prep(dev)) {
                 unsigned long flags;
+
+                dev->quota += undo;
+
                 local_irq_save(flags);
-                __netif_rx_reschedule(dev, undo);
+                list_add_tail(&dev->poll_list, &__get_cpu_var(softnet_data).poll_list);
+                __raise_softirq_irqoff(NET_RX_SOFTIRQ);
                 local_irq_restore(flags);
                 return 1;
         }
diff --git a/include/net/ieee80211.h b/include/net/ieee80211.h
index 4725ff861c57..d5926bfb1fc9 100644
--- a/include/net/ieee80211.h
+++ b/include/net/ieee80211.h
@@ -955,11 +955,13 @@ enum ieee80211_state {
 
 #define IEEE80211_24GHZ_MIN_CHANNEL 1
 #define IEEE80211_24GHZ_MAX_CHANNEL 14
-#define IEEE80211_24GHZ_CHANNELS    14
+#define IEEE80211_24GHZ_CHANNELS (IEEE80211_24GHZ_MAX_CHANNEL - \
+                                  IEEE80211_24GHZ_MIN_CHANNEL + 1)
 
 #define IEEE80211_52GHZ_MIN_CHANNEL 34
 #define IEEE80211_52GHZ_MAX_CHANNEL 165
-#define IEEE80211_52GHZ_CHANNELS    131
+#define IEEE80211_52GHZ_CHANNELS (IEEE80211_52GHZ_MAX_CHANNEL - \
+                                  IEEE80211_52GHZ_MIN_CHANNEL + 1)
 
 enum {
         IEEE80211_CH_PASSIVE_ONLY = (1 << 0),
diff --git a/include/net/ieee80211softmac.h b/include/net/ieee80211softmac.h
index b1ebfbae397f..052ed596a4e4 100644
--- a/include/net/ieee80211softmac.h
+++ b/include/net/ieee80211softmac.h
@@ -204,7 +204,8 @@ struct ieee80211softmac_device {
         
         /* couple of flags */
         u8 scanning:1, /* protects scanning from being done multiple times at once */
-           associated:1;
+           associated:1,
+           running:1;
         
         struct ieee80211softmac_scaninfo *scaninfo;
         struct ieee80211softmac_assoc_info associnfo;
diff --git a/net/ieee80211/softmac/ieee80211softmac_assoc.c b/net/ieee80211/softmac/ieee80211softmac_assoc.c
index fb79ce7d6439..57ea9f6f465c 100644
--- a/net/ieee80211/softmac/ieee80211softmac_assoc.c
+++ b/net/ieee80211/softmac/ieee80211softmac_assoc.c
@@ -51,11 +51,12 @@ ieee80211softmac_assoc(struct ieee80211softmac_device *mac, struct ieee80211soft
         spin_lock_irqsave(&mac->lock, flags);
         mac->associnfo.associating = 1;
         mac->associated = 0; /* just to make sure */
-        spin_unlock_irqrestore(&mac->lock, flags);
 
         /* Set a timer for timeout */
         /* FIXME: make timeout configurable */
-        schedule_delayed_work(&mac->associnfo.timeout, 5 * HZ);
+        if (likely(mac->running))
+                schedule_delayed_work(&mac->associnfo.timeout, 5 * HZ);
+        spin_unlock_irqrestore(&mac->lock, flags);
 }
 
 void
@@ -319,6 +320,9 @@ ieee80211softmac_handle_assoc_response(struct net_device * dev,
         u16 status = le16_to_cpup(&resp->status);
         struct ieee80211softmac_network *network = NULL;
         unsigned long flags;
+
+        if (unlikely(!mac->running))
+                return -ENODEV;
         
         spin_lock_irqsave(&mac->lock, flags);
 
@@ -377,10 +381,16 @@ ieee80211softmac_handle_disassoc(struct net_device * dev,
 {
         struct ieee80211softmac_device *mac = ieee80211_priv(dev);
         unsigned long flags;
+
+        if (unlikely(!mac->running))
+                return -ENODEV;
+
         if (memcmp(disassoc->header.addr2, mac->associnfo.bssid, ETH_ALEN))
                 return 0;
+
         if (memcmp(disassoc->header.addr1, mac->dev->dev_addr, ETH_ALEN))
                 return 0;
+
         dprintk(KERN_INFO PFX "got disassoc frame\n");
         netif_carrier_off(dev);
         spin_lock_irqsave(&mac->lock, flags);
@@ -400,6 +410,9 @@ ieee80211softmac_handle_reassoc_req(struct net_device * dev,
         struct ieee80211softmac_device *mac = ieee80211_priv(dev);
         struct ieee80211softmac_network *network;
 
+        if (unlikely(!mac->running))
+                return -ENODEV;
+
         network = ieee80211softmac_get_network_by_bssid(mac, resp->header.addr3);
         if (!network) {
                 dprintkl(KERN_INFO PFX "reassoc request from unknown network\n");
diff --git a/net/ieee80211/softmac/ieee80211softmac_auth.c b/net/ieee80211/softmac/ieee80211softmac_auth.c
index 9a0eac6c61eb..06e332624665 100644
--- a/net/ieee80211/softmac/ieee80211softmac_auth.c
+++ b/net/ieee80211/softmac/ieee80211softmac_auth.c
@@ -86,6 +86,11 @@ ieee80211softmac_auth_queue(void *data)
                 
                 /* Lock and set flags */
                 spin_lock_irqsave(&mac->lock, flags);
+                if (unlikely(!mac->running)) {
+                        /* Prevent reschedule on workqueue flush */
+                        spin_unlock_irqrestore(&mac->lock, flags);
+                        return;
+                }
                 net->authenticated = 0;
                 net->authenticating = 1;
                 /* add a timeout call so we eventually give up waiting for an auth reply */
@@ -124,6 +129,9 @@ ieee80211softmac_auth_resp(struct net_device *dev, struct ieee80211_auth *auth)
         unsigned long flags;
         u8 * data;
         
+        if (unlikely(!mac->running))
+                return -ENODEV;
+
         /* Find correct auth queue item */
         spin_lock_irqsave(&mac->lock, flags);
         list_for_each(list_ptr, &mac->auth_queue) {
@@ -298,8 +306,6 @@ ieee80211softmac_deauth_from_net(struct ieee80211softmac_device *mac,
         
         /* can't transmit data right now... */
         netif_carrier_off(mac->dev);
-        /* let's try to re-associate */
-        schedule_work(&mac->associnfo.work);
         spin_unlock_irqrestore(&mac->lock, flags);
 }
 
@@ -338,6 +344,9 @@ ieee80211softmac_deauth_resp(struct net_device *dev, struct ieee80211_deauth *de
         struct ieee80211softmac_network *net = NULL;
         struct ieee80211softmac_device *mac = ieee80211_priv(dev);
         
+        if (unlikely(!mac->running))
+                return -ENODEV;
+
         if (!deauth) {
                 dprintk("deauth without deauth packet. eek!\n");
                 return 0;
@@ -360,5 +369,8 @@ ieee80211softmac_deauth_resp(struct net_device *dev, struct ieee80211_deauth *de
         }
 
         ieee80211softmac_deauth_from_net(mac, net);
+
+        /* let's try to re-associate */
+        schedule_work(&mac->associnfo.work);
         return 0;
 }
diff --git a/net/ieee80211/softmac/ieee80211softmac_module.c b/net/ieee80211/softmac/ieee80211softmac_module.c
index be83bdc1644a..6252be2c0db9 100644
--- a/net/ieee80211/softmac/ieee80211softmac_module.c
+++ b/net/ieee80211/softmac/ieee80211softmac_module.c
@@ -89,6 +89,8 @@ ieee80211softmac_clear_pending_work(struct ieee80211softmac_device *sm)
         ieee80211softmac_wait_for_scan(sm);
         
         spin_lock_irqsave(&sm->lock, flags);
+        sm->running = 0;
+
         /* Free all pending assoc work items */
         cancel_delayed_work(&sm->associnfo.work);
         
@@ -204,6 +206,8 @@ void ieee80211softmac_start(struct net_device *dev)
                 assert(0);
         if (mac->txrates_change)
                 mac->txrates_change(dev, change, &oldrates);
+
+        mac->running = 1;
 }
 EXPORT_SYMBOL_GPL(ieee80211softmac_start);
 
diff --git a/net/ieee80211/softmac/ieee80211softmac_scan.c b/net/ieee80211/softmac/ieee80211softmac_scan.c
index 2b9e7edfa3ce..d31cf77498c4 100644
--- a/net/ieee80211/softmac/ieee80211softmac_scan.c
+++ b/net/ieee80211/softmac/ieee80211softmac_scan.c
@@ -115,7 +115,15 @@ void ieee80211softmac_scan(void *d)
                         // TODO: is this if correct, or should we do this only if scanning from assoc request?
                         if (sm->associnfo.req_essid.len)
                                 ieee80211softmac_send_mgt_frame(sm, &sm->associnfo.req_essid, IEEE80211_STYPE_PROBE_REQ, 0);
+
+                        spin_lock_irqsave(&sm->lock, flags);
+                        if (unlikely(!sm->running)) {
+                                /* Prevent reschedule on workqueue flush */
+                                spin_unlock_irqrestore(&sm->lock, flags);
+                                break;
+                        }
                         schedule_delayed_work(&si->softmac_scan, IEEE80211SOFTMAC_PROBE_DELAY);
+                        spin_unlock_irqrestore(&sm->lock, flags);
                         return;
                 } else {
                         dprintk(PFX "Not probing Channel %d (not allowed here)\n", si->channels[current_channel_idx].channel);