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-rw-r--r--drivers/net/wireless/b43legacy/b43legacy.h31
-rw-r--r--drivers/net/wireless/b43legacy/main.c124
-rw-r--r--drivers/net/wireless/b43legacy/phy.c14
-rw-r--r--drivers/net/wireless/b43legacy/pio.c6
-rw-r--r--drivers/net/wireless/b43legacy/radio.c16
5 files changed, 110 insertions, 81 deletions
diff --git a/drivers/net/wireless/b43legacy/b43legacy.h b/drivers/net/wireless/b43legacy/b43legacy.h
index 93419adb925..c80edd2b904 100644
--- a/drivers/net/wireless/b43legacy/b43legacy.h
+++ b/drivers/net/wireless/b43legacy/b43legacy.h
@@ -23,7 +23,7 @@
#include "phy.h"
-#define B43legacy_IRQWAIT_MAX_RETRIES 100
+#define B43legacy_IRQWAIT_MAX_RETRIES 20
#define B43legacy_RX_MAX_SSI 60 /* best guess at max ssi */
@@ -40,9 +40,8 @@
#define B43legacy_MMIO_DMA4_IRQ_MASK 0x44
#define B43legacy_MMIO_DMA5_REASON 0x48
#define B43legacy_MMIO_DMA5_IRQ_MASK 0x4C
-#define B43legacy_MMIO_MACCTL 0x120
-#define B43legacy_MMIO_STATUS_BITFIELD 0x120
-#define B43legacy_MMIO_STATUS2_BITFIELD 0x124
+#define B43legacy_MMIO_MACCTL 0x120 /* MAC control */
+#define B43legacy_MMIO_MACCMD 0x124 /* MAC command */
#define B43legacy_MMIO_GEN_IRQ_REASON 0x128
#define B43legacy_MMIO_GEN_IRQ_MASK 0x12C
#define B43legacy_MMIO_RAM_CONTROL 0x130
@@ -177,31 +176,25 @@
#define B43legacy_RADIOCTL_ID 0x01
/* MAC Control bitfield */
+#define B43legacy_MACCTL_ENABLED 0x00000001 /* MAC Enabled */
+#define B43legacy_MACCTL_PSM_RUN 0x00000002 /* Run Microcode */
+#define B43legacy_MACCTL_PSM_JMP0 0x00000004 /* Microcode jump to 0 */
+#define B43legacy_MACCTL_SHM_ENABLED 0x00000100 /* SHM Enabled */
#define B43legacy_MACCTL_IHR_ENABLED 0x00000400 /* IHR Region Enabled */
+#define B43legacy_MACCTL_BE 0x00010000 /* Big Endian mode */
#define B43legacy_MACCTL_INFRA 0x00020000 /* Infrastructure mode */
#define B43legacy_MACCTL_AP 0x00040000 /* AccessPoint mode */
+#define B43legacy_MACCTL_RADIOLOCK 0x00080000 /* Radio lock */
#define B43legacy_MACCTL_BEACPROMISC 0x00100000 /* Beacon Promiscuous */
#define B43legacy_MACCTL_KEEP_BADPLCP 0x00200000 /* Keep bad PLCP frames */
#define B43legacy_MACCTL_KEEP_CTL 0x00400000 /* Keep control frames */
#define B43legacy_MACCTL_KEEP_BAD 0x00800000 /* Keep bad frames (FCS) */
#define B43legacy_MACCTL_PROMISC 0x01000000 /* Promiscuous mode */
+#define B43legacy_MACCTL_HWPS 0x02000000 /* Hardware Power Saving */
+#define B43legacy_MACCTL_AWAKE 0x04000000 /* Device is awake */
+#define B43legacy_MACCTL_TBTTHOLD 0x10000000 /* TBTT Hold */
#define B43legacy_MACCTL_GMODE 0x80000000 /* G Mode */
-/* StatusBitField */
-#define B43legacy_SBF_MAC_ENABLED 0x00000001
-#define B43legacy_SBF_CORE_READY 0x00000004
-#define B43legacy_SBF_400 0x00000400 /*FIXME: fix name*/
-#define B43legacy_SBF_XFER_REG_BYTESWAP 0x00010000
-#define B43legacy_SBF_MODE_NOTADHOC 0x00020000
-#define B43legacy_SBF_MODE_AP 0x00040000
-#define B43legacy_SBF_RADIOREG_LOCK 0x00080000
-#define B43legacy_SBF_MODE_MONITOR 0x00400000
-#define B43legacy_SBF_MODE_PROMISC 0x01000000
-#define B43legacy_SBF_PS1 0x02000000
-#define B43legacy_SBF_PS2 0x04000000
-#define B43legacy_SBF_NO_SSID_BCAST 0x08000000
-#define B43legacy_SBF_TIME_UPDATE 0x10000000
-
/* 802.11 core specific TM State Low flags */
#define B43legacy_TMSLOW_GMODE 0x20000000 /* G Mode Enable */
#define B43legacy_TMSLOW_PLLREFSEL 0x00200000 /* PLL Freq Ref Select */
diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c
index b9a046ff6dc..aa20d5d56e2 100644
--- a/drivers/net/wireless/b43legacy/main.c
+++ b/drivers/net/wireless/b43legacy/main.c
@@ -225,8 +225,8 @@ static void b43legacy_ram_write(struct b43legacy_wldev *dev, u16 offset,
B43legacy_WARN_ON(offset % 4 != 0);
- status = b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD);
- if (status & B43legacy_SBF_XFER_REG_BYTESWAP)
+ status = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
+ if (status & B43legacy_MACCTL_BE)
val = swab32(val);
b43legacy_write32(dev, B43legacy_MMIO_RAM_CONTROL, offset);
@@ -434,9 +434,9 @@ static void b43legacy_time_lock(struct b43legacy_wldev *dev)
{
u32 status;
- status = b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD);
- status |= B43legacy_SBF_TIME_UPDATE;
- b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, status);
+ status = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
+ status |= B43legacy_MACCTL_TBTTHOLD;
+ b43legacy_write32(dev, B43legacy_MMIO_MACCTL, status);
mmiowb();
}
@@ -444,9 +444,9 @@ static void b43legacy_time_unlock(struct b43legacy_wldev *dev)
{
u32 status;
- status = b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD);
- status &= ~B43legacy_SBF_TIME_UPDATE;
- b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, status);
+ status = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
+ status &= ~B43legacy_MACCTL_TBTTHOLD;
+ b43legacy_write32(dev, B43legacy_MMIO_MACCTL, status);
}
static void b43legacy_tsf_write_locked(struct b43legacy_wldev *dev, u64 tsf)
@@ -647,7 +647,7 @@ void b43legacy_dummy_transmission(struct b43legacy_wldev *dev)
b43legacy_ram_write(dev, i * 4, buffer[i]);
/* dummy read follows */
- b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD);
+ b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
b43legacy_write16(dev, 0x0568, 0x0000);
b43legacy_write16(dev, 0x07C0, 0x0000);
@@ -794,9 +794,9 @@ static void b43legacy_jssi_write(struct b43legacy_wldev *dev, u32 jssi)
static void b43legacy_generate_noise_sample(struct b43legacy_wldev *dev)
{
b43legacy_jssi_write(dev, 0x7F7F7F7F);
- b43legacy_write32(dev, B43legacy_MMIO_STATUS2_BITFIELD,
+ b43legacy_write32(dev, B43legacy_MMIO_MACCMD,
b43legacy_read32(dev,
- B43legacy_MMIO_STATUS2_BITFIELD)
+ B43legacy_MMIO_MACCMD)
| (1 << 4));
B43legacy_WARN_ON(dev->noisecalc.channel_at_start !=
dev->phy.channel);
@@ -895,8 +895,8 @@ static void handle_irq_atim_end(struct b43legacy_wldev *dev)
{
if (!dev->reg124_set_0x4) /*FIXME rename this variable*/
return;
- b43legacy_write32(dev, B43legacy_MMIO_STATUS2_BITFIELD,
- b43legacy_read32(dev, B43legacy_MMIO_STATUS2_BITFIELD)
+ b43legacy_write32(dev, B43legacy_MMIO_MACCMD,
+ b43legacy_read32(dev, B43legacy_MMIO_MACCMD)
| 0x4);
}
@@ -1106,9 +1106,9 @@ static void b43legacy_update_templates(struct b43legacy_wldev *dev)
b43legacy_write_probe_resp_template(dev, 0x268, 0x4A,
B43legacy_CCK_RATE_11MB);
- status = b43legacy_read32(dev, B43legacy_MMIO_STATUS2_BITFIELD);
+ status = b43legacy_read32(dev, B43legacy_MMIO_MACCMD);
status |= 0x03;
- b43legacy_write32(dev, B43legacy_MMIO_STATUS2_BITFIELD, status);
+ b43legacy_write32(dev, B43legacy_MMIO_MACCMD, status);
}
static void b43legacy_refresh_templates(struct b43legacy_wldev *dev,
@@ -1166,7 +1166,7 @@ static void handle_irq_beacon(struct b43legacy_wldev *dev)
return;
dev->irq_savedstate &= ~B43legacy_IRQ_BEACON;
- status = b43legacy_read32(dev, B43legacy_MMIO_STATUS2_BITFIELD);
+ status = b43legacy_read32(dev, B43legacy_MMIO_MACCMD);
if (!dev->cached_beacon || ((status & 0x1) && (status & 0x2))) {
/* ACK beacon IRQ. */
@@ -1182,14 +1182,14 @@ static void handle_irq_beacon(struct b43legacy_wldev *dev)
b43legacy_write_beacon_template(dev, 0x68, 0x18,
B43legacy_CCK_RATE_1MB);
status |= 0x1;
- b43legacy_write32(dev, B43legacy_MMIO_STATUS2_BITFIELD,
+ b43legacy_write32(dev, B43legacy_MMIO_MACCMD,
status);
}
if (!(status & 0x2)) {
b43legacy_write_beacon_template(dev, 0x468, 0x1A,
B43legacy_CCK_RATE_1MB);
status |= 0x2;
- b43legacy_write32(dev, B43legacy_MMIO_STATUS2_BITFIELD,
+ b43legacy_write32(dev, B43legacy_MMIO_MACCMD,
status);
}
}
@@ -1548,9 +1548,20 @@ static int b43legacy_upload_microcode(struct b43legacy_wldev *dev)
u16 fwpatch;
u16 fwdate;
u16 fwtime;
- u32 tmp;
+ u32 tmp, macctl;
int err = 0;
+ /* Jump the microcode PSM to offset 0 */
+ macctl = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
+ B43legacy_WARN_ON(macctl & B43legacy_MACCTL_PSM_RUN);
+ macctl |= B43legacy_MACCTL_PSM_JMP0;
+ b43legacy_write32(dev, B43legacy_MMIO_MACCTL, macctl);
+ /* Zero out all microcode PSM registers and shared memory. */
+ for (i = 0; i < 64; i++)
+ b43legacy_shm_write16(dev, B43legacy_SHM_WIRELESS, i, 0);
+ for (i = 0; i < 4096; i += 2)
+ b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, i, 0);
+
/* Upload Microcode. */
data = (__be32 *) (dev->fw.ucode->data + hdr_len);
len = (dev->fw.ucode->size - hdr_len) / sizeof(__be32);
@@ -1581,7 +1592,12 @@ static int b43legacy_upload_microcode(struct b43legacy_wldev *dev)
b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_REASON,
B43legacy_IRQ_ALL);
- b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, 0x00020402);
+
+ /* Start the microcode PSM */
+ macctl = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
+ macctl &= ~B43legacy_MACCTL_PSM_JMP0;
+ macctl |= B43legacy_MACCTL_PSM_RUN;
+ b43legacy_write32(dev, B43legacy_MMIO_MACCTL, macctl);
/* Wait for the microcode to load and respond */
i = 0;
@@ -1594,9 +1610,13 @@ static int b43legacy_upload_microcode(struct b43legacy_wldev *dev)
b43legacyerr(dev->wl, "Microcode not responding\n");
b43legacy_print_fw_helptext(dev->wl);
err = -ENODEV;
- goto out;
+ goto error;
+ }
+ msleep_interruptible(50);
+ if (signal_pending(current)) {
+ err = -EINTR;
+ goto error;
}
- udelay(10);
}
/* dummy read follows */
b43legacy_read32(dev, B43legacy_MMIO_GEN_IRQ_REASON);
@@ -1617,9 +1637,8 @@ static int b43legacy_upload_microcode(struct b43legacy_wldev *dev)
" is supported. You must change your firmware"
" files.\n");
b43legacy_print_fw_helptext(dev->wl);
- b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, 0);
err = -EOPNOTSUPP;
- goto out;
+ goto error;
}
b43legacydbg(dev->wl, "Loading firmware version 0x%X, patch level %u "
"(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n", fwrev, fwpatch,
@@ -1629,7 +1648,14 @@ static int b43legacy_upload_microcode(struct b43legacy_wldev *dev)
dev->fw.rev = fwrev;
dev->fw.patch = fwpatch;
-out:
+ return 0;
+
+error:
+ macctl = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
+ macctl &= ~B43legacy_MACCTL_PSM_RUN;
+ macctl |= B43legacy_MACCTL_PSM_JMP0;
+ b43legacy_write32(dev, B43legacy_MMIO_MACCTL, macctl);
+
return err;
}
@@ -1736,9 +1762,9 @@ static int b43legacy_gpio_init(struct b43legacy_wldev *dev)
u32 mask;
u32 set;
- b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD,
+ b43legacy_write32(dev, B43legacy_MMIO_MACCTL,
b43legacy_read32(dev,
- B43legacy_MMIO_STATUS_BITFIELD)
+ B43legacy_MMIO_MACCTL)
& 0xFFFF3FFF);
b43legacy_write16(dev, B43legacy_MMIO_GPIO_MASK,
@@ -1798,14 +1824,14 @@ void b43legacy_mac_enable(struct b43legacy_wldev *dev)
B43legacy_WARN_ON(dev->mac_suspended < 0);
B43legacy_WARN_ON(irqs_disabled());
if (dev->mac_suspended == 0) {
- b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD,
+ b43legacy_write32(dev, B43legacy_MMIO_MACCTL,
b43legacy_read32(dev,
- B43legacy_MMIO_STATUS_BITFIELD)
- | B43legacy_SBF_MAC_ENABLED);
+ B43legacy_MMIO_MACCTL)
+ | B43legacy_MACCTL_ENABLED);
b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_REASON,
B43legacy_IRQ_MAC_SUSPENDED);
/* the next two are dummy reads */
- b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD);
+ b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
b43legacy_read32(dev, B43legacy_MMIO_GEN_IRQ_REASON);
b43legacy_power_saving_ctl_bits(dev, -1, -1);
@@ -1836,10 +1862,10 @@ void b43legacy_mac_suspend(struct b43legacy_wldev *dev)
dev->irq_savedstate = tmp;
b43legacy_power_saving_ctl_bits(dev, -1, 1);
- b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD,
+ b43legacy_write32(dev, B43legacy_MMIO_MACCTL,
b43legacy_read32(dev,
- B43legacy_MMIO_STATUS_BITFIELD)
- & ~B43legacy_SBF_MAC_ENABLED);
+ B43legacy_MMIO_MACCTL)
+ & ~B43legacy_MACCTL_ENABLED);
b43legacy_read32(dev, B43legacy_MMIO_GEN_IRQ_REASON);
for (i = 40; i; i--) {
tmp = b43legacy_read32(dev,
@@ -2007,12 +2033,15 @@ static int b43legacy_chip_init(struct b43legacy_wldev *dev)
struct b43legacy_phy *phy = &dev->phy;
int err;
int tmp;
- u32 value32;
+ u32 value32, macctl;
u16 value16;
- b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD,
- B43legacy_SBF_CORE_READY
- | B43legacy_SBF_400);
+ /* Initialize the MAC control */
+ macctl = B43legacy_MACCTL_IHR_ENABLED | B43legacy_MACCTL_SHM_ENABLED;
+ if (dev->phy.gmode)
+ macctl |= B43legacy_MACCTL_GMODE;
+ macctl |= B43legacy_MACCTL_INFRA;
+ b43legacy_write32(dev, B43legacy_MMIO_MACCTL, macctl);
err = b43legacy_request_firmware(dev);
if (err)
@@ -2052,12 +2081,12 @@ static int b43legacy_chip_init(struct b43legacy_wldev *dev)
if (dev->dev->id.revision < 5)
b43legacy_write32(dev, 0x010C, 0x01000000);
- value32 = b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD);
- value32 &= ~B43legacy_SBF_MODE_NOTADHOC;
- b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, value32);
- value32 = b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD);
- value32 |= B43legacy_SBF_MODE_NOTADHOC;
- b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, value32);
+ value32 = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
+ value32 &= ~B43legacy_MACCTL_INFRA;
+ b43legacy_write32(dev, B43legacy_MMIO_MACCTL, value32);
+ value32 = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
+ value32 |= B43legacy_MACCTL_INFRA;
+ b43legacy_write32(dev, B43legacy_MMIO_MACCTL, value32);
if (b43legacy_using_pio(dev)) {
b43legacy_write32(dev, 0x0210, 0x00000100);
@@ -2951,12 +2980,19 @@ static void b43legacy_wireless_core_exit(struct b43legacy_wldev *dev)
{
struct b43legacy_wl *wl = dev->wl;
struct b43legacy_phy *phy = &dev->phy;
+ u32 macctl;
B43legacy_WARN_ON(b43legacy_status(dev) > B43legacy_STAT_INITIALIZED);
if (b43legacy_status(dev) != B43legacy_STAT_INITIALIZED)
return;
b43legacy_set_status(dev, B43legacy_STAT_UNINIT);
+ /* Stop the microcode PSM. */
+ macctl = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
+ macctl &= ~B43legacy_MACCTL_PSM_RUN;
+ macctl |= B43legacy_MACCTL_PSM_JMP0;
+ b43legacy_write32(dev, B43legacy_MMIO_MACCTL, macctl);
+
mutex_unlock(&wl->mutex);
/* Must unlock as it would otherwise deadlock. No races here.
* Cancel possibly pending workqueues. */
diff --git a/drivers/net/wireless/b43legacy/phy.c b/drivers/net/wireless/b43legacy/phy.c
index c16febbdbf5..8e5c09b8187 100644
--- a/drivers/net/wireless/b43legacy/phy.c
+++ b/drivers/net/wireless/b43legacy/phy.c
@@ -140,7 +140,7 @@ void b43legacy_phy_calibrate(struct b43legacy_wldev *dev)
{
struct b43legacy_phy *phy = &dev->phy;
- b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD); /* Dummy read. */
+ b43legacy_read32(dev, B43legacy_MMIO_MACCTL); /* Dummy read. */
if (phy->calibrated)
return;
if (phy->type == B43legacy_PHYTYPE_G && phy->rev == 1) {
@@ -2231,16 +2231,16 @@ bit26 = 1;
* or the latest PS-Poll packet sent was successful,
* set bit26 */
}
- status = b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD);
+ status = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
if (bit25)
- status |= B43legacy_SBF_PS1;
+ status |= B43legacy_MACCTL_HWPS;
else
- status &= ~B43legacy_SBF_PS1;
+ status &= ~B43legacy_MACCTL_HWPS;
if (bit26)
- status |= B43legacy_SBF_PS2;
+ status |= B43legacy_MACCTL_AWAKE;
else
- status &= ~B43legacy_SBF_PS2;
- b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, status);
+ status &= ~B43legacy_MACCTL_AWAKE;
+ b43legacy_write32(dev, B43legacy_MMIO_MACCTL, status);
if (bit26 && dev->dev->id.revision >= 5) {
for (i = 0; i < 100; i++) {
if (b43legacy_shm_read32(dev, B43legacy_SHM_SHARED,
diff --git a/drivers/net/wireless/b43legacy/pio.c b/drivers/net/wireless/b43legacy/pio.c
index de843ac147a..e4f4c5c39e3 100644
--- a/drivers/net/wireless/b43legacy/pio.c
+++ b/drivers/net/wireless/b43legacy/pio.c
@@ -334,9 +334,9 @@ struct b43legacy_pioqueue *b43legacy_setup_pioqueue(struct b43legacy_wldev *dev,
tasklet_init(&queue->txtask, tx_tasklet,
(unsigned long)queue);
- value = b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD);
- value &= ~B43legacy_SBF_XFER_REG_BYTESWAP;
- b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, value);
+ value = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
+ value &= ~B43legacy_MACCTL_BE;
+ b43legacy_write32(dev, B43legacy_MMIO_MACCTL, value);
qsize = b43legacy_read16(dev, queue->mmio_base
+ B43legacy_PIO_TXQBUFSIZE);
diff --git a/drivers/net/wireless/b43legacy/radio.c b/drivers/net/wireless/b43legacy/radio.c
index 318a270cf9b..955832e8654 100644
--- a/drivers/net/wireless/b43legacy/radio.c
+++ b/drivers/net/wireless/b43legacy/radio.c
@@ -91,10 +91,10 @@ void b43legacy_radio_lock(struct b43legacy_wldev *dev)
{
u32 status;
- status = b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD);
- B43legacy_WARN_ON(status & B43legacy_SBF_RADIOREG_LOCK);
- status |= B43legacy_SBF_RADIOREG_LOCK;
- b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, status);
+ status = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
+ B43legacy_WARN_ON(status & B43legacy_MACCTL_RADIOLOCK);
+ status |= B43legacy_MACCTL_RADIOLOCK;
+ b43legacy_write32(dev, B43legacy_MMIO_MACCTL, status);
mmiowb();
udelay(10);
}
@@ -104,10 +104,10 @@ void b43legacy_radio_unlock(struct b43legacy_wldev *dev)
u32 status;
b43legacy_read16(dev, B43legacy_MMIO_PHY_VER); /* dummy read */
- status = b43legacy_read32(dev, B43legacy_MMIO_STATUS_BITFIELD);
- B43legacy_WARN_ON(!(status & B43legacy_SBF_RADIOREG_LOCK));
- status &= ~B43legacy_SBF_RADIOREG_LOCK;
- b43legacy_write32(dev, B43legacy_MMIO_STATUS_BITFIELD, status);
+ status = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
+ B43legacy_WARN_ON(!(status & B43legacy_MACCTL_RADIOLOCK));
+ status &= ~B43legacy_MACCTL_RADIOLOCK;
+ b43legacy_write32(dev, B43legacy_MMIO_MACCTL, status);
mmiowb();
}