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authorLinus Torvalds <torvalds@linux-foundation.org>2012-03-20 21:04:47 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-03-20 21:04:47 -0700
commit3b59bf081622b6446db77ad06c93fe23677bc533 (patch)
tree3f4bb5a27c90cc86994a1f6d3c53fbf9208003cb /drivers/net/wireless/b43/main.c
parente45836fafe157df137a837093037f741ad8f4c90 (diff)
parentbbdb32cb5b73597386913d052165423b9d736145 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking merge from David Miller: "1) Move ixgbe driver over to purely page based buffering on receive. From Alexander Duyck. 2) Add receive packet steering support to e1000e, from Bruce Allan. 3) Convert TCP MD5 support over to RCU, from Eric Dumazet. 4) Reduce cpu usage in handling out-of-order TCP packets on modern systems, also from Eric Dumazet. 5) Support the IP{,V6}_UNICAST_IF socket options, making the wine folks happy, from Erich Hoover. 6) Support VLAN trunking from guests in hyperv driver, from Haiyang Zhang. 7) Support byte-queue-limtis in r8169, from Igor Maravic. 8) Outline code intended for IP_RECVTOS in IP_PKTOPTIONS existed but was never properly implemented, Jiri Benc fixed that. 9) 64-bit statistics support in r8169 and 8139too, from Junchang Wang. 10) Support kernel side dump filtering by ctmark in netfilter ctnetlink, from Pablo Neira Ayuso. 11) Support byte-queue-limits in gianfar driver, from Paul Gortmaker. 12) Add new peek socket options to assist with socket migration, from Pavel Emelyanov. 13) Add sch_plug packet scheduler whose queue is controlled by userland daemons using explicit freeze and release commands. From Shriram Rajagopalan. 14) Fix FCOE checksum offload handling on transmit, from Yi Zou." * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1846 commits) Fix pppol2tp getsockname() Remove printk from rds_sendmsg ipv6: fix incorrent ipv6 ipsec packet fragment cpsw: Hook up default ndo_change_mtu. net: qmi_wwan: fix build error due to cdc-wdm dependecy netdev: driver: ethernet: Add TI CPSW driver netdev: driver: ethernet: add cpsw address lookup engine support phy: add am79c874 PHY support mlx4_core: fix race on comm channel bonding: send igmp report for its master fs_enet: Add MPC5125 FEC support and PHY interface selection net: bpf_jit: fix BPF_S_LDX_B_MSH compilation net: update the usage of CHECKSUM_UNNECESSARY fcoe: use CHECKSUM_UNNECESSARY instead of CHECKSUM_PARTIAL on tx net: do not do gso for CHECKSUM_UNNECESSARY in netif_needs_gso ixgbe: Fix issues with SR-IOV loopback when flow control is disabled net/hyperv: Fix the code handling tx busy ixgbe: fix namespace issues when FCoE/DCB is not enabled rtlwifi: Remove unused ETH_ADDR_LEN defines igbvf: Use ETH_ALEN ... Fix up fairly trivial conflicts in drivers/isdn/gigaset/interface.c and drivers/net/usb/{Kconfig,qmi_wwan.c} as per David.
Diffstat (limited to 'drivers/net/wireless/b43/main.c')
-rw-r--r--drivers/net/wireless/b43/main.c128
1 files changed, 53 insertions, 75 deletions
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 23ffb1b9a86f..c79e6638c88d 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -580,22 +580,14 @@ void b43_tsf_read(struct b43_wldev *dev, u64 *tsf)
static void b43_time_lock(struct b43_wldev *dev)
{
- u32 macctl;
-
- macctl = b43_read32(dev, B43_MMIO_MACCTL);
- macctl |= B43_MACCTL_TBTTHOLD;
- b43_write32(dev, B43_MMIO_MACCTL, macctl);
+ b43_maskset32(dev, B43_MMIO_MACCTL, ~0, B43_MACCTL_TBTTHOLD);
/* Commit the write */
b43_read32(dev, B43_MMIO_MACCTL);
}
static void b43_time_unlock(struct b43_wldev *dev)
{
- u32 macctl;
-
- macctl = b43_read32(dev, B43_MMIO_MACCTL);
- macctl &= ~B43_MACCTL_TBTTHOLD;
- b43_write32(dev, B43_MMIO_MACCTL, macctl);
+ b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_TBTTHOLD, 0);
/* Commit the write */
b43_read32(dev, B43_MMIO_MACCTL);
}
@@ -2398,8 +2390,14 @@ error:
return err;
}
-static int b43_request_firmware(struct b43_wldev *dev)
+static int b43_one_core_attach(struct b43_bus_dev *dev, struct b43_wl *wl);
+static void b43_one_core_detach(struct b43_bus_dev *dev);
+
+static void b43_request_firmware(struct work_struct *work)
{
+ struct b43_wl *wl = container_of(work,
+ struct b43_wl, firmware_load);
+ struct b43_wldev *dev = wl->current_dev;
struct b43_request_fw_context *ctx;
unsigned int i;
int err;
@@ -2407,23 +2405,23 @@ static int b43_request_firmware(struct b43_wldev *dev)
ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
if (!ctx)
- return -ENOMEM;
+ return;
ctx->dev = dev;
ctx->req_type = B43_FWTYPE_PROPRIETARY;
err = b43_try_request_fw(ctx);
if (!err)
- goto out; /* Successfully loaded it. */
- err = ctx->fatal_failure;
- if (err)
+ goto start_ieee80211; /* Successfully loaded it. */
+ /* Was fw version known? */
+ if (ctx->fatal_failure)
goto out;
+ /* proprietary fw not found, try open source */
ctx->req_type = B43_FWTYPE_OPENSOURCE;
err = b43_try_request_fw(ctx);
if (!err)
- goto out; /* Successfully loaded it. */
- err = ctx->fatal_failure;
- if (err)
+ goto start_ieee80211; /* Successfully loaded it. */
+ if(ctx->fatal_failure)
goto out;
/* Could not find a usable firmware. Print the errors. */
@@ -2433,11 +2431,20 @@ static int b43_request_firmware(struct b43_wldev *dev)
b43err(dev->wl, errmsg);
}
b43_print_fw_helptext(dev->wl, 1);
- err = -ENOENT;
+ goto out;
+
+start_ieee80211:
+ err = ieee80211_register_hw(wl->hw);
+ if (err)
+ goto err_one_core_detach;
+ b43_leds_register(wl->current_dev);
+ goto out;
+
+err_one_core_detach:
+ b43_one_core_detach(dev->dev);
out:
kfree(ctx);
- return err;
}
static int b43_upload_microcode(struct b43_wldev *dev)
@@ -2487,10 +2494,8 @@ static int b43_upload_microcode(struct b43_wldev *dev)
b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, B43_IRQ_ALL);
/* Start the microcode PSM */
- macctl = b43_read32(dev, B43_MMIO_MACCTL);
- macctl &= ~B43_MACCTL_PSM_JMP0;
- macctl |= B43_MACCTL_PSM_RUN;
- b43_write32(dev, B43_MMIO_MACCTL, macctl);
+ b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_PSM_JMP0,
+ B43_MACCTL_PSM_RUN);
/* Wait for the microcode to load and respond */
i = 0;
@@ -2590,10 +2595,9 @@ static int b43_upload_microcode(struct b43_wldev *dev)
return 0;
error:
- macctl = b43_read32(dev, B43_MMIO_MACCTL);
- macctl &= ~B43_MACCTL_PSM_RUN;
- macctl |= B43_MACCTL_PSM_JMP0;
- b43_write32(dev, B43_MMIO_MACCTL, macctl);
+ /* Stop the microcode PSM. */
+ b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_PSM_RUN,
+ B43_MACCTL_PSM_JMP0);
return err;
}
@@ -2708,11 +2712,8 @@ static int b43_gpio_init(struct b43_wldev *dev)
struct ssb_device *gpiodev;
u32 mask, set;
- b43_write32(dev, B43_MMIO_MACCTL, b43_read32(dev, B43_MMIO_MACCTL)
- & ~B43_MACCTL_GPOUTSMSK);
-
- b43_write16(dev, B43_MMIO_GPIO_MASK, b43_read16(dev, B43_MMIO_GPIO_MASK)
- | 0x000F);
+ b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_GPOUTSMSK, 0);
+ b43_maskset16(dev, B43_MMIO_GPIO_MASK, ~0, 0xF);
mask = 0x0000001F;
set = 0x0000000F;
@@ -2720,6 +2721,8 @@ static int b43_gpio_init(struct b43_wldev *dev)
mask |= 0x0060;
set |= 0x0060;
}
+ if (dev->dev->chip_id == 0x5354)
+ set &= 0xff02;
if (0 /* FIXME: conditional unknown */ ) {
b43_write16(dev, B43_MMIO_GPIO_MASK,
b43_read16(dev, B43_MMIO_GPIO_MASK)
@@ -2800,9 +2803,7 @@ void b43_mac_enable(struct b43_wldev *dev)
dev->mac_suspended--;
B43_WARN_ON(dev->mac_suspended < 0);
if (dev->mac_suspended == 0) {
- b43_write32(dev, B43_MMIO_MACCTL,
- b43_read32(dev, B43_MMIO_MACCTL)
- | B43_MACCTL_ENABLED);
+ b43_maskset32(dev, B43_MMIO_MACCTL, ~0, B43_MACCTL_ENABLED);
b43_write32(dev, B43_MMIO_GEN_IRQ_REASON,
B43_IRQ_MAC_SUSPENDED);
/* Commit writes */
@@ -2823,9 +2824,7 @@ void b43_mac_suspend(struct b43_wldev *dev)
if (dev->mac_suspended == 0) {
b43_power_saving_ctl_bits(dev, B43_PS_AWAKE);
- b43_write32(dev, B43_MMIO_MACCTL,
- b43_read32(dev, B43_MMIO_MACCTL)
- & ~B43_MACCTL_ENABLED);
+ b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_ENABLED, 0);
/* force pci to flush the write */
b43_read32(dev, B43_MMIO_MACCTL);
for (i = 35; i; i--) {
@@ -2931,15 +2930,10 @@ static void b43_adjust_opmode(struct b43_wldev *dev)
* so always disable it. If we want to implement PMQ,
* we need to enable it here (clear DISCPMQ) in AP mode.
*/
- if (0 /* ctl & B43_MACCTL_AP */) {
- b43_write32(dev, B43_MMIO_MACCTL,
- b43_read32(dev, B43_MMIO_MACCTL)
- & ~B43_MACCTL_DISCPMQ);
- } else {
- b43_write32(dev, B43_MMIO_MACCTL,
- b43_read32(dev, B43_MMIO_MACCTL)
- | B43_MACCTL_DISCPMQ);
- }
+ if (0 /* ctl & B43_MACCTL_AP */)
+ b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_DISCPMQ, 0);
+ else
+ b43_maskset32(dev, B43_MMIO_MACCTL, ~0, B43_MACCTL_DISCPMQ);
}
static void b43_rate_memory_write(struct b43_wldev *dev, u16 rate, int is_ofdm)
@@ -3044,9 +3038,6 @@ static int b43_chip_init(struct b43_wldev *dev)
macctl |= B43_MACCTL_INFRA;
b43_write32(dev, B43_MMIO_MACCTL, macctl);
- err = b43_request_firmware(dev);
- if (err)
- goto out;
err = b43_upload_microcode(dev);
if (err)
goto out; /* firmware is released later */
@@ -3083,10 +3074,8 @@ static int b43_chip_init(struct b43_wldev *dev)
if (dev->dev->core_rev < 5)
b43_write32(dev, 0x010C, 0x01000000);
- b43_write32(dev, B43_MMIO_MACCTL, b43_read32(dev, B43_MMIO_MACCTL)
- & ~B43_MACCTL_INFRA);
- b43_write32(dev, B43_MMIO_MACCTL, b43_read32(dev, B43_MMIO_MACCTL)
- | B43_MACCTL_INFRA);
+ b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_INFRA, 0);
+ b43_maskset32(dev, B43_MMIO_MACCTL, ~0, B43_MACCTL_INFRA);
/* Probe Response Timeout value */
/* FIXME: Default to 0, has to be set by ioctl probably... :-/ */
@@ -4178,6 +4167,7 @@ redo:
mutex_unlock(&wl->mutex);
cancel_delayed_work_sync(&dev->periodic_work);
cancel_work_sync(&wl->tx_work);
+ cancel_work_sync(&wl->firmware_load);
mutex_lock(&wl->mutex);
dev = wl->current_dev;
if (!dev || b43_status(dev) < B43_STAT_STARTED) {
@@ -4564,8 +4554,6 @@ static void b43_set_pretbtt(struct b43_wldev *dev)
/* Locking: wl->mutex */
static void b43_wireless_core_exit(struct b43_wldev *dev)
{
- u32 macctl;
-
B43_WARN_ON(dev && b43_status(dev) > B43_STAT_INITIALIZED);
if (!dev || b43_status(dev) != B43_STAT_INITIALIZED)
return;
@@ -4576,10 +4564,8 @@ static void b43_wireless_core_exit(struct b43_wldev *dev)
b43_set_status(dev, B43_STAT_UNINIT);
/* Stop the microcode PSM. */
- macctl = b43_read32(dev, B43_MMIO_MACCTL);
- macctl &= ~B43_MACCTL_PSM_RUN;
- macctl |= B43_MACCTL_PSM_JMP0;
- b43_write32(dev, B43_MMIO_MACCTL, macctl);
+ b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_PSM_RUN,
+ B43_MACCTL_PSM_JMP0);
b43_dma_free(dev);
b43_pio_free(dev);
@@ -5341,16 +5327,13 @@ static int b43_bcma_probe(struct bcma_device *core)
if (err)
goto bcma_err_wireless_exit;
- err = ieee80211_register_hw(wl->hw);
- if (err)
- goto bcma_err_one_core_detach;
- b43_leds_register(wl->current_dev);
+ /* setup and start work to load firmware */
+ INIT_WORK(&wl->firmware_load, b43_request_firmware);
+ schedule_work(&wl->firmware_load);
bcma_out:
return err;
-bcma_err_one_core_detach:
- b43_one_core_detach(dev);
bcma_err_wireless_exit:
ieee80211_free_hw(wl->hw);
return err;
@@ -5417,18 +5400,13 @@ int b43_ssb_probe(struct ssb_device *sdev, const struct ssb_device_id *id)
if (err)
goto err_wireless_exit;
- if (first) {
- err = ieee80211_register_hw(wl->hw);
- if (err)
- goto err_one_core_detach;
- b43_leds_register(wl->current_dev);
- }
+ /* setup and start work to load firmware */
+ INIT_WORK(&wl->firmware_load, b43_request_firmware);
+ schedule_work(&wl->firmware_load);
out:
return err;
- err_one_core_detach:
- b43_one_core_detach(dev);
err_wireless_exit:
if (first)
b43_wireless_exit(dev, wl);