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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6

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This commit is contained in:
David S. Miller
2010-02-27 02:05:54 -08:00
parent 8266d7127c 9e3bd91908
commit ce300c7ffa
14 changed files with 62 additions and 77 deletions
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17
drivers/net/wireless/b43/Kconfig
View File

@@ -3,7 +3,6 @@ config B43
depends on SSB_POSSIBLE && MAC80211 && HAS_DMA
select SSB
select FW_LOADER
select SSB_BLOCKIO
---help---
b43 is a driver for the Broadcom 43xx series wireless devices.
@@ -79,6 +78,14 @@ config B43_SDIO
If unsure, say N.
#Data transfers to the device via PIO. We want it as a fallback even
# if we can do DMA.
config B43_PIO
bool
depends on B43
select SSB_BLOCKIO
default y
config B43_NPHY
bool "Pre IEEE 802.11n support (BROKEN)"
depends on B43 && EXPERIMENTAL && BROKEN
@@ -130,4 +137,12 @@ config B43_DEBUG
for production use.
Only say Y, if you are debugging a problem in the b43 driver sourcecode.
config B43_FORCE_PIO
bool "Force usage of PIO instead of DMA"
depends on B43 && B43_DEBUG
---help---
This will disable DMA and always enable PIO instead.
Say N!
This is only for debugging the PIO engine code. You do
_NOT_ want to enable this.

7
drivers/net/wireless/b43/b43.h
View File

@@ -702,6 +702,7 @@ struct b43_wldev {
bool radio_hw_enable; /* saved state of radio hardware enabled state */
bool qos_enabled; /* TRUE, if QoS is used. */
bool hwcrypto_enabled; /* TRUE, if HW crypto acceleration is enabled. */
bool use_pio; /* TRUE if next init should use PIO */
/* PHY/Radio device. */
struct b43_phy phy;
@@ -886,6 +887,12 @@ static inline bool b43_using_pio_transfers(struct b43_wldev *dev)
return dev->__using_pio_transfers;
}
#ifdef CONFIG_B43_FORCE_PIO
# define B43_PIO_DEFAULT 1
#else
# define B43_PIO_DEFAULT 0
#endif
/* Message printing */
void b43info(struct b43_wl *wl, const char *fmt, ...)
__attribute__ ((format(printf, 2, 3)));

14
drivers/net/wireless/b43/main.c
View File

@@ -107,9 +107,9 @@ int b43_modparam_verbose = B43_VERBOSITY_DEFAULT;
module_param_named(verbose, b43_modparam_verbose, int, 0644);
MODULE_PARM_DESC(verbose, "Log message verbosity: 0=error, 1=warn, 2=info(default), 3=debug");
static int modparam_pio;
module_param_named(pio, modparam_pio, int, 0444);
MODULE_PARM_DESC(pio, "enable(1) / disable(0) PIO mode");
int b43_modparam_pio = B43_PIO_DEFAULT;
module_param_named(pio, b43_modparam_pio, int, 0644);
MODULE_PARM_DESC(pio, "Use PIO accesses by default: 0=DMA, 1=PIO");
static const struct ssb_device_id b43_ssb_tbl[] = {
SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 5),
@@ -1804,8 +1804,9 @@ static void b43_do_interrupt_thread(struct b43_wldev *dev)
dma_reason[4], dma_reason[5]);
b43err(dev->wl, "This device does not support DMA "
"on your system. Please use PIO instead.\n");
b43err(dev->wl, "Unload the b43 module and reload "
"with 'pio=1'\n");
/* Fall back to PIO transfers if we get fatal DMA errors! */
dev->use_pio = 1;
b43_controller_restart(dev, "DMA error");
return;
}
if (merged_dma_reason & B43_DMAIRQ_NONFATALMASK) {
@@ -4357,7 +4358,7 @@ static int b43_wireless_core_init(struct b43_wldev *dev)
if ((dev->dev->bus->bustype == SSB_BUSTYPE_PCMCIA) ||
(dev->dev->bus->bustype == SSB_BUSTYPE_SDIO) ||
modparam_pio) {
dev->use_pio) {
dev->__using_pio_transfers = 1;
err = b43_pio_init(dev);
} else {
@@ -4824,6 +4825,7 @@ static int b43_one_core_attach(struct ssb_device *dev, struct b43_wl *wl)
if (!wldev)
goto out;
wldev->use_pio = b43_modparam_pio;
wldev->dev = dev;
wldev->wl = wl;
b43_set_status(wldev, B43_STAT_UNINIT);