summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/rt2x00
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2010-01-19 11:43:42 -0800
committerDavid S. Miller <davem@davemloft.net>2010-01-19 11:43:42 -0800
commit6373464288cab09bc641be301d8d30fc9f64ba71 (patch)
treec1bc92dc630aa15da2e12bc0d09c92169817a702 /drivers/net/wireless/rt2x00
parent6d955180b2f9ccff444df06265160868cabb289a (diff)
parent730dd70549e0ec755dd55615ba5cfc38a482a947 (diff)
downloadop-kernel-dev-6373464288cab09bc641be301d8d30fc9f64ba71.zip
op-kernel-dev-6373464288cab09bc641be301d8d30fc9f64ba71.tar.gz
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
Conflicts: drivers/net/wireless/iwlwifi/iwl-core.h
Diffstat (limited to 'drivers/net/wireless/rt2x00')
-rw-r--r--drivers/net/wireless/rt2x00/rt2800lib.c29
-rw-r--r--drivers/net/wireless/rt2x00/rt2800lib.h3
-rw-r--r--drivers/net/wireless/rt2x00/rt2800pci.c24
-rw-r--r--drivers/net/wireless/rt2x00/rt2800usb.c22
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00.h6
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00dev.c12
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00queue.c6
7 files changed, 50 insertions, 52 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 8ff7db8..529a373 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -245,6 +245,25 @@ void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev,
}
EXPORT_SYMBOL_GPL(rt2800_mcu_request);
+int rt2800_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev)
+{
+ unsigned int i;
+ u32 reg;
+
+ for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+ rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
+ if (!rt2x00_get_field32(reg, WPDMA_GLO_CFG_TX_DMA_BUSY) &&
+ !rt2x00_get_field32(reg, WPDMA_GLO_CFG_RX_DMA_BUSY))
+ return 0;
+
+ msleep(1);
+ }
+
+ ERROR(rt2x00dev, "WPDMA TX/RX busy, aborting.\n");
+ return -EACCES;
+}
+EXPORT_SYMBOL_GPL(rt2800_wait_wpdma_ready);
+
#ifdef CONFIG_RT2X00_LIB_DEBUGFS
const struct rt2x00debug rt2800_rt2x00debug = {
.owner = THIS_MODULE,
@@ -339,7 +358,7 @@ static int rt2800_blink_set(struct led_classdev *led_cdev,
rt2x00_set_field32(&reg, LED_CFG_OFF_PERIOD, *delay_off);
rt2x00_set_field32(&reg, LED_CFG_SLOW_BLINK_PERIOD, 3);
rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE, 3);
- rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, 12);
+ rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, 3);
rt2x00_set_field32(&reg, LED_CFG_Y_LED_MODE, 3);
rt2x00_set_field32(&reg, LED_CFG_LED_POLAR, 1);
rt2800_register_write(led->rt2x00dev, LED_CFG, reg);
@@ -347,7 +366,7 @@ static int rt2800_blink_set(struct led_classdev *led_cdev,
return 0;
}
-void rt2800_init_led(struct rt2x00_dev *rt2x00dev,
+static void rt2800_init_led(struct rt2x00_dev *rt2x00dev,
struct rt2x00_led *led, enum led_type type)
{
led->rt2x00dev = rt2x00dev;
@@ -356,7 +375,6 @@ void rt2800_init_led(struct rt2x00_dev *rt2x00dev,
led->led_dev.blink_set = rt2800_blink_set;
led->flags = LED_INITIALIZED;
}
-EXPORT_SYMBOL_GPL(rt2800_init_led);
#endif /* CONFIG_RT2X00_LIB_LEDS */
/*
@@ -1862,7 +1880,8 @@ int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
!rt2x00_rf(rt2x00dev, RF3020) &&
!rt2x00_rf(rt2x00dev, RF2020) &&
!rt2x00_rf(rt2x00dev, RF3021) &&
- !rt2x00_rf(rt2x00dev, RF3022)) {
+ !rt2x00_rf(rt2x00dev, RF3022) &&
+ !rt2x00_rf(rt2x00dev, RF3052)) {
ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
return -ENODEV;
}
@@ -2047,7 +2066,7 @@ int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
if (rt2x00_rf(rt2x00dev, RF2820) ||
rt2x00_rf(rt2x00dev, RF2720) ||
- (rt2x00_intf_is_pci(rt2x00dev) && rt2x00_rf(rt2x00dev, RF3052))) {
+ rt2x00_rf(rt2x00dev, RF3052)) {
spec->num_channels = 14;
spec->channels = rf_vals;
} else if (rt2x00_rf(rt2x00dev, RF2850) || rt2x00_rf(rt2x00dev, RF2750)) {
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.h b/drivers/net/wireless/rt2x00/rt2800lib.h
index 535ce22..ebabeae 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.h
+++ b/drivers/net/wireless/rt2x00/rt2800lib.h
@@ -114,8 +114,6 @@ void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev,
extern const struct rt2x00debug rt2800_rt2x00debug;
int rt2800_rfkill_poll(struct rt2x00_dev *rt2x00dev);
-void rt2800_init_led(struct rt2x00_dev *rt2x00dev,
- struct rt2x00_led *led, enum led_type type);
int rt2800_config_shared_key(struct rt2x00_dev *rt2x00dev,
struct rt2x00lib_crypto *crypto,
struct ieee80211_key_conf *key);
@@ -139,6 +137,7 @@ void rt2800_link_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual,
int rt2800_init_registers(struct rt2x00_dev *rt2x00dev);
int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev);
int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev);
+int rt2800_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev);
int rt2800_efuse_detect(struct rt2x00_dev *rt2x00dev);
void rt2800_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev);
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index 99095e1..d64181c 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -453,24 +453,6 @@ static void rt2800pci_toggle_irq(struct rt2x00_dev *rt2x00dev,
rt2800_register_write(rt2x00dev, INT_MASK_CSR, reg);
}
-static int rt2800pci_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev)
-{
- unsigned int i;
- u32 reg;
-
- for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
- rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
- if (!rt2x00_get_field32(reg, WPDMA_GLO_CFG_TX_DMA_BUSY) &&
- !rt2x00_get_field32(reg, WPDMA_GLO_CFG_RX_DMA_BUSY))
- return 0;
-
- msleep(1);
- }
-
- ERROR(rt2x00dev, "WPDMA TX/RX busy, aborting.\n");
- return -EACCES;
-}
-
static int rt2800pci_enable_radio(struct rt2x00_dev *rt2x00dev)
{
u32 reg;
@@ -479,10 +461,10 @@ static int rt2800pci_enable_radio(struct rt2x00_dev *rt2x00dev)
/*
* Initialize all registers.
*/
- if (unlikely(rt2800pci_wait_wpdma_ready(rt2x00dev) ||
+ if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) ||
rt2800pci_init_queues(rt2x00dev) ||
rt2800_init_registers(rt2x00dev) ||
- rt2800pci_wait_wpdma_ready(rt2x00dev) ||
+ rt2800_wait_wpdma_ready(rt2x00dev) ||
rt2800_init_bbp(rt2x00dev) ||
rt2800_init_rfcsr(rt2x00dev)))
return -EIO;
@@ -562,7 +544,7 @@ static void rt2800pci_disable_radio(struct rt2x00_dev *rt2x00dev)
rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00);
/* Wait for DMA, ignore error */
- rt2800pci_wait_wpdma_ready(rt2x00dev);
+ rt2800_wait_wpdma_ready(rt2x00dev);
}
static int rt2800pci_set_state(struct rt2x00_dev *rt2x00dev,
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 0510f02..82755cf 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -248,24 +248,6 @@ static void rt2800usb_toggle_rx(struct rt2x00_dev *rt2x00dev,
rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
}
-static int rt2800usb_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev)
-{
- unsigned int i;
- u32 reg;
-
- for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
- rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
- if (!rt2x00_get_field32(reg, WPDMA_GLO_CFG_TX_DMA_BUSY) &&
- !rt2x00_get_field32(reg, WPDMA_GLO_CFG_RX_DMA_BUSY))
- return 0;
-
- msleep(1);
- }
-
- ERROR(rt2x00dev, "WPDMA TX/RX busy, aborting.\n");
- return -EACCES;
-}
-
static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev)
{
u32 reg;
@@ -274,7 +256,7 @@ static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev)
/*
* Initialize all registers.
*/
- if (unlikely(rt2800usb_wait_wpdma_ready(rt2x00dev) ||
+ if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) ||
rt2800_init_registers(rt2x00dev) ||
rt2800_init_bbp(rt2x00dev) ||
rt2800_init_rfcsr(rt2x00dev)))
@@ -344,7 +326,7 @@ static void rt2800usb_disable_radio(struct rt2x00_dev *rt2x00dev)
rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0);
/* Wait for DMA, ignore error */
- rt2800usb_wait_wpdma_ready(rt2x00dev);
+ rt2800_wait_wpdma_ready(rt2x00dev);
rt2x00usb_disable_radio(rt2x00dev);
}
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index b4c6e0a..096da85a 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -119,6 +119,12 @@
( ((unsigned long)((__skb)->data + (__header))) & 3 )
/*
+ * Constants for extra TX headroom for alignment purposes.
+ */
+#define RT2X00_ALIGN_SIZE 4 /* Only whole frame needs alignment */
+#define RT2X00_L2PAD_SIZE 8 /* Both header & payload need alignment */
+
+/*
* Standard timing and size defines.
* These values should follow the ieee80211 specifications.
*/
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index d7711e4..b93731b 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -688,7 +688,17 @@ static int rt2x00lib_probe_hw(struct rt2x00_dev *rt2x00dev)
/*
* Initialize extra TX headroom required.
*/
- rt2x00dev->hw->extra_tx_headroom = rt2x00dev->ops->extra_tx_headroom;
+ rt2x00dev->hw->extra_tx_headroom =
+ max_t(unsigned int, IEEE80211_TX_STATUS_HEADROOM,
+ rt2x00dev->ops->extra_tx_headroom);
+
+ /*
+ * Take TX headroom required for alignment into account.
+ */
+ if (test_bit(DRIVER_REQUIRE_L2PAD, &rt2x00dev->flags))
+ rt2x00dev->hw->extra_tx_headroom += RT2X00_L2PAD_SIZE;
+ else if (test_bit(DRIVER_REQUIRE_DMA, &rt2x00dev->flags))
+ rt2x00dev->hw->extra_tx_headroom += RT2X00_ALIGN_SIZE;
/*
* Register HW.
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c
index 3d8fb68..0b4801a 100644
--- a/drivers/net/wireless/rt2x00/rt2x00queue.c
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
@@ -104,7 +104,7 @@ void rt2x00queue_map_txskb(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb)
* is also mapped to the DMA so it can be used for transfering
* additional descriptor information to the hardware.
*/
- skb_push(skb, rt2x00dev->hw->extra_tx_headroom);
+ skb_push(skb, rt2x00dev->ops->extra_tx_headroom);
skbdesc->skb_dma =
dma_map_single(rt2x00dev->dev, skb->data, skb->len, DMA_TO_DEVICE);
@@ -112,7 +112,7 @@ void rt2x00queue_map_txskb(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb)
/*
* Restore data pointer to original location again.
*/
- skb_pull(skb, rt2x00dev->hw->extra_tx_headroom);
+ skb_pull(skb, rt2x00dev->ops->extra_tx_headroom);
skbdesc->flags |= SKBDESC_DMA_MAPPED_TX;
}
@@ -134,7 +134,7 @@ void rt2x00queue_unmap_skb(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb)
* by the driver, but it was actually mapped to DMA.
*/
dma_unmap_single(rt2x00dev->dev, skbdesc->skb_dma,
- skb->len + rt2x00dev->hw->extra_tx_headroom,
+ skb->len + rt2x00dev->ops->extra_tx_headroom,
DMA_TO_DEVICE);
skbdesc->flags &= ~SKBDESC_DMA_MAPPED_TX;
}
OpenPOWER on IntegriCloud