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path: root/drivers/net/wireless/rt2x00/rt2500usb.c
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Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2500usb.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2500usb.c43
1 files changed, 28 insertions, 15 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index fdbd0ef2be4b..d90512f97b39 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -138,11 +138,8 @@ static void rt2500usb_bbp_write(struct rt2x00_dev *rt2x00dev,
* Wait until the BBP becomes ready.
*/
reg = rt2500usb_bbp_check(rt2x00dev);
- if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) {
- ERROR(rt2x00dev, "PHY_CSR8 register busy. Write failed.\n");
- mutex_unlock(&rt2x00dev->usb_cache_mutex);
- return;
- }
+ if (rt2x00_get_field16(reg, PHY_CSR8_BUSY))
+ goto exit_fail;
/*
* Write the data into the BBP.
@@ -155,6 +152,13 @@ static void rt2500usb_bbp_write(struct rt2x00_dev *rt2x00dev,
rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg);
mutex_unlock(&rt2x00dev->usb_cache_mutex);
+
+ return;
+
+exit_fail:
+ mutex_unlock(&rt2x00dev->usb_cache_mutex);
+
+ ERROR(rt2x00dev, "PHY_CSR8 register busy. Write failed.\n");
}
static void rt2500usb_bbp_read(struct rt2x00_dev *rt2x00dev,
@@ -168,10 +172,8 @@ static void rt2500usb_bbp_read(struct rt2x00_dev *rt2x00dev,
* Wait until the BBP becomes ready.
*/
reg = rt2500usb_bbp_check(rt2x00dev);
- if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) {
- ERROR(rt2x00dev, "PHY_CSR8 register busy. Read failed.\n");
- return;
- }
+ if (rt2x00_get_field16(reg, PHY_CSR8_BUSY))
+ goto exit_fail;
/*
* Write the request into the BBP.
@@ -186,17 +188,21 @@ static void rt2500usb_bbp_read(struct rt2x00_dev *rt2x00dev,
* Wait until the BBP becomes ready.
*/
reg = rt2500usb_bbp_check(rt2x00dev);
- if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) {
- ERROR(rt2x00dev, "PHY_CSR8 register busy. Read failed.\n");
- *value = 0xff;
- mutex_unlock(&rt2x00dev->usb_cache_mutex);
- return;
- }
+ if (rt2x00_get_field16(reg, PHY_CSR8_BUSY))
+ goto exit_fail;
rt2500usb_register_read_lock(rt2x00dev, PHY_CSR7, &reg);
*value = rt2x00_get_field16(reg, PHY_CSR7_DATA);
mutex_unlock(&rt2x00dev->usb_cache_mutex);
+
+ return;
+
+exit_fail:
+ mutex_unlock(&rt2x00dev->usb_cache_mutex);
+
+ ERROR(rt2x00dev, "PHY_CSR8 register busy. Read failed.\n");
+ *value = 0xff;
}
static void rt2500usb_rf_write(struct rt2x00_dev *rt2x00dev,
@@ -795,6 +801,13 @@ static int rt2500usb_init_registers(struct rt2x00_dev *rt2x00dev)
rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID1_VALID, 0);
rt2500usb_register_write(rt2x00dev, TXRX_CSR8, reg);
+ rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
+ rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 0);
+ rt2x00_set_field16(&reg, TXRX_CSR19_TSF_SYNC, 0);
+ rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 0);
+ rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 0);
+ rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
+
rt2500usb_register_write(rt2x00dev, TXRX_CSR21, 0xe78f);
rt2500usb_register_write(rt2x00dev, MAC_CSR9, 0xff1d);