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authorJakub Kicinski <kubakici@wp.pl>2012-04-03 03:40:47 +0200
committerJohn W. Linville <linville@tuxdriver.com>2012-04-13 14:32:47 -0400
commitf7b395e9f898313c2add740af04361e59b06e68b (patch)
treec8bfba646d19807fbc9df8a707233b749722560c
parent5f5460706e5feaef286aacce37647f7e57d026e4 (diff)
rt2800: introduce wpdma_disable function
Introduce wpdma_disable function to simplify the code. Signed-off-by: Jakub Kicinski <kubakici@wp.pl> Reviewed-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/net/wireless/rt2x00/rt2800lib.c32
-rw-r--r--drivers/net/wireless/rt2x00/rt2800lib.h1
-rw-r--r--drivers/net/wireless/rt2x00/rt2800pci.c10
3 files changed, 19 insertions, 24 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 6c0a12ea6a1..8aee6d4f2b9 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -295,6 +295,20 @@ int rt2800_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev)
}
EXPORT_SYMBOL_GPL(rt2800_wait_wpdma_ready);
+void rt2800_disable_wpdma(struct rt2x00_dev *rt2x00dev)
+{
+ u32 reg;
+
+ rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
+ rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
+ rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
+ rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
+ rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
+ rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
+ rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
+}
+EXPORT_SYMBOL_GPL(rt2800_disable_wpdma);
+
static bool rt2800_check_firmware_crc(const u8 *data, const size_t len)
{
u16 fw_crc;
@@ -436,10 +450,7 @@ int rt2800_load_firmware(struct rt2x00_dev *rt2x00dev,
* Disable DMA, will be reenabled later when enabling
* the radio.
*/
- rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
- rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
- rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
- rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
+ rt2800_disable_wpdma(rt2x00dev);
/*
* Initialize firmware.
@@ -2717,13 +2728,7 @@ static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
unsigned int i;
int ret;
- rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
- rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
- rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
- rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
- rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
- rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
- rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
+ rt2800_disable_wpdma(rt2x00dev);
ret = rt2800_drv_init_registers(rt2x00dev);
if (ret)
@@ -3997,10 +4002,7 @@ void rt2800_disable_radio(struct rt2x00_dev *rt2x00dev)
{
u32 reg;
- rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
- rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
- rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
- rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
+ rt2800_disable_wpdma(rt2x00dev);
/* Wait for DMA, ignore error */
rt2800_wait_wpdma_ready(rt2x00dev);
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.h b/drivers/net/wireless/rt2x00/rt2800lib.h
index 419e36cb06b..18a0b67b4c6 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.h
+++ b/drivers/net/wireless/rt2x00/rt2800lib.h
@@ -208,5 +208,6 @@ int rt2800_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
u8 buf_size);
int rt2800_get_survey(struct ieee80211_hw *hw, int idx,
struct survey_info *survey);
+void rt2800_disable_wpdma(struct rt2x00_dev *rt2x00dev);
#endif /* RT2800LIB_H */
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index 0397bbf0ce0..e499389d8cd 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -361,7 +361,6 @@ static void rt2800pci_clear_entry(struct queue_entry *entry)
static int rt2800pci_init_queues(struct rt2x00_dev *rt2x00dev)
{
struct queue_entry_priv_pci *entry_priv;
- u32 reg;
/*
* Initialize registers.
@@ -402,14 +401,7 @@ static int rt2800pci_init_queues(struct rt2x00_dev *rt2x00dev)
rt2x00dev->rx[0].limit - 1);
rt2x00pci_register_write(rt2x00dev, RX_DRX_IDX, 0);
- /*
- * Enable global DMA configuration
- */
- rt2x00pci_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
- rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
- rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
- rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
- rt2x00pci_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
+ rt2800_disable_wpdma(rt2x00dev);
rt2x00pci_register_write(rt2x00dev, DELAY_INT_CFG, 0);