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authorRA-Jay Hung <jay_hung@ralinktech.com>2011-01-10 13:27:43 +0300
committerJohn W. Linville <linville@tuxdriver.com>2011-01-19 19:36:07 +0300
commit7f6e144fb99a4a70d3c5ad5f074204c5b89a6f65 (patch)
tree61fb1b2a039e669327bc4b3aee55d5b173a27f91 /drivers/net/wireless/rt2x00/rt2800lib.c
parent9d52501b421450ddd9e000c9788ac3be0e44ef1c (diff)
downloadlinux-7f6e144fb99a4a70d3c5ad5f074204c5b89a6f65.tar.xz
rt2x00: Fix radio off hang issue for PCIE interface
PCI/PCIE radio off behavior is different from SOC/USB. They mainly use MCU command to disable DMA, TX/RX and enter power saving mode. Signed-off-by: RA-Jay Hung <jay_hung@ralinktech.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2800lib.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2800lib.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 54917a281398..e2a528da3641 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -2810,10 +2810,7 @@ void rt2800_disable_radio(struct rt2x00_dev *rt2x00dev)
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);
/* Wait for DMA, ignore error */
@@ -2823,9 +2820,6 @@ void rt2800_disable_radio(struct rt2x00_dev *rt2x00dev)
rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 0);
rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
-
- rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0);
- rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0);
}
EXPORT_SYMBOL_GPL(rt2800_disable_radio);