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rt2x00: Fix radio off hang issue for PCIE interface

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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>
This commit is contained in:
RA-Jay Hung
2011-01-10 11:27:43 +01:00
committed by John W. Linville
parent 9d52501b42
commit 7f6e144fb9
2 changed files with 10 additions and 32 deletions
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6
drivers/net/wireless/rt2x00/rt2800lib.c
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@@ -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);