commit 30b3a23c2594e122e7086f97b5252a87eaf8a817
author Ivo van Doorn <ivdoorn@gmail.com> Sun Feb 17 17:33:24 2008 +0100
committer John W. Linville <linville@tuxdriver.com> Fri Feb 29 15:37:22 2008 -0500
tree 6c97b928fce785471236543fe71bce3b6d0324cb
parent e542239f639fa4e7b13a949d39d44ff1eccf7e3a

rt2x00: Fix Descriptor DMA initialization

As Adam Baker reported the DMA address for the
descriptor base was incorrectly initialized in
the PCI drivers.

Instead of the DMA base for the descriptor, the
DMA base for the data was passed resulting in a
broken TX/RX state for PCI drivers.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/rt2x00/rt61pci.c

diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index 75f61f3..dcc694e 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -975,7 +975,8 @@
 	u32 word;
 
 	rt2x00_desc_read(priv_rx->desc, 5, &word);
-	rt2x00_set_field32(&word, RXD_W5_BUFFER_PHYSICAL_ADDRESS, priv_rx->dma);
+	rt2x00_set_field32(&word, RXD_W5_BUFFER_PHYSICAL_ADDRESS,
+			   priv_rx->data_dma);
 	rt2x00_desc_write(priv_rx->desc, 5, word);
 
 	rt2x00_desc_read(priv_rx->desc, 0, &word);
@@ -999,7 +1000,8 @@
 	rt2x00_desc_write(priv_tx->desc, 5, word);
 
 	rt2x00_desc_read(priv_tx->desc, 6, &word);
-	rt2x00_set_field32(&word, TXD_W6_BUFFER_PHYSICAL_ADDRESS, priv_tx->dma);
+	rt2x00_set_field32(&word, TXD_W6_BUFFER_PHYSICAL_ADDRESS,
+			   priv_tx->data_dma);
 	rt2x00_desc_write(priv_tx->desc, 6, word);
 
 	rt2x00_desc_read(priv_tx->desc, 0, &word);
@@ -1035,22 +1037,26 @@
 
 	priv_tx = rt2x00dev->tx[0].entries[0].priv_data;
 	rt2x00pci_register_read(rt2x00dev, AC0_BASE_CSR, &reg);
-	rt2x00_set_field32(&reg, AC0_BASE_CSR_RING_REGISTER, priv_tx->dma);
+	rt2x00_set_field32(&reg, AC0_BASE_CSR_RING_REGISTER,
+			   priv_tx->desc_dma);
 	rt2x00pci_register_write(rt2x00dev, AC0_BASE_CSR, reg);
 
 	priv_tx = rt2x00dev->tx[1].entries[0].priv_data;
 	rt2x00pci_register_read(rt2x00dev, AC1_BASE_CSR, &reg);
-	rt2x00_set_field32(&reg, AC1_BASE_CSR_RING_REGISTER, priv_tx->dma);
+	rt2x00_set_field32(&reg, AC1_BASE_CSR_RING_REGISTER,
+			   priv_tx->desc_dma);
 	rt2x00pci_register_write(rt2x00dev, AC1_BASE_CSR, reg);
 
 	priv_tx = rt2x00dev->tx[2].entries[0].priv_data;
 	rt2x00pci_register_read(rt2x00dev, AC2_BASE_CSR, &reg);
-	rt2x00_set_field32(&reg, AC2_BASE_CSR_RING_REGISTER, priv_tx->dma);
+	rt2x00_set_field32(&reg, AC2_BASE_CSR_RING_REGISTER,
+			   priv_tx->desc_dma);
 	rt2x00pci_register_write(rt2x00dev, AC2_BASE_CSR, reg);
 
 	priv_tx = rt2x00dev->tx[3].entries[0].priv_data;
 	rt2x00pci_register_read(rt2x00dev, AC3_BASE_CSR, &reg);
-	rt2x00_set_field32(&reg, AC3_BASE_CSR_RING_REGISTER, priv_tx->dma);
+	rt2x00_set_field32(&reg, AC3_BASE_CSR_RING_REGISTER,
+			   priv_tx->desc_dma);
 	rt2x00pci_register_write(rt2x00dev, AC3_BASE_CSR, reg);
 
 	rt2x00pci_register_read(rt2x00dev, RX_RING_CSR, &reg);
@@ -1062,7 +1068,8 @@
 
 	priv_rx = rt2x00dev->rx->entries[0].priv_data;
 	rt2x00pci_register_read(rt2x00dev, RX_BASE_CSR, &reg);
-	rt2x00_set_field32(&reg, RX_BASE_CSR_RING_REGISTER, priv_rx->dma);
+	rt2x00_set_field32(&reg, RX_BASE_CSR_RING_REGISTER,
+			   priv_rx->desc_dma);
 	rt2x00pci_register_write(rt2x00dev, RX_BASE_CSR, reg);
 
 	rt2x00pci_register_read(rt2x00dev, TX_DMA_DST_CSR, &reg);