From 30b3a23c2594e122e7086f97b5252a87eaf8a817 Mon Sep 17 00:00:00 2001 From: Ivo van Doorn Date: Sun, 17 Feb 2008 17:33:24 +0100 Subject: 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 Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt61pci.c | 21 ++++++++++++++------- 1 file changed, 14 insertions(+), 7 deletions(-) (limited to 'drivers/net/wireless/rt2x00/rt61pci.c') diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c index 75f61f3c47b6..dcc694eb8b3b 100644 --- a/drivers/net/wireless/rt2x00/rt61pci.c +++ b/drivers/net/wireless/rt2x00/rt61pci.c @@ -975,7 +975,8 @@ static void rt61pci_init_rxentry(struct rt2x00_dev *rt2x00dev, 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 @@ static void rt61pci_init_txentry(struct rt2x00_dev *rt2x00dev, 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 @@ static int rt61pci_init_queues(struct rt2x00_dev *rt2x00dev) priv_tx = rt2x00dev->tx[0].entries[0].priv_data; rt2x00pci_register_read(rt2x00dev, AC0_BASE_CSR, ®); - rt2x00_set_field32(®, AC0_BASE_CSR_RING_REGISTER, priv_tx->dma); + rt2x00_set_field32(®, 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, ®); - rt2x00_set_field32(®, AC1_BASE_CSR_RING_REGISTER, priv_tx->dma); + rt2x00_set_field32(®, 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, ®); - rt2x00_set_field32(®, AC2_BASE_CSR_RING_REGISTER, priv_tx->dma); + rt2x00_set_field32(®, 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, ®); - rt2x00_set_field32(®, AC3_BASE_CSR_RING_REGISTER, priv_tx->dma); + rt2x00_set_field32(®, AC3_BASE_CSR_RING_REGISTER, + priv_tx->desc_dma); rt2x00pci_register_write(rt2x00dev, AC3_BASE_CSR, reg); rt2x00pci_register_read(rt2x00dev, RX_RING_CSR, ®); @@ -1062,7 +1068,8 @@ static int rt61pci_init_queues(struct rt2x00_dev *rt2x00dev) priv_rx = rt2x00dev->rx->entries[0].priv_data; rt2x00pci_register_read(rt2x00dev, RX_BASE_CSR, ®); - rt2x00_set_field32(®, RX_BASE_CSR_RING_REGISTER, priv_rx->dma); + rt2x00_set_field32(®, 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, ®); -- cgit v1.2.3