diff options
| author | Grant Likely <grant.likely@secretlab.ca> | 2010-10-13 07:38:02 +0400 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2010-10-13 07:38:02 +0400 |
| commit | 492c032beccd53f807811b6c14909630d409dd8c (patch) | |
| tree | 208550c6ccecb8f1b4f85edb91702ca2bdef855e /drivers/spi/spi_mpc8xxx.c | |
| parent | f9d629c737cb6687216a0c540b5466a4bd8b070a (diff) | |
| parent | cb655d0f3d57c23db51b981648e452988c0223f9 (diff) | |
| download | linux-492c032beccd53f807811b6c14909630d409dd8c.tar.xz | |
Merge commit 'v2.6.36-rc7' into spi/next
Diffstat (limited to 'drivers/spi/spi_mpc8xxx.c')
| -rw-r--r-- | drivers/spi/spi_mpc8xxx.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/spi/spi_mpc8xxx.c b/drivers/spi/spi_mpc8xxx.c index d31b57f7baaf..1dd86b835cd8 100644 --- a/drivers/spi/spi_mpc8xxx.c +++ b/drivers/spi/spi_mpc8xxx.c @@ -408,11 +408,17 @@ static void mpc8xxx_spi_cpm_bufs_start(struct mpc8xxx_spi *mspi) xfer_ofs = mspi->xfer_in_progress->len - mspi->count; - out_be32(&rx_bd->cbd_bufaddr, mspi->rx_dma + xfer_ofs); + if (mspi->rx_dma == mspi->dma_dummy_rx) + out_be32(&rx_bd->cbd_bufaddr, mspi->rx_dma); + else + out_be32(&rx_bd->cbd_bufaddr, mspi->rx_dma + xfer_ofs); out_be16(&rx_bd->cbd_datlen, 0); out_be16(&rx_bd->cbd_sc, BD_SC_EMPTY | BD_SC_INTRPT | BD_SC_WRAP); - out_be32(&tx_bd->cbd_bufaddr, mspi->tx_dma + xfer_ofs); + if (mspi->tx_dma == mspi->dma_dummy_tx) + out_be32(&tx_bd->cbd_bufaddr, mspi->tx_dma); + else + out_be32(&tx_bd->cbd_bufaddr, mspi->tx_dma + xfer_ofs); out_be16(&tx_bd->cbd_datlen, xfer_len); out_be16(&tx_bd->cbd_sc, BD_SC_READY | BD_SC_INTRPT | BD_SC_WRAP | BD_SC_LAST); |