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authorRobert Richter2010-10-15 12:45:00 +0200
committerRobert Richter2010-10-15 12:45:00 +0200
commit6268464b370e234e0255330190f9bd5d19386ad7 (patch)
tree5742641092ce64227dd2086d78baaede57da1f80 /drivers/spi/spi_mpc8xxx.c
parent7df01d96b295e400167e78061b81d4c91630b12d (diff)
parent0fdf13606b67f830559abdaad15980c7f4f05ec4 (diff)
Merge remote branch 'tip/perf/core' into oprofile/core
Conflicts: arch/arm/oprofile/common.c kernel/perf_event.c
Diffstat (limited to 'drivers/spi/spi_mpc8xxx.c')
-rw-r--r--drivers/spi/spi_mpc8xxx.c10
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);