Merge branch 'merge-spi' of git://git.secretlab.ca/git/linux-2.6

* 'merge-spi' of git://git.secretlab.ca/git/linux-2.6:
  of/spi: Fix OF-style driver binding of spi devices
  spi: spi-gpio.c tests SPI_MASTER_NO_RX bit twice, but not SPI_MASTER_NO_TX
  spi/mpc8xxx: fix buffer overrun on large transfers

3 files changed, 14 insertions, 3 deletions

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 0bcf4c1601a2..b5a78a1f4421 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -23,6 +23,7 @@
 #include <linux/init.h>
 #include <linux/cache.h>
 #include <linux/mutex.h>
+#include <linux/of_device.h>
 #include <linux/slab.h>
 #include <linux/mod_devicetable.h>
 #include <linux/spi/spi.h>
@@ -86,6 +87,10 @@ static int spi_match_device(struct device *dev, struct device_driver *drv)
         const struct spi_device *spi = to_spi_device(dev);
         const struct spi_driver *sdrv = to_spi_driver(drv);
 
+        /* Attempt an OF style match */
+        if (of_driver_match_device(dev, drv))
+                return 1;
+
         if (sdrv->id_table)
                 return !!spi_match_id(sdrv->id_table, spi);
 
diff --git a/drivers/spi/spi_gpio.c b/drivers/spi/spi_gpio.c
index e24a63498acb..63e51b011d50 100644
--- a/drivers/spi/spi_gpio.c
+++ b/drivers/spi/spi_gpio.c
@@ -350,7 +350,7 @@ static int __init spi_gpio_probe(struct platform_device *pdev)
         spi_gpio->bitbang.master = spi_master_get(master);
         spi_gpio->bitbang.chipselect = spi_gpio_chipselect;
 
-        if ((master_flags & (SPI_MASTER_NO_RX | SPI_MASTER_NO_RX)) == 0) {
+        if ((master_flags & (SPI_MASTER_NO_TX | SPI_MASTER_NO_RX)) == 0) {
                 spi_gpio->bitbang.txrx_word[SPI_MODE_0] = spi_gpio_txrx_word_mode0;
                 spi_gpio->bitbang.txrx_word[SPI_MODE_1] = spi_gpio_txrx_word_mode1;
                 spi_gpio->bitbang.txrx_word[SPI_MODE_2] = spi_gpio_txrx_word_mode2;
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);