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Commit 989cd445 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

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
parents 4a73a437 2b7a32f7

drivers/spi/spi.c

+5 −0
Original line number Diff line number Diff line
@@ -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);

drivers/spi/spi_gpio.c

+1 −1
Original line number Diff line number Diff line
@@ -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;

drivers/spi/spi_mpc8xxx.c

+8 −2
Original line number Diff line number Diff line
@@ -408,10 +408,16 @@ static void mpc8xxx_spi_cpm_bufs_start(struct mpc8xxx_spi *mspi) 


	xfer_ofs = mspi->xfer_in_progress->len - mspi->count;



	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);



	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 |