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yaml
---
r: 307642
b: refs/heads/master
c: d57a428
h: refs/heads/master
v: v3
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Grant Likely committed Apr 13, 2012
1 parent b920d06 commit c3a4a3b
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Showing 9 changed files with 93 additions and 134 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 8ebb35fd7ad07ab9a88a35eedd4f89a1e2a8fa55
refs/heads/master: d57a4282d04810417c4ed2a49cbbeda8b3569b18
6 changes: 0 additions & 6 deletions trunk/drivers/of/Kconfig
Original file line number Diff line number Diff line change
Expand Up @@ -67,12 +67,6 @@ config OF_NET
depends on NETDEVICES
def_bool y

config OF_SPI
def_tristate SPI
depends on SPI && !SPARC
help
OpenFirmware SPI accessors

config OF_MDIO
def_tristate PHYLIB
depends on PHYLIB
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1 change: 0 additions & 1 deletion trunk/drivers/of/Makefile
Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,6 @@ obj-$(CONFIG_OF_DEVICE) += device.o platform.o
obj-$(CONFIG_OF_GPIO) += gpio.o
obj-$(CONFIG_OF_I2C) += of_i2c.o
obj-$(CONFIG_OF_NET) += of_net.o
obj-$(CONFIG_OF_SPI) += of_spi.o
obj-$(CONFIG_OF_SELFTEST) += selftest.o
obj-$(CONFIG_OF_MDIO) += of_mdio.o
obj-$(CONFIG_OF_PCI) += of_pci.o
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99 changes: 0 additions & 99 deletions trunk/drivers/of/of_spi.c

This file was deleted.

1 change: 0 additions & 1 deletion trunk/drivers/spi/spi-fsl-espi.c
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Expand Up @@ -17,7 +17,6 @@
#include <linux/mm.h>
#include <linux/of.h>
#include <linux/of_platform.h>
#include <linux/of_spi.h>
#include <linux/interrupt.h>
#include <linux/err.h>
#include <sysdev/fsl_soc.h>
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2 changes: 1 addition & 1 deletion trunk/drivers/spi/spi-fsl-lib.c
Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,7 @@
#include <linux/dma-mapping.h>
#include <linux/mm.h>
#include <linux/of_platform.h>
#include <linux/of_spi.h>
#include <linux/spi/spi.h>
#include <sysdev/fsl_soc.h>

#include "spi-fsl-lib.h"
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1 change: 0 additions & 1 deletion trunk/drivers/spi/spi-ppc4xx.c
Original file line number Diff line number Diff line change
Expand Up @@ -30,7 +30,6 @@
#include <linux/errno.h>
#include <linux/wait.h>
#include <linux/of_platform.h>
#include <linux/of_spi.h>
#include <linux/of_gpio.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
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92 changes: 91 additions & 1 deletion trunk/drivers/spi/spi.c
Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@
* SPI init/core code
*
* Copyright (C) 2005 David Brownell
* Copyright (C) 2008 Secret Lab Technologies Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
Expand All @@ -19,15 +20,16 @@
*/

#include <linux/kernel.h>
#include <linux/kmod.h>
#include <linux/device.h>
#include <linux/init.h>
#include <linux/cache.h>
#include <linux/mutex.h>
#include <linux/of_device.h>
#include <linux/of_irq.h>
#include <linux/slab.h>
#include <linux/mod_devicetable.h>
#include <linux/spi/spi.h>
#include <linux/of_spi.h>
#include <linux/pm_runtime.h>
#include <linux/export.h>
#include <linux/sched.h>
Expand Down Expand Up @@ -798,6 +800,94 @@ static int spi_master_initialize_queue(struct spi_master *master)

/*-------------------------------------------------------------------------*/

#if defined(CONFIG_OF) && !defined(CONFIG_SPARC)
/**
* of_register_spi_devices() - Register child devices onto the SPI bus
* @master: Pointer to spi_master device
*
* Registers an spi_device for each child node of master node which has a 'reg'
* property.
*/
static void of_register_spi_devices(struct spi_master *master)
{
struct spi_device *spi;
struct device_node *nc;
const __be32 *prop;
int rc;
int len;

if (!master->dev.of_node)
return;

for_each_child_of_node(master->dev.of_node, nc) {
/* Alloc an spi_device */
spi = spi_alloc_device(master);
if (!spi) {
dev_err(&master->dev, "spi_device alloc error for %s\n",
nc->full_name);
spi_dev_put(spi);
continue;
}

/* Select device driver */
if (of_modalias_node(nc, spi->modalias,
sizeof(spi->modalias)) < 0) {
dev_err(&master->dev, "cannot find modalias for %s\n",
nc->full_name);
spi_dev_put(spi);
continue;
}

/* Device address */
prop = of_get_property(nc, "reg", &len);
if (!prop || len < sizeof(*prop)) {
dev_err(&master->dev, "%s has no 'reg' property\n",
nc->full_name);
spi_dev_put(spi);
continue;
}
spi->chip_select = be32_to_cpup(prop);

/* Mode (clock phase/polarity/etc.) */
if (of_find_property(nc, "spi-cpha", NULL))
spi->mode |= SPI_CPHA;
if (of_find_property(nc, "spi-cpol", NULL))
spi->mode |= SPI_CPOL;
if (of_find_property(nc, "spi-cs-high", NULL))
spi->mode |= SPI_CS_HIGH;

/* Device speed */
prop = of_get_property(nc, "spi-max-frequency", &len);
if (!prop || len < sizeof(*prop)) {
dev_err(&master->dev, "%s has no 'spi-max-frequency' property\n",
nc->full_name);
spi_dev_put(spi);
continue;
}
spi->max_speed_hz = be32_to_cpup(prop);

/* IRQ */
spi->irq = irq_of_parse_and_map(nc, 0);

/* Store a pointer to the node in the device structure */
of_node_get(nc);
spi->dev.of_node = nc;

/* Register the new device */
request_module(spi->modalias);
rc = spi_add_device(spi);
if (rc) {
dev_err(&master->dev, "spi_device register error %s\n",
nc->full_name);
spi_dev_put(spi);
}

}
}
#else
static void of_register_spi_devices(struct spi_master *master) { }
#endif

static void spi_master_release(struct device *dev)
{
struct spi_master *master;
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23 changes: 0 additions & 23 deletions trunk/include/linux/of_spi.h

This file was deleted.

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