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of/spi: call of_register_spi_devices() from spi core code 

Move of_register_spi_devices() call from drivers to
spi_register_master(). Also change the function to use
the struct device_node pointer from master spi device
instead of passing it as function argument.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
hifive-unleashed-5.1
Anatolij Gustschin 2010-07-27 22:35:58 +02:00 committed by Grant Likely
parent 559e2b7ee7
commit 12b15e8328
10 changed files with 27 additions and 24 deletions
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10
drivers/of/of_spi.c
View File

@ -15,12 +15,11 @@
/**
* of_register_spi_devices - Register child devices onto the SPI bus
* @master: Pointer to spi_master device
* @np: parent node of SPI device nodes
*
* Registers an spi_device for each child node of 'np' which has a 'reg'
* Registers an spi_device for each child node of master node which has a 'reg'
* property.
*/
void of_register_spi_devices(struct spi_master *master, struct device_node *np)
void of_register_spi_devices(struct spi_master *master)
{
struct spi_device *spi;
struct device_node *nc;
@ -28,7 +27,10 @@ void of_register_spi_devices(struct spi_master *master, struct device_node *np)
int rc;
int len;
for_each_child_of_node(np, nc) {
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) {

1
drivers/spi/mpc512x_psc_spi.c
View File

@ -440,6 +440,7 @@ static int __init mpc512x_psc_spi_do_probe(struct device *dev, u32 regaddr,
master->setup = mpc512x_psc_spi_setup;
master->transfer = mpc512x_psc_spi_transfer;
master->cleanup = mpc512x_psc_spi_cleanup;
master->dev.of_node = dev->of_node;
tempp = ioremap(regaddr, size);
if (!tempp) {

10
drivers/spi/mpc52xx_psc_spi.c
View File

@ -17,7 +17,6 @@
#include <linux/errno.h>
#include <linux/interrupt.h>
#include <linux/of_platform.h>
#include <linux/of_spi.h>
#include <linux/workqueue.h>
#include <linux/completion.h>
#include <linux/io.h>
@ -398,6 +397,7 @@ static int __init mpc52xx_psc_spi_do_probe(struct device *dev, u32 regaddr,
master->setup = mpc52xx_psc_spi_setup;
master->transfer = mpc52xx_psc_spi_transfer;
master->cleanup = mpc52xx_psc_spi_cleanup;
master->dev.of_node = dev->of_node;
mps->psc = ioremap(regaddr, size);
if (!mps->psc) {
@ -470,7 +470,6 @@ static int __init mpc52xx_psc_spi_of_probe(struct of_device *op,
const u32 *regaddr_p;
u64 regaddr64, size64;
s16 id = -1;
int rc;
regaddr_p = of_get_address(op->dev.of_node, 0, &size64, NULL);
if (!regaddr_p) {
@ -491,13 +490,8 @@ static int __init mpc52xx_psc_spi_of_probe(struct of_device *op,
id = *psc_nump + 1;
}
rc = mpc52xx_psc_spi_do_probe(&op->dev, (u32)regaddr64, (u32)size64,
return mpc52xx_psc_spi_do_probe(&op->dev, (u32)regaddr64, (u32)size64,
irq_of_parse_and_map(op->dev.of_node, 0), id);
if (rc == 0)
of_register_spi_devices(dev_get_drvdata(&op->dev),
op->dev.of_node);
return rc;
}
static int __exit mpc52xx_psc_spi_of_remove(struct of_device *op)

3
drivers/spi/mpc52xx_spi.c
View File

@ -18,7 +18,6 @@
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/spi/spi.h>
#include <linux/of_spi.h>
#include <linux/io.h>
#include <linux/of_gpio.h>
#include <linux/slab.h>
@ -439,6 +438,7 @@ static int __devinit mpc52xx_spi_probe(struct of_device *op,
master->setup = mpc52xx_spi_setup;
master->transfer = mpc52xx_spi_transfer;
master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_LSB_FIRST;
master->dev.of_node = op->dev.of_node;
dev_set_drvdata(&op->dev, master);
@ -512,7 +512,6 @@ static int __devinit mpc52xx_spi_probe(struct of_device *op,
if (rc)
goto err_register;
of_register_spi_devices(master, op->dev.of_node);
dev_info(&ms->master->dev, "registered MPC5200 SPI bus\n");
return rc;

4
drivers/spi/spi.c
View File

@ -26,6 +26,7 @@
#include <linux/slab.h>
#include <linux/mod_devicetable.h>
#include <linux/spi/spi.h>
#include <linux/of_spi.h>
/* SPI bustype and spi_master class are registered after board init code
@ -540,6 +541,9 @@ int spi_register_master(struct spi_master *master)
/* populate children from any spi device tables */
scan_boardinfo(master);
status = 0;
/* Register devices from the device tree */
of_register_spi_devices(master);
done:
return status;
}

4
drivers/spi/spi_mpc8xxx.c
View File

@ -38,7 +38,6 @@
#include <linux/of_platform.h>
#include <linux/gpio.h>
#include <linux/of_gpio.h>
#include <linux/of_spi.h>
#include <linux/slab.h>
#include <sysdev/fsl_soc.h>
@ -1009,6 +1008,7 @@ mpc8xxx_spi_probe(struct device *dev, struct resource *mem, unsigned int irq)
master->setup = mpc8xxx_spi_setup;
master->transfer = mpc8xxx_spi_transfer;
master->cleanup = mpc8xxx_spi_cleanup;
master->dev.of_node = dev->of_node;
mpc8xxx_spi = spi_master_get_devdata(master);
mpc8xxx_spi->dev = dev;
@ -1299,8 +1299,6 @@ static int __devinit of_mpc8xxx_spi_probe(struct of_device *ofdev,
goto err;
}
of_register_spi_devices(master, np);
return 0;
err:

2
drivers/spi/spi_ppc4xx.c
View File

@ -407,6 +407,7 @@ static int __init spi_ppc4xx_of_probe(struct of_device *op,
master = spi_alloc_master(dev, sizeof *hw);
if (master == NULL)
return -ENOMEM;
master->dev.of_node = np;
dev_set_drvdata(dev, master);
hw = spi_master_get_devdata(master);
hw->master = spi_master_get(master);
@ -545,7 +546,6 @@ static int __init spi_ppc4xx_of_probe(struct of_device *op,
}
dev_info(dev, "driver initialized\n");
of_register_spi_devices(master, np);
return 0;

3
drivers/spi/xilinx_spi.c
View File

@ -390,6 +390,9 @@ struct spi_master *xilinx_spi_init(struct device *dev, struct resource *mem,
master->bus_num = bus_num;
master->num_chipselect = pdata->num_chipselect;
#ifdef CONFIG_OF
master->dev.of_node = dev->of_node;
#endif
xspi->mem = *mem;
xspi->irq = irq;

3
drivers/spi/xilinx_spi_of.c
View File

@ -80,9 +80,6 @@ static int __devinit xilinx_spi_of_probe(struct of_device *ofdev,
dev_set_drvdata(&ofdev->dev, master);
/* Add any subnodes on the SPI bus */
of_register_spi_devices(master, ofdev->dev.of_node);
return 0;
}

11
include/linux/of_spi.h
View File

@ -9,10 +9,15 @@
#ifndef __LINUX_OF_SPI_H
#define __LINUX_OF_SPI_H
#include <linux/of.h>
#include <linux/spi/spi.h>
extern void of_register_spi_devices(struct spi_master *master,
struct device_node *np);
#if defined(CONFIG_OF_SPI) || defined(CONFIG_OF_SPI_MODULE)
extern void of_register_spi_devices(struct spi_master *master);
#else
static inline void of_register_spi_devices(struct spi_master *master)
{
return;
}
#endif /* CONFIG_OF_SPI */
#endif /* __LINUX_OF_SPI */