Merge tag 'v3.4-rc6' into spi/next
Linux 3.4-rc6
diff --git a/drivers/of/Kconfig b/drivers/of/Kconfig
index 8e84ce9..f623f17 100644
--- a/drivers/of/Kconfig
+++ b/drivers/of/Kconfig
@@ -67,12 +67,6 @@
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
diff --git a/drivers/of/Makefile b/drivers/of/Makefile
index aa90e60..0040d18 100644
--- a/drivers/of/Makefile
+++ b/drivers/of/Makefile
@@ -7,7 +7,6 @@
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
diff --git a/drivers/of/of_spi.c b/drivers/of/of_spi.c
deleted file mode 100644
index 6dbc074..0000000
--- a/drivers/of/of_spi.c
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * SPI OF support routines
- * Copyright (C) 2008 Secret Lab Technologies Ltd.
- *
- * Support routines for deriving SPI device attachments from the device
- * tree.
- */
-
-#include <linux/module.h>
-#include <linux/of.h>
-#include <linux/device.h>
-#include <linux/spi/spi.h>
-#include <linux/of_irq.h>
-#include <linux/of_spi.h>
-
-/**
- * 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.
- */
-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);
- }
-
- }
-}
-EXPORT_SYMBOL(of_register_spi_devices);
diff --git a/drivers/spi/spi-dw-pci.c b/drivers/spi/spi-dw-pci.c
index 14f7cc9..ff81abb 100644
--- a/drivers/spi/spi-dw-pci.c
+++ b/drivers/spi/spi-dw-pci.c
@@ -164,18 +164,7 @@
.resume = spi_resume,
};
-static int __init mrst_spi_init(void)
-{
- return pci_register_driver(&dw_spi_driver);
-}
-
-static void __exit mrst_spi_exit(void)
-{
- pci_unregister_driver(&dw_spi_driver);
-}
-
-module_init(mrst_spi_init);
-module_exit(mrst_spi_exit);
+module_pci_driver(dw_spi_driver);
MODULE_AUTHOR("Feng Tang <feng.tang@intel.com>");
MODULE_DESCRIPTION("PCI interface driver for DW SPI Core");
diff --git a/drivers/spi/spi-fsl-espi.c b/drivers/spi/spi-fsl-espi.c
index 7523a24..27bdc47 100644
--- a/drivers/spi/spi-fsl-espi.c
+++ b/drivers/spi/spi-fsl-espi.c
@@ -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>
diff --git a/drivers/spi/spi-fsl-lib.c b/drivers/spi/spi-fsl-lib.c
index 2674fad..1503574 100644
--- a/drivers/spi/spi-fsl-lib.c
+++ b/drivers/spi/spi-fsl-lib.c
@@ -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"
diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c
index bb9274c..f374eee 100644
--- a/drivers/spi/spi-omap2-mcspi.c
+++ b/drivers/spi/spi-omap2-mcspi.c
@@ -44,9 +44,7 @@
#include <plat/mcspi.h>
#define OMAP2_MCSPI_MAX_FREQ 48000000
-
-/* OMAP2 has 3 SPI controllers, while OMAP3 has 4 */
-#define OMAP2_MCSPI_MAX_CTRL 4
+#define SPI_AUTOSUSPEND_TIMEOUT 2000
#define OMAP2_MCSPI_REVISION 0x00
#define OMAP2_MCSPI_SYSSTATUS 0x14
@@ -111,6 +109,16 @@
#define DMA_MIN_BYTES 160
+/*
+ * Used for context save and restore, structure members to be updated whenever
+ * corresponding registers are modified.
+ */
+struct omap2_mcspi_regs {
+ u32 modulctrl;
+ u32 wakeupenable;
+ struct list_head cs;
+};
+
struct omap2_mcspi {
struct work_struct work;
/* lock protects queue and registers */
@@ -122,8 +130,9 @@
unsigned long phys;
/* SPI1 has 4 channels, while SPI2 has 2 */
struct omap2_mcspi_dma *dma_channels;
- struct device *dev;
+ struct device *dev;
struct workqueue_struct *wq;
+ struct omap2_mcspi_regs ctx;
};
struct omap2_mcspi_cs {
@@ -135,17 +144,6 @@
u32 chconf0;
};
-/* used for context save and restore, structure members to be updated whenever
- * corresponding registers are modified.
- */
-struct omap2_mcspi_regs {
- u32 modulctrl;
- u32 wakeupenable;
- struct list_head cs;
-};
-
-static struct omap2_mcspi_regs omap2_mcspi_ctx[OMAP2_MCSPI_MAX_CTRL];
-
#define MOD_REG_BIT(val, mask, set) do { \
if (set) \
val |= mask; \
@@ -236,9 +234,12 @@
static void omap2_mcspi_set_master_mode(struct spi_master *master)
{
+ struct omap2_mcspi *mcspi = spi_master_get_devdata(master);
+ struct omap2_mcspi_regs *ctx = &mcspi->ctx;
u32 l;
- /* setup when switching from (reset default) slave mode
+ /*
+ * Setup when switching from (reset default) slave mode
* to single-channel master mode
*/
l = mcspi_read_reg(master, OMAP2_MCSPI_MODULCTRL);
@@ -247,29 +248,26 @@
MOD_REG_BIT(l, OMAP2_MCSPI_MODULCTRL_SINGLE, 1);
mcspi_write_reg(master, OMAP2_MCSPI_MODULCTRL, l);
- omap2_mcspi_ctx[master->bus_num - 1].modulctrl = l;
+ ctx->modulctrl = l;
}
static void omap2_mcspi_restore_ctx(struct omap2_mcspi *mcspi)
{
- struct spi_master *spi_cntrl;
- struct omap2_mcspi_cs *cs;
- spi_cntrl = mcspi->master;
+ struct spi_master *spi_cntrl = mcspi->master;
+ struct omap2_mcspi_regs *ctx = &mcspi->ctx;
+ struct omap2_mcspi_cs *cs;
/* McSPI: context restore */
- mcspi_write_reg(spi_cntrl, OMAP2_MCSPI_MODULCTRL,
- omap2_mcspi_ctx[spi_cntrl->bus_num - 1].modulctrl);
+ mcspi_write_reg(spi_cntrl, OMAP2_MCSPI_MODULCTRL, ctx->modulctrl);
+ mcspi_write_reg(spi_cntrl, OMAP2_MCSPI_WAKEUPENABLE, ctx->wakeupenable);
- mcspi_write_reg(spi_cntrl, OMAP2_MCSPI_WAKEUPENABLE,
- omap2_mcspi_ctx[spi_cntrl->bus_num - 1].wakeupenable);
-
- list_for_each_entry(cs, &omap2_mcspi_ctx[spi_cntrl->bus_num - 1].cs,
- node)
+ list_for_each_entry(cs, &ctx->cs, node)
__raw_writel(cs->chconf0, cs->base + OMAP2_MCSPI_CHCONF0);
}
static void omap2_mcspi_disable_clocks(struct omap2_mcspi *mcspi)
{
- pm_runtime_put_sync(mcspi->dev);
+ pm_runtime_mark_last_busy(mcspi->dev);
+ pm_runtime_put_autosuspend(mcspi->dev);
}
static int omap2_mcspi_enable_clocks(struct omap2_mcspi *mcspi)
@@ -777,7 +775,8 @@
static int omap2_mcspi_setup(struct spi_device *spi)
{
int ret;
- struct omap2_mcspi *mcspi;
+ struct omap2_mcspi *mcspi = spi_master_get_devdata(spi->master);
+ struct omap2_mcspi_regs *ctx = &mcspi->ctx;
struct omap2_mcspi_dma *mcspi_dma;
struct omap2_mcspi_cs *cs = spi->controller_state;
@@ -787,11 +786,10 @@
return -EINVAL;
}
- mcspi = spi_master_get_devdata(spi->master);
mcspi_dma = &mcspi->dma_channels[spi->chip_select];
if (!cs) {
- cs = kzalloc(sizeof *cs, GFP_KERNEL);
+ cs = devm_kzalloc(&spi->dev , sizeof *cs, GFP_KERNEL);
if (!cs)
return -ENOMEM;
cs->base = mcspi->base + spi->chip_select * 0x14;
@@ -799,8 +797,7 @@
cs->chconf0 = 0;
spi->controller_state = cs;
/* Link this to context save list */
- list_add_tail(&cs->node,
- &omap2_mcspi_ctx[mcspi->master->bus_num - 1].cs);
+ list_add_tail(&cs->node, &ctx->cs);
}
if (mcspi_dma->dma_rx_channel == -1
@@ -833,7 +830,6 @@
cs = spi->controller_state;
list_del(&cs->node);
- kfree(spi->controller_state);
}
if (spi->chip_select < spi->master->num_chipselect) {
@@ -1053,16 +1049,16 @@
static int __init omap2_mcspi_master_setup(struct omap2_mcspi *mcspi)
{
struct spi_master *master = mcspi->master;
- u32 tmp;
- int ret = 0;
+ struct omap2_mcspi_regs *ctx = &mcspi->ctx;
+ int ret = 0;
ret = omap2_mcspi_enable_clocks(mcspi);
if (ret < 0)
return ret;
- tmp = OMAP2_MCSPI_WAKEUPENABLE_WKEN;
- mcspi_write_reg(master, OMAP2_MCSPI_WAKEUPENABLE, tmp);
- omap2_mcspi_ctx[master->bus_num - 1].wakeupenable = tmp;
+ mcspi_write_reg(master, OMAP2_MCSPI_WAKEUPENABLE,
+ OMAP2_MCSPI_WAKEUPENABLE_WKEN);
+ ctx->wakeupenable = OMAP2_MCSPI_WAKEUPENABLE_WKEN;
omap2_mcspi_set_master_mode(master);
omap2_mcspi_disable_clocks(mcspi);
@@ -1102,14 +1098,13 @@
};
MODULE_DEVICE_TABLE(of, omap_mcspi_of_match);
-static int __init omap2_mcspi_probe(struct platform_device *pdev)
+static int __devinit omap2_mcspi_probe(struct platform_device *pdev)
{
struct spi_master *master;
struct omap2_mcspi_platform_config *pdata;
struct omap2_mcspi *mcspi;
struct resource *r;
int status = 0, i;
- char wq_name[20];
u32 regs_offset = 0;
static int bus_num = 1;
struct device_node *node = pdev->dev.of_node;
@@ -1150,8 +1145,7 @@
mcspi = spi_master_get_devdata(master);
mcspi->master = master;
- sprintf(wq_name, "omap2_mcspi/%d", master->bus_num);
- mcspi->wq = alloc_workqueue(wq_name, WQ_MEM_RECLAIM, 1);
+ mcspi->wq = alloc_workqueue(dev_name(&pdev->dev), WQ_MEM_RECLAIM, 1);
if (mcspi->wq == NULL) {
status = -ENOMEM;
goto free_master;
@@ -1166,17 +1160,12 @@
r->start += regs_offset;
r->end += regs_offset;
mcspi->phys = r->start;
- if (!request_mem_region(r->start, resource_size(r),
- dev_name(&pdev->dev))) {
- status = -EBUSY;
- goto free_master;
- }
- mcspi->base = ioremap(r->start, resource_size(r));
+ mcspi->base = devm_request_and_ioremap(&pdev->dev, r);
if (!mcspi->base) {
dev_dbg(&pdev->dev, "can't ioremap MCSPI\n");
status = -ENOMEM;
- goto release_region;
+ goto free_master;
}
mcspi->dev = &pdev->dev;
@@ -1184,14 +1173,14 @@
spin_lock_init(&mcspi->lock);
INIT_LIST_HEAD(&mcspi->msg_queue);
- INIT_LIST_HEAD(&omap2_mcspi_ctx[master->bus_num - 1].cs);
+ INIT_LIST_HEAD(&mcspi->ctx.cs);
mcspi->dma_channels = kcalloc(master->num_chipselect,
sizeof(struct omap2_mcspi_dma),
GFP_KERNEL);
if (mcspi->dma_channels == NULL)
- goto unmap_io;
+ goto free_master;
for (i = 0; i < master->num_chipselect; i++) {
char dma_ch_name[14];
@@ -1224,6 +1213,8 @@
if (status < 0)
goto dma_chnl_free;
+ pm_runtime_use_autosuspend(&pdev->dev);
+ pm_runtime_set_autosuspend_delay(&pdev->dev, SPI_AUTOSUSPEND_TIMEOUT);
pm_runtime_enable(&pdev->dev);
if (status || omap2_mcspi_master_setup(mcspi) < 0)
@@ -1241,23 +1232,17 @@
pm_runtime_disable(&pdev->dev);
dma_chnl_free:
kfree(mcspi->dma_channels);
-unmap_io:
- iounmap(mcspi->base);
-release_region:
- release_mem_region(r->start, resource_size(r));
free_master:
kfree(master);
platform_set_drvdata(pdev, NULL);
return status;
}
-static int __exit omap2_mcspi_remove(struct platform_device *pdev)
+static int __devexit omap2_mcspi_remove(struct platform_device *pdev)
{
struct spi_master *master;
struct omap2_mcspi *mcspi;
struct omap2_mcspi_dma *dma_channels;
- struct resource *r;
- void __iomem *base;
master = dev_get_drvdata(&pdev->dev);
mcspi = spi_master_get_devdata(master);
@@ -1265,12 +1250,8 @@
omap2_mcspi_disable_clocks(mcspi);
pm_runtime_disable(&pdev->dev);
- r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- release_mem_region(r->start, resource_size(r));
- base = mcspi->base;
spi_unregister_master(master);
- iounmap(base);
kfree(dma_channels);
destroy_workqueue(mcspi->wq);
platform_set_drvdata(pdev, NULL);
@@ -1291,13 +1272,12 @@
{
struct spi_master *master = dev_get_drvdata(dev);
struct omap2_mcspi *mcspi = spi_master_get_devdata(master);
- struct omap2_mcspi_cs *cs;
+ struct omap2_mcspi_regs *ctx = &mcspi->ctx;
+ struct omap2_mcspi_cs *cs;
omap2_mcspi_enable_clocks(mcspi);
- list_for_each_entry(cs, &omap2_mcspi_ctx[master->bus_num - 1].cs,
- node) {
+ list_for_each_entry(cs, &ctx->cs, node) {
if ((cs->chconf0 & OMAP2_MCSPI_CHCONF_FORCE) == 0) {
-
/*
* We need to toggle CS state for OMAP take this
* change in account.
@@ -1327,21 +1307,9 @@
.pm = &omap2_mcspi_pm_ops,
.of_match_table = omap_mcspi_of_match,
},
- .remove = __exit_p(omap2_mcspi_remove),
+ .probe = omap2_mcspi_probe,
+ .remove = __devexit_p(omap2_mcspi_remove),
};
-
-static int __init omap2_mcspi_init(void)
-{
- return platform_driver_probe(&omap2_mcspi_driver, omap2_mcspi_probe);
-}
-subsys_initcall(omap2_mcspi_init);
-
-static void __exit omap2_mcspi_exit(void)
-{
- platform_driver_unregister(&omap2_mcspi_driver);
-
-}
-module_exit(omap2_mcspi_exit);
-
+module_platform_driver(omap2_mcspi_driver);
MODULE_LICENSE("GPL");
diff --git a/drivers/spi/spi-ppc4xx.c b/drivers/spi/spi-ppc4xx.c
index 98ec532..d95d307 100644
--- a/drivers/spi/spi-ppc4xx.c
+++ b/drivers/spi/spi-ppc4xx.c
@@ -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>
diff --git a/drivers/spi/spi-pxa2xx-pci.c b/drivers/spi/spi-pxa2xx-pci.c
index 3fb44af..9f6ba34 100644
--- a/drivers/spi/spi-pxa2xx-pci.c
+++ b/drivers/spi/spi-pxa2xx-pci.c
@@ -164,17 +164,7 @@
.remove = __devexit_p(ce4100_spi_remove),
};
-static int __init ce4100_spi_init(void)
-{
- return pci_register_driver(&ce4100_spi_driver);
-}
-module_init(ce4100_spi_init);
-
-static void __exit ce4100_spi_exit(void)
-{
- pci_unregister_driver(&ce4100_spi_driver);
-}
-module_exit(ce4100_spi_exit);
+module_pci_driver(ce4100_spi_driver);
MODULE_DESCRIPTION("CE4100 PCI-SPI glue code for PXA's driver");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 3d8f662..37c555e 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -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
@@ -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>
@@ -798,6 +800,94 @@
/*-------------------------------------------------------------------------*/
+#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;
diff --git a/include/linux/of_spi.h b/include/linux/of_spi.h
deleted file mode 100644
index 9e3e70f..0000000
--- a/include/linux/of_spi.h
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * OpenFirmware SPI support routines
- * Copyright (C) 2008 Secret Lab Technologies Ltd.
- *
- * Support routines for deriving SPI device attachments from the device
- * tree.
- */
-
-#ifndef __LINUX_OF_SPI_H
-#define __LINUX_OF_SPI_H
-
-#include <linux/spi/spi.h>
-
-#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 */