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authorMarc Dietrich <marvin24@gmx.de>2013-06-21 10:28:54 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-06-24 15:59:03 -0700
commit2c6cbdd0ef966cdf5e93ea17475a577dacf44dd7 (patch)
tree6560cc9b718638671669ba2c05607d7588d24f51 /drivers/staging/nvec
parent2b8d5e5b39a251b99a42cac8eccb268190ff3baf (diff)
staging: nvec: remove instantiating via platform device
Tegra has been converted to support device tree only. Remove support for instantiating via platform device. Signed-off-by: Leon Romanovsky <leon@leon.nu> Signed-off-by: Marc Dietrich <marvin24@gmx.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/nvec')
-rw-r--r--drivers/staging/nvec/nvec.c33
-rw-r--r--drivers/staging/nvec/nvec.h25
2 files changed, 14 insertions, 44 deletions
diff --git a/drivers/staging/nvec/nvec.c b/drivers/staging/nvec/nvec.c
index 197c393c4ca7..8e935a4aafe2 100644
--- a/drivers/staging/nvec/nvec.c
+++ b/drivers/staging/nvec/nvec.c
@@ -33,7 +33,6 @@
#include <linux/mfd/core.h>
#include <linux/mutex.h>
#include <linux/notifier.h>
-#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/workqueue.h>
@@ -776,7 +775,6 @@ static int tegra_nvec_probe(struct platform_device *pdev)
{
int err, ret;
struct clk *i2c_clk;
- struct nvec_platform_data *pdata = pdev->dev.platform_data;
struct nvec_chip *nvec;
struct nvec_msg *msg;
struct resource *res;
@@ -785,6 +783,11 @@ static int tegra_nvec_probe(struct platform_device *pdev)
unmute_speakers[] = { NVEC_OEM0, 0x10, 0x59, 0x95 },
enable_event[7] = { NVEC_SYS, CNF_EVENT_REPORTING, true };
+ if(!pdev->dev.of_node) {
+ dev_err(&pdev->dev, "must be instantiated using device tree\n");
+ return -ENODEV;
+ }
+
nvec = devm_kzalloc(&pdev->dev, sizeof(struct nvec_chip), GFP_KERNEL);
if (nvec == NULL) {
dev_err(&pdev->dev, "failed to reserve memory\n");
@@ -793,23 +796,15 @@ static int tegra_nvec_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, nvec);
nvec->dev = &pdev->dev;
- if (pdata) {
- nvec->gpio = pdata->gpio;
- nvec->i2c_addr = pdata->i2c_addr;
- } else if (nvec->dev->of_node) {
- nvec->gpio = of_get_named_gpio(nvec->dev->of_node,
- "request-gpios", 0);
- if (nvec->gpio < 0) {
- dev_err(&pdev->dev, "no gpio specified");
- return -ENODEV;
- }
- if (of_property_read_u32(nvec->dev->of_node,
- "slave-addr", &nvec->i2c_addr)) {
- dev_err(&pdev->dev, "no i2c address specified");
- return -ENODEV;
- }
- } else {
- dev_err(&pdev->dev, "no platform data\n");
+ nvec->gpio = of_get_named_gpio(nvec->dev->of_node, "request-gpios", 0);
+ if (nvec->gpio < 0) {
+ dev_err(&pdev->dev, "no gpio specified");
+ return -ENODEV;
+ }
+
+ if (of_property_read_u32(nvec->dev->of_node, "slave-addr",
+ &nvec->i2c_addr)) {
+ dev_err(&pdev->dev, "no i2c address specified");
return -ENODEV;
}
diff --git a/drivers/staging/nvec/nvec.h b/drivers/staging/nvec/nvec.h
index 2b1316d87470..e880518935fb 100644
--- a/drivers/staging/nvec/nvec.h
+++ b/drivers/staging/nvec/nvec.h
@@ -103,31 +103,6 @@ struct nvec_msg {
};
/**
- * struct nvec_subdev - A subdevice of nvec, such as nvec_kbd
- * @name: The name of the sub device
- * @platform_data: Platform data
- * @id: Identifier of the sub device
- */
-struct nvec_subdev {
- const char *name;
- void *platform_data;
- int id;
-};
-
-/**
- * struct nvec_platform_data - platform data for a tegra slave controller
- * @i2c_addr: number of i2c slave adapter the ec is connected to
- * @gpio: gpio number for the ec request line
- *
- * Platform data, to be used in board definitions. For an example, take a
- * look at the paz00 board in arch/arm/mach-tegra/board-paz00.c
- */
-struct nvec_platform_data {
- int i2c_addr;
- int gpio;
-};
-
-/**
* struct nvec_chip - A single connection to an NVIDIA Embedded controller
* @dev: The device
* @gpio: The same as for &struct nvec_platform_data