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tpm/st33zp24: Remove unneeded CONFIG_OF switches 

DT headers already define NOOP routines when CONFIG_OF is not defined.

[jarkko.sakkinen@linux.intel.com: I tested that the driver compiles
 without warnings and errors with and without CONFIG_OF flag.]

Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
This commit is contained in:
Christophe RICARD 2016-02-13 16:15:28 +01:00 committed by Jarkko Sakkinen
parent a5392e9120
commit 300796cdb5
2 changed files with 7 additions and 69 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

67
drivers/char/tpm/st33zp24/i2c.c
View File

@ -1,6 +1,6 @@
/*
* STMicroelectronics TPM I2C Linux driver for TPM ST33ZP24
* Copyright (C) 2009 - 2016 STMicroelectronics
* Copyright (C) 2009 - 2015 STMicroelectronics
*
* 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
@ -19,10 +19,8 @@
#include <linux/module.h>
#include <linux/i2c.h>
#include <linux/gpio.h>
#include <linux/gpio/consumer.h>
#include <linux/of_irq.h>
#include <linux/of_gpio.h>
#include <linux/acpi.h>
#include <linux/tpm.h>
#include <linux/platform_data/st33zp24.h>
@ -110,47 +108,10 @@ static const struct st33zp24_phy_ops i2c_phy_ops = {
.recv = st33zp24_i2c_recv,
};
static int st33zp24_i2c_acpi_request_resources(struct i2c_client *client)
static int st33zp24_i2c_of_request_resources(struct st33zp24_i2c_phy *phy)
{
struct st33zp24_i2c_phy *phy = i2c_get_clientdata(client);
const struct acpi_device_id *id;
struct gpio_desc *gpiod_lpcpd;
struct device *dev;
if (!client)
return -EINVAL;
dev = &client->dev;
/* Match the struct device against a given list of ACPI IDs */
id = acpi_match_device(dev->driver->acpi_match_table, dev);
if (!id)
return -ENODEV;
/* Get LPCPD GPIO from ACPI */
gpiod_lpcpd = devm_gpiod_get_index(dev, "TPM IO LPCPD", 1,
GPIOD_OUT_HIGH);
if (IS_ERR(gpiod_lpcpd)) {
dev_err(&client->dev,
"Failed to retrieve lpcpd-gpios from acpi.\n");
phy->io_lpcpd = -1;
/*
* lpcpd pin is not specified. This is not an issue as
* power management can be also managed by TPM specific
* commands. So leave with a success status code.
*/
return 0;
}
phy->io_lpcpd = desc_to_gpio(gpiod_lpcpd);
return 0;
}
static int st33zp24_i2c_of_request_resources(struct i2c_client *client)
{
struct st33zp24_i2c_phy *phy = i2c_get_clientdata(client);
struct device_node *pp;
struct i2c_client *client = phy->client;
int gpio;
int ret;
@ -185,10 +146,10 @@ static int st33zp24_i2c_of_request_resources(struct i2c_client *client)
return 0;
}
static int st33zp24_i2c_request_resources(struct i2c_client *client)
static int st33zp24_i2c_request_resources(struct i2c_client *client,
struct st33zp24_i2c_phy *phy)
{
struct st33zp24_platform_data *pdata;
struct st33zp24_i2c_phy *phy = i2c_get_clientdata(client);
int ret;
pdata = client->dev.platform_data;
@ -244,20 +205,13 @@ static int st33zp24_i2c_probe(struct i2c_client *client,
return -ENOMEM;
phy->client = client;
i2c_set_clientdata(client, phy);
pdata = client->dev.platform_data;
if (!pdata && client->dev.of_node) {
ret = st33zp24_i2c_of_request_resources(client);
ret = st33zp24_i2c_of_request_resources(phy);
if (ret)
return ret;
} else if (pdata) {
ret = st33zp24_i2c_request_resources(client);
if (ret)
return ret;
} else if (ACPI_HANDLE(&client->dev)) {
ret = st33zp24_i2c_acpi_request_resources(client);
ret = st33zp24_i2c_request_resources(client, phy);
if (ret)
return ret;
}
@ -290,12 +244,6 @@ static const struct of_device_id of_st33zp24_i2c_match[] = {
};
MODULE_DEVICE_TABLE(of, of_st33zp24_i2c_match);
static const struct acpi_device_id st33zp24_i2c_acpi_match[] = {
{"SMO3324"},
{}
};
MODULE_DEVICE_TABLE(acpi, st33zp24_i2c_acpi_match);
static SIMPLE_DEV_PM_OPS(st33zp24_i2c_ops, st33zp24_pm_suspend,
st33zp24_pm_resume);
@ -304,7 +252,6 @@ static struct i2c_driver st33zp24_i2c_driver = {
.name = TPM_ST33_I2C,
.pm = &st33zp24_i2c_ops,
.of_match_table = of_match_ptr(of_st33zp24_i2c_match),
.acpi_match_table = ACPI_PTR(st33zp24_i2c_acpi_match),
},
.probe = st33zp24_i2c_probe,
.remove = st33zp24_i2c_remove,

9
drivers/char/tpm/st33zp24/spi.c
View File

@ -222,7 +222,6 @@ static const struct st33zp24_phy_ops spi_phy_ops = {
.recv = st33zp24_spi_recv,
};
#ifdef CONFIG_OF
static int st33zp24_spi_of_request_resources(struct st33zp24_spi_phy *phy)
{
struct device_node *pp;
@ -260,12 +259,6 @@ static int st33zp24_spi_of_request_resources(struct st33zp24_spi_phy *phy)
return 0;
}
#else
static int st33zp24_spi_of_request_resources(struct st33zp24_spi_phy *phy)
{
return -ENODEV;
}
#endif
static int st33zp24_spi_request_resources(struct spi_device *dev,
struct st33zp24_spi_phy *phy)
@ -358,13 +351,11 @@ static const struct spi_device_id st33zp24_spi_id[] = {
};
MODULE_DEVICE_TABLE(spi, st33zp24_spi_id);
#ifdef CONFIG_OF
static const struct of_device_id of_st33zp24_spi_match[] = {
{ .compatible = "st,st33zp24-spi", },
{}
};
MODULE_DEVICE_TABLE(of, of_st33zp24_spi_match);
#endif
static SIMPLE_DEV_PM_OPS(st33zp24_spi_ops, st33zp24_pm_suspend,
st33zp24_pm_resume);