diff options
author | Christophe RICARD <christophe.ricard@gmail.com> | 2016-02-13 16:15:28 +0100 |
---|---|---|
committer | Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> | 2016-06-25 17:26:35 +0300 |
commit | 300796cdb5ba624031a5e1e5992e670eb457c231 (patch) | |
tree | 09a11eb0aaa135aa99c57549945ee73b9f22cb8c /drivers/char | |
parent | a5392e912031dff0b74a5d923c49c9839cea5bb3 (diff) |
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>
Diffstat (limited to 'drivers/char')
-rw-r--r-- | drivers/char/tpm/st33zp24/i2c.c | 67 | ||||
-rw-r--r-- | drivers/char/tpm/st33zp24/spi.c | 9 |
2 files changed, 7 insertions, 69 deletions
diff --git a/drivers/char/tpm/st33zp24/i2c.c b/drivers/char/tpm/st33zp24/i2c.c index f179aadd287e..a05fbd8bddf0 100644 --- a/drivers/char/tpm/st33zp24/i2c.c +++ b/drivers/char/tpm/st33zp24/i2c.c @@ -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, diff --git a/drivers/char/tpm/st33zp24/spi.c b/drivers/char/tpm/st33zp24/spi.c index f85105303de9..08e6bf54d7dd 100644 --- a/drivers/char/tpm/st33zp24/spi.c +++ b/drivers/char/tpm/st33zp24/spi.c @@ -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); |