diff options
Diffstat (limited to 'drivers/macintosh/windfarm_lm75_sensor.c')
| -rw-r--r-- | drivers/macintosh/windfarm_lm75_sensor.c | 40 |
1 files changed, 24 insertions, 16 deletions
diff --git a/drivers/macintosh/windfarm_lm75_sensor.c b/drivers/macintosh/windfarm_lm75_sensor.c index 9ef32b3df91f..b5d9c2e40148 100644 --- a/drivers/macintosh/windfarm_lm75_sensor.c +++ b/drivers/macintosh/windfarm_lm75_sensor.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Windfarm PowerMac thermal control. LM75 sensor * * (c) Copyright 2005 Benjamin Herrenschmidt, IBM Corp. * <benh@kernel.crashing.org> - * - * Released under the term of the GNU GPL v2. */ #include <linux/types.h> @@ -15,7 +14,7 @@ #include <linux/init.h> #include <linux/wait.h> #include <linux/i2c.h> -#include <asm/prom.h> +#include <linux/of.h> #include <asm/machdep.h> #include <asm/io.h> #include <asm/sections.h> @@ -34,8 +33,8 @@ #endif struct wf_lm75_sensor { - int ds1775 : 1; - int inited : 1; + unsigned int ds1775 : 1; + unsigned int inited : 1; struct i2c_client *i2c; struct wf_sensor sens; }; @@ -82,19 +81,24 @@ static void wf_lm75_release(struct wf_sensor *sr) kfree(lm); } -static struct wf_sensor_ops wf_lm75_ops = { +static const struct wf_sensor_ops wf_lm75_ops = { .get_value = wf_lm75_get, .release = wf_lm75_release, .owner = THIS_MODULE, }; -static int wf_lm75_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ +static int wf_lm75_probe(struct i2c_client *client) +{ + const struct i2c_device_id *id = i2c_client_get_device_id(client); struct wf_lm75_sensor *lm; - int rc, ds1775 = id->driver_data; + int rc, ds1775; const char *name, *loc; + if (id) + ds1775 = id->driver_data; + else + ds1775 = !!of_device_get_match_data(&client->dev); + DBG("wf_lm75: creating %s device at address 0x%02x\n", ds1775 ? "ds1775" : "lm75", client->addr); @@ -133,7 +137,7 @@ static int wf_lm75_probe(struct i2c_client *client, lm->inited = 0; lm->ds1775 = ds1775; lm->i2c = client; - lm->sens.name = (char *)name; /* XXX fix constness in structure */ + lm->sens.name = name; lm->sens.ops = &wf_lm75_ops; i2c_set_clientdata(client, lm); @@ -143,19 +147,15 @@ static int wf_lm75_probe(struct i2c_client *client, return rc; } -static int wf_lm75_remove(struct i2c_client *client) +static void wf_lm75_remove(struct i2c_client *client) { struct wf_lm75_sensor *lm = i2c_get_clientdata(client); - DBG("wf_lm75: i2c detatch called for %s\n", lm->sens.name); - /* Mark client detached */ lm->i2c = NULL; /* release sensor */ wf_unregister_sensor(&lm->sens); - - return 0; } static const struct i2c_device_id wf_lm75_id[] = { @@ -165,9 +165,17 @@ static const struct i2c_device_id wf_lm75_id[] = { }; MODULE_DEVICE_TABLE(i2c, wf_lm75_id); +static const struct of_device_id wf_lm75_of_id[] = { + { .compatible = "lm75", .data = (void *)0}, + { .compatible = "ds1775", .data = (void *)1 }, + { } +}; +MODULE_DEVICE_TABLE(of, wf_lm75_of_id); + static struct i2c_driver wf_lm75_driver = { .driver = { .name = "wf_lm75", + .of_match_table = wf_lm75_of_id, }, .probe = wf_lm75_probe, .remove = wf_lm75_remove, |