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path: root/drivers/hwmon/f71882fg.c
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Diffstat (limited to 'drivers/hwmon/f71882fg.c')
-rw-r--r--drivers/hwmon/f71882fg.c48
1 files changed, 21 insertions, 27 deletions
diff --git a/drivers/hwmon/f71882fg.c b/drivers/hwmon/f71882fg.c
index 6d1226365e3..50e4ce2d22d 100644
--- a/drivers/hwmon/f71882fg.c
+++ b/drivers/hwmon/f71882fg.c
@@ -2274,7 +2274,8 @@ static int __devinit f71882fg_probe(struct platform_device *pdev)
int err, i;
u8 start_reg, reg;
- data = kzalloc(sizeof(struct f71882fg_data), GFP_KERNEL);
+ data = devm_kzalloc(&pdev->dev, sizeof(struct f71882fg_data),
+ GFP_KERNEL);
if (!data)
return -ENOMEM;
@@ -2288,13 +2289,11 @@ static int __devinit f71882fg_probe(struct platform_device *pdev)
start_reg = f71882fg_read8(data, F71882FG_REG_START);
if (start_reg & 0x04) {
dev_warn(&pdev->dev, "Hardware monitor is powered down\n");
- err = -ENODEV;
- goto exit_free;
+ return -ENODEV;
}
if (!(start_reg & 0x03)) {
dev_warn(&pdev->dev, "Hardware monitoring not activated\n");
- err = -ENODEV;
- goto exit_free;
+ return -ENODEV;
}
/* Register sysfs interface files */
@@ -2422,8 +2421,6 @@ static int __devinit f71882fg_probe(struct platform_device *pdev)
exit_unregister_sysfs:
f71882fg_remove(pdev); /* Will unregister the sysfs files for us */
return err; /* f71882fg_remove() also frees our data */
-exit_free:
- kfree(data);
return err;
}
@@ -2525,17 +2522,13 @@ static int f71882fg_remove(struct platform_device *pdev)
ARRAY_SIZE(fxxxx_auto_pwm_attr[0]) * nr_fans);
}
}
-
- platform_set_drvdata(pdev, NULL);
- kfree(data);
-
return 0;
}
-static int __init f71882fg_find(int sioaddr, unsigned short *address,
- struct f71882fg_sio_data *sio_data)
+static int __init f71882fg_find(int sioaddr, struct f71882fg_sio_data *sio_data)
{
u16 devid;
+ unsigned short address;
int err = superio_enter(sioaddr);
if (err)
return err;
@@ -2603,25 +2596,25 @@ static int __init f71882fg_find(int sioaddr, unsigned short *address,
goto exit;
}
- *address = superio_inw(sioaddr, SIO_REG_ADDR);
- if (*address == 0) {
+ address = superio_inw(sioaddr, SIO_REG_ADDR);
+ if (address == 0) {
pr_warn("Base address not set\n");
err = -ENODEV;
goto exit;
}
- *address &= ~(REGION_LENGTH - 1); /* Ignore 3 LSB */
+ address &= ~(REGION_LENGTH - 1); /* Ignore 3 LSB */
- err = 0;
+ err = address;
pr_info("Found %s chip at %#x, revision %d\n",
- f71882fg_names[sio_data->type], (unsigned int)*address,
+ f71882fg_names[sio_data->type], (unsigned int)address,
(int)superio_inb(sioaddr, SIO_REG_DEVREV));
exit:
superio_exit(sioaddr);
return err;
}
-static int __init f71882fg_device_add(unsigned short address,
- const struct f71882fg_sio_data *sio_data)
+static int __init f71882fg_device_add(int address,
+ const struct f71882fg_sio_data *sio_data)
{
struct resource res = {
.start = address,
@@ -2668,19 +2661,21 @@ exit_device_put:
static int __init f71882fg_init(void)
{
- int err = -ENODEV;
- unsigned short address;
+ int err;
+ int address;
struct f71882fg_sio_data sio_data;
memset(&sio_data, 0, sizeof(sio_data));
- if (f71882fg_find(0x2e, &address, &sio_data) &&
- f71882fg_find(0x4e, &address, &sio_data))
- goto exit;
+ address = f71882fg_find(0x2e, &sio_data);
+ if (address < 0)
+ address = f71882fg_find(0x4e, &sio_data);
+ if (address < 0)
+ return address;
err = platform_driver_register(&f71882fg_driver);
if (err)
- goto exit;
+ return err;
err = f71882fg_device_add(address, &sio_data);
if (err)
@@ -2690,7 +2685,6 @@ static int __init f71882fg_init(void)
exit_driver:
platform_driver_unregister(&f71882fg_driver);
-exit:
return err;
}