diff options
Diffstat (limited to 'drivers/misc/bmp085.c')
| -rw-r--r-- | drivers/misc/bmp085.c | 19 |
1 files changed, 4 insertions, 15 deletions
diff --git a/drivers/misc/bmp085.c b/drivers/misc/bmp085.c index b29a2be24591..76c3064629f1 100644 --- a/drivers/misc/bmp085.c +++ b/drivers/misc/bmp085.c @@ -87,7 +87,7 @@ struct bmp085_data { u32 raw_temperature; u32 raw_pressure; unsigned char oversampling_setting; - u32 last_temp_measurement; + unsigned long last_temp_measurement; s32 b6; /* calculated temperature correction coefficient */ }; @@ -234,7 +234,8 @@ static s32 bmp085_get_pressure(struct bmp085_data *data, int *pressure) int status; /* alt least every second force an update of the ambient temperature */ - if (data->last_temp_measurement + 1*HZ < jiffies) { + if (data->last_temp_measurement == 0 || + time_is_before_jiffies(data->last_temp_measurement + 1*HZ)) { status = bmp085_get_temperature(data, NULL); if (status != 0) goto exit; @@ -464,20 +465,8 @@ static struct i2c_driver bmp085_driver = { .address_list = normal_i2c }; -static int __init bmp085_init(void) -{ - return i2c_add_driver(&bmp085_driver); -} - -static void __exit bmp085_exit(void) -{ - i2c_del_driver(&bmp085_driver); -} - +module_i2c_driver(bmp085_driver); MODULE_AUTHOR("Christoph Mair <christoph.mair@gmail.com"); MODULE_DESCRIPTION("BMP085 driver"); MODULE_LICENSE("GPL"); - -module_init(bmp085_init); -module_exit(bmp085_exit); |