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authorLinus Torvalds <torvalds@linux-foundation.org>2012-03-20 11:15:18 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-03-20 11:15:18 -0700
commit9f9d2760da8c7f94fae119fac3e13d5a1702f8f0 (patch)
treee244a2969edceff750478e7d98355b76ef30aa0f /drivers/misc/bmp085.c
parentad2a8e6078a16d3b61b530f1447110841c36ae56 (diff)
parentb222258ac11cae3e0350fe5992ad164a7b128103 (diff)
Merge tag 'char-misc-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char and misc patches for 3.4-rc1 from Greg KH: "Not much here, just a few minor fixes and some conversions to the module_*_driver() functions, making the codebase smaller." * tag 'char-misc-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: misc: bmp085: Use unsigned long to store jiffies char/ramoops: included linux/err.h twice misc: bmp085: Handle jiffies overflow correctly misc: fsa9480: Remove obsolete cleanup for clientdata char: Fix typo in tlclk.c char: Fix typo in viotape.c cs5535-mfgpt: don't call __init function from __devinit MISC: convert drivers/misc/* to use module_spi_driver() MISC: convert drivers/misc/* to use module_i2c_driver() MISC: convert drivers/misc/* to use module_platform_driver()
Diffstat (limited to 'drivers/misc/bmp085.c')
-rw-r--r--drivers/misc/bmp085.c19
1 files changed, 4 insertions, 15 deletions
diff --git a/drivers/misc/bmp085.c b/drivers/misc/bmp085.c
index b29a2be2459..76c3064629f 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);