diff options
| author | Marcelo Feitoza Parisi <marcelo@feitoza.com.br> | 2005-11-30 21:50:39 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-01-04 21:51:41 (GMT) |
| commit | f0b80fbf294bc4f6ec179b09fd5b63df25188259 (patch) | |
| tree | a3eb4af3ce641bc99dd89bc01aca2917aaba060a /drivers/usb | |
| parent | 95f209f93663103db2a8fb989e226ac68a98b036 (diff) | |
| download | linux-f0b80fbf294bc4f6ec179b09fd5b63df25188259.tar.xz | |
[PATCH] USB: ati_remote: use time_before() and friends
They deal with wrapping correctly and are nicer to read.
Signed-off-by: Marcelo Feitoza Parisi <marcelo@feitoza.com.br>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/input/ati_remote.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/usb/input/ati_remote.c b/drivers/usb/input/ati_remote.c index b78a4d8..f7bdc50 100644 --- a/drivers/usb/input/ati_remote.c +++ b/drivers/usb/input/ati_remote.c @@ -96,6 +96,7 @@ #include <linux/usb.h> #include <linux/usb_input.h> #include <linux/wait.h> +#include <linux/jiffies.h> /* * Module and Version Information, Module Parameters @@ -471,7 +472,7 @@ static void ati_remote_input_report(struct urb *urb, struct pt_regs *regs) /* Filter duplicate events which happen "too close" together. */ if ((ati_remote->old_data[0] == data[1]) && (ati_remote->old_data[1] == data[2]) && - ((ati_remote->old_jiffies + FILTER_TIME) > jiffies)) { + time_before(jiffies, ati_remote->old_jiffies + FILTER_TIME)) { ati_remote->repeat_count++; } else { ati_remote->repeat_count = 0; @@ -506,16 +507,16 @@ static void ati_remote_input_report(struct urb *urb, struct pt_regs *regs) * pad down, so we increase acceleration, ramping up over two seconds to * a maximum speed. The acceleration curve is #defined above. */ - if ((jiffies - ati_remote->old_jiffies) > (HZ >> 2)) { + if (time_after(jiffies, ati_remote->old_jiffies + (HZ >> 2))) { acc = 1; ati_remote->acc_jiffies = jiffies; } - else if ((jiffies - ati_remote->acc_jiffies) < (HZ >> 3)) acc = accel[0]; - else if ((jiffies - ati_remote->acc_jiffies) < (HZ >> 2)) acc = accel[1]; - else if ((jiffies - ati_remote->acc_jiffies) < (HZ >> 1)) acc = accel[2]; - else if ((jiffies - ati_remote->acc_jiffies) < HZ ) acc = accel[3]; - else if ((jiffies - ati_remote->acc_jiffies) < HZ+(HZ>>1)) acc = accel[4]; - else if ((jiffies - ati_remote->acc_jiffies) < (HZ << 1)) acc = accel[5]; + else if (time_before(jiffies, ati_remote->acc_jiffies + (HZ >> 3))) acc = accel[0]; + else if (time_before(jiffies, ati_remote->acc_jiffies + (HZ >> 2))) acc = accel[1]; + else if (time_before(jiffies, ati_remote->acc_jiffies + (HZ >> 1))) acc = accel[2]; + else if (time_before(jiffies, ati_remote->acc_jiffies + HZ)) acc = accel[3]; + else if (time_before(jiffies, ati_remote->acc_jiffies + HZ+(HZ>>1))) acc = accel[4]; + else if (time_before(jiffies, ati_remote->acc_jiffies + (HZ << 1))) acc = accel[5]; else acc = accel[6]; input_regs(dev, regs); |