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| author | Aaron Sierra <asierra@xes-inc.com> | 2015-03-31 14:35:36 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-03-31 14:41:33 -0700 |
| commit | bbdb38a22e8a5197a6db1e4d22d7e5c6c368e7f7 (patch) | |
| tree | 10d1a20387b6dec70099c808d87a3e15217e0a3a | |
| parent | 709583e894afad7f33add66953026ceb82cdf115 (diff) | |
| download | linux-stable-bbdb38a22e8a5197a6db1e4d22d7e5c6c368e7f7.tar.gz linux-stable-bbdb38a22e8a5197a6db1e4d22d7e5c6c368e7f7.tar.bz2 linux-stable-bbdb38a22e8a5197a6db1e4d22d7e5c6c368e7f7.zip | |
Input: tsc2007 - Convert msecs to jiffies only once
Eliminate redundant calculations by performing millisecond to jiffy
calculations once during driver initialization.
Signed-off-by: Aaron Sierra <asierra@xes-inc.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| -rw-r--r-- | drivers/input/touchscreen/tsc2007.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/input/touchscreen/tsc2007.c b/drivers/input/touchscreen/tsc2007.c index 1bf9906b5a3f..ccc8aa615709 100644 --- a/drivers/input/touchscreen/tsc2007.c +++ b/drivers/input/touchscreen/tsc2007.c @@ -75,7 +75,7 @@ struct tsc2007 { u16 model; u16 x_plate_ohms; u16 max_rt; - unsigned long poll_period; + unsigned long poll_period; /* in jiffies */ int fuzzx; int fuzzy; int fuzzz; @@ -214,8 +214,7 @@ static irqreturn_t tsc2007_soft_irq(int irq, void *handle) dev_dbg(&ts->client->dev, "ignored pressure %d\n", rt); } - wait_event_timeout(ts->wait, ts->stopped, - msecs_to_jiffies(ts->poll_period)); + wait_event_timeout(ts->wait, ts->stopped, ts->poll_period); } dev_dbg(&ts->client->dev, "UP\n"); @@ -314,9 +313,9 @@ static int tsc2007_probe_dt(struct i2c_client *client, struct tsc2007 *ts) ts->fuzzz = val32; if (!of_property_read_u64(np, "ti,poll-period", &val64)) - ts->poll_period = val64; + ts->poll_period = msecs_to_jiffies(val64); else - ts->poll_period = 1; + ts->poll_period = msecs_to_jiffies(1); if (!of_property_read_u32(np, "ti,x-plate-ohms", &val32)) { ts->x_plate_ohms = val32; @@ -350,7 +349,7 @@ static int tsc2007_probe_pdev(struct i2c_client *client, struct tsc2007 *ts, ts->model = pdata->model; ts->x_plate_ohms = pdata->x_plate_ohms; ts->max_rt = pdata->max_rt ? : MAX_12BIT; - ts->poll_period = pdata->poll_period ? : 1; + ts->poll_period = msecs_to_jiffies(pdata->poll_period ? : 1); ts->get_pendown_state = pdata->get_pendown_state; ts->clear_penirq = pdata->clear_penirq; ts->fuzzx = pdata->fuzzx; |