Eliminate redundant calculations by performing millisecond to jiffy
calculations once during driver initialization.
Signed-off-by: Aaron Sierra <asierra@xxxxxxxxxxx>
---
drivers/input/touchscreen/tsc2007.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/drivers/input/touchscreen/tsc2007.c b/drivers/input/touchscreen/tsc2007.c
index 1bf9906..4e97afb 100644
--- a/drivers/input/touchscreen/tsc2007.c
+++ b/drivers/input/touchscreen/tsc2007.c
@@ -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 +349,9 @@ 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 = pdata->poll_period ?
+ msecs_to_jiffies(pdata->poll_period) :
+ msecs_to_jiffies(1);
ts->get_pendown_state = pdata->get_pendown_state;
ts->clear_penirq = pdata->clear_penirq;
ts->fuzzx = pdata->fuzzx;
--
1.9.1
--
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