The hardware doesn't support this. QPOSINIT is an initialization value
that is triggered by other things. When the counter overflows, it
always wraps around to zero.
Fixes: f213729f6796 "counter: new TI eQEP driver"
Signed-off-by: David Lechner <david@xxxxxxxxxxxxxx>
---
drivers/counter/ti-eqep.c | 35 -----------------------------------
1 file changed, 35 deletions(-)
diff --git a/drivers/counter/ti-eqep.c b/drivers/counter/ti-eqep.c
index a60aee1a1a29..65df9ef5b5bc 100644
--- a/drivers/counter/ti-eqep.c
+++ b/drivers/counter/ti-eqep.c
@@ -235,36 +235,6 @@ static ssize_t ti_eqep_position_ceiling_write(struct counter_device *counter,
return len;
}
-static ssize_t ti_eqep_position_floor_read(struct counter_device *counter,
- struct counter_count *count,
- void *ext_priv, char *buf)
-{
- struct ti_eqep_cnt *priv = counter->priv;
- u32 qposinit;
-
- regmap_read(priv->regmap32, QPOSINIT, &qposinit);
-
- return sprintf(buf, "%u\n", qposinit);
-}
-
-static ssize_t ti_eqep_position_floor_write(struct counter_device *counter,
- struct counter_count *count,
- void *ext_priv, const char *buf,
- size_t len)
-{
- struct ti_eqep_cnt *priv = counter->priv;
- int err;
- u32 res;
-
- err = kstrtouint(buf, 0, &res);
- if (err < 0)
- return err;
-
- regmap_write(priv->regmap32, QPOSINIT, res);
-
- return len;
-}
-
static ssize_t ti_eqep_position_enable_read(struct counter_device *counter,
struct counter_count *count,
void *ext_priv, char *buf)
@@ -301,11 +271,6 @@ static struct counter_count_ext ti_eqep_position_ext[] = {
.read = ti_eqep_position_ceiling_read,
.write = ti_eqep_position_ceiling_write,
},
- {
- .name = "floor",
- .read = ti_eqep_position_floor_read,
- .write = ti_eqep_position_floor_write,
- },
{
.name = "enable",
.read = ti_eqep_position_enable_read,
--
2.25.1
