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Subject[PATCH v8 11/22] counter: Rename counter_signal_value to counter_signal_level
Date
Signal values will always be levels so let's be explicit it about it to
make the intent of the code clear.

Cc: Syed Nayyar Waris <syednwaris@gmail.com>
Cc: Kamel Bouhara <kamel.bouhara@bootlin.com>
Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
---
drivers/counter/104-quad-8.c | 5 +++--
drivers/counter/counter.c | 12 ++++++------
drivers/counter/microchip-tcb-capture.c | 4 ++--
include/linux/counter.h | 12 ++++++------
4 files changed, 17 insertions(+), 16 deletions(-)

diff --git a/drivers/counter/104-quad-8.c b/drivers/counter/104-quad-8.c
index a2cabb028db0..ead0eeb6c846 100644
--- a/drivers/counter/104-quad-8.c
+++ b/drivers/counter/104-quad-8.c
@@ -97,7 +97,8 @@ struct quad8 {
#define QUAD8_CMR_QUADRATURE_X4 0x18

static int quad8_signal_read(struct counter_device *counter,
- struct counter_signal *signal, enum counter_signal_value *val)
+ struct counter_signal *signal,
+ enum counter_signal_level *level)
{
const struct quad8 *const priv = counter->priv;
unsigned int state;
@@ -109,7 +110,7 @@ static int quad8_signal_read(struct counter_device *counter,
state = inb(priv->base + QUAD8_REG_INDEX_INPUT_LEVELS)
& BIT(signal->id - 16);

- *val = (state) ? COUNTER_SIGNAL_HIGH : COUNTER_SIGNAL_LOW;
+ *level = (state) ? COUNTER_SIGNAL_LEVEL_HIGH : COUNTER_SIGNAL_LEVEL_LOW;

return 0;
}
diff --git a/drivers/counter/counter.c b/drivers/counter/counter.c
index 6a683d086008..cb92673552b5 100644
--- a/drivers/counter/counter.c
+++ b/drivers/counter/counter.c
@@ -289,9 +289,9 @@ struct counter_signal_unit {
struct counter_signal *signal;
};

-static const char *const counter_signal_value_str[] = {
- [COUNTER_SIGNAL_LOW] = "low",
- [COUNTER_SIGNAL_HIGH] = "high"
+static const char *const counter_signal_level_str[] = {
+ [COUNTER_SIGNAL_LEVEL_LOW] = "low",
+ [COUNTER_SIGNAL_LEVEL_HIGH] = "high"
};

static ssize_t counter_signal_show(struct device *dev,
@@ -302,13 +302,13 @@ static ssize_t counter_signal_show(struct device *dev,
const struct counter_signal_unit *const component = devattr->component;
struct counter_signal *const signal = component->signal;
int err;
- enum counter_signal_value val;
+ enum counter_signal_level level;

- err = counter->ops->signal_read(counter, signal, &val);
+ err = counter->ops->signal_read(counter, signal, &level);
if (err)
return err;

- return sprintf(buf, "%s\n", counter_signal_value_str[val]);
+ return sprintf(buf, "%s\n", counter_signal_level_str[level]);
}

struct counter_name_unit {
diff --git a/drivers/counter/microchip-tcb-capture.c b/drivers/counter/microchip-tcb-capture.c
index ee979b011012..f56c4e328018 100644
--- a/drivers/counter/microchip-tcb-capture.c
+++ b/drivers/counter/microchip-tcb-capture.c
@@ -158,7 +158,7 @@ static int mchp_tc_count_function_set(struct counter_device *counter,

static int mchp_tc_count_signal_read(struct counter_device *counter,
struct counter_signal *signal,
- enum counter_signal_value *val)
+ enum counter_signal_level *lvl)
{
struct mchp_tc_data *const priv = counter->priv;
bool sigstatus;
@@ -171,7 +171,7 @@ static int mchp_tc_count_signal_read(struct counter_device *counter,
else
sigstatus = (sr & ATMEL_TC_MTIOA);

- *val = sigstatus ? COUNTER_SIGNAL_HIGH : COUNTER_SIGNAL_LOW;
+ *lvl = sigstatus ? COUNTER_SIGNAL_LEVEL_HIGH : COUNTER_SIGNAL_LEVEL_LOW;

return 0;
}
diff --git a/include/linux/counter.h b/include/linux/counter.h
index 9dbd5df4cd34..79f5dcaf6ba0 100644
--- a/include/linux/counter.h
+++ b/include/linux/counter.h
@@ -290,16 +290,16 @@ struct counter_device_state {
const struct attribute_group **groups;
};

-enum counter_signal_value {
- COUNTER_SIGNAL_LOW = 0,
- COUNTER_SIGNAL_HIGH
+enum counter_signal_level {
+ COUNTER_SIGNAL_LEVEL_LOW,
+ COUNTER_SIGNAL_LEVEL_HIGH,
};

/**
* struct counter_ops - Callbacks from driver
* @signal_read: optional read callback for Signal attribute. The read
- * value of the respective Signal should be passed back via
- * the val parameter.
+ * level of the respective Signal should be passed back via
+ * the level parameter.
* @count_read: optional read callback for Count attribute. The read
* value of the respective Count should be passed back via
* the val parameter.
@@ -324,7 +324,7 @@ enum counter_signal_value {
struct counter_ops {
int (*signal_read)(struct counter_device *counter,
struct counter_signal *signal,
- enum counter_signal_value *val);
+ enum counter_signal_level *level);
int (*count_read)(struct counter_device *counter,
struct counter_count *count, unsigned long *val);
int (*count_write)(struct counter_device *counter,
--
2.30.0
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