[PATCH v2 2/2] misc: enclosure: update sysfs api

From: Mariusz Tkaczyk
Date: Wed May 24 2023 - 07:13:32 EST


Use DEVICE_ATTR RW and RO macros. Update function names accordingly.
No functional changes intended.

Reviewed-by: Dan Williams <dan.j.williams@xxxxxxxxx>
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@xxxxxxxxxxxxxxx>
---
drivers/misc/enclosure.c | 80 +++++++++++++++++++---------------------
1 file changed, 38 insertions(+), 42 deletions(-)

diff --git a/drivers/misc/enclosure.c b/drivers/misc/enclosure.c
index 59704fdb962a..95d70840a88a 100644
--- a/drivers/misc/enclosure.c
+++ b/drivers/misc/enclosure.c
@@ -473,8 +473,8 @@ static const char *const enclosure_type[] = {
[ENCLOSURE_COMPONENT_ARRAY_DEVICE] = "array device",
};

-static ssize_t get_component_fault(struct device *cdev,
- struct device_attribute *attr, char *buf)
+static ssize_t fault_show(struct device *cdev, struct device_attribute *attr,
+ char *buf)
{
struct enclosure_device *edev = to_enclosure_device(cdev->parent);
struct enclosure_component *ecomp = to_enclosure_component(cdev);
@@ -484,9 +484,8 @@ static ssize_t get_component_fault(struct device *cdev,
return sysfs_emit(buf, "%d\n", ecomp->fault);
}

-static ssize_t set_component_fault(struct device *cdev,
- struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t fault_store(struct device *cdev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct enclosure_device *edev = to_enclosure_device(cdev->parent);
struct enclosure_component *ecomp = to_enclosure_component(cdev);
@@ -497,8 +496,10 @@ static ssize_t set_component_fault(struct device *cdev,
return count;
}

-static ssize_t get_component_status(struct device *cdev,
- struct device_attribute *attr,char *buf)
+static DEVICE_ATTR_RW(fault);
+
+static ssize_t status_show(struct device *cdev, struct device_attribute *attr,
+ char *buf)
{
struct enclosure_device *edev = to_enclosure_device(cdev->parent);
struct enclosure_component *ecomp = to_enclosure_component(cdev);
@@ -508,9 +509,8 @@ static ssize_t get_component_status(struct device *cdev,
return sysfs_emit(buf, "%s\n", enclosure_status[ecomp->status]);
}

-static ssize_t set_component_status(struct device *cdev,
- struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t status_store(struct device *cdev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct enclosure_device *edev = to_enclosure_device(cdev->parent);
struct enclosure_component *ecomp = to_enclosure_component(cdev);
@@ -531,8 +531,10 @@ static ssize_t set_component_status(struct device *cdev,
return -EINVAL;
}

-static ssize_t get_component_active(struct device *cdev,
- struct device_attribute *attr, char *buf)
+static DEVICE_ATTR_RW(status);
+
+static ssize_t active_show(struct device *cdev, struct device_attribute *attr,
+ char *buf)
{
struct enclosure_component *ecomp = to_enclosure_component(cdev);

@@ -540,9 +542,8 @@ static ssize_t get_component_active(struct device *cdev,
return sysfs_emit(buf, "%d\n", ecomp->active);
}

-static ssize_t set_component_active(struct device *cdev,
- struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t active_store(struct device *cdev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct enclosure_device *edev = to_enclosure_device(cdev->parent);
struct enclosure_component *ecomp = to_enclosure_component(cdev);
@@ -553,8 +554,10 @@ static ssize_t set_component_active(struct device *cdev,
return count;
}

-static ssize_t get_component_locate(struct device *cdev,
- struct device_attribute *attr, char *buf)
+static DEVICE_ATTR_RW(active);
+
+static ssize_t locate_show(struct device *cdev, struct device_attribute *attr,
+ char *buf)
{
struct enclosure_device *edev = to_enclosure_device(cdev->parent);
struct enclosure_component *ecomp = to_enclosure_component(cdev);
@@ -564,9 +567,8 @@ static ssize_t get_component_locate(struct device *cdev,
return sysfs_emit(buf, "%d\n", ecomp->locate);
}

-static ssize_t set_component_locate(struct device *cdev,
- struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t locate_store(struct device *cdev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct enclosure_device *edev = to_enclosure_device(cdev->parent);
struct enclosure_component *ecomp = to_enclosure_component(cdev);
@@ -577,9 +579,10 @@ static ssize_t set_component_locate(struct device *cdev,
return count;
}

-static ssize_t get_component_power_status(struct device *cdev,
- struct device_attribute *attr,
- char *buf)
+static DEVICE_ATTR_RW(locate);
+
+static ssize_t power_status_show(struct device *cdev,
+ struct device_attribute *attr, char *buf)
{
struct enclosure_device *edev = to_enclosure_device(cdev->parent);
struct enclosure_component *ecomp = to_enclosure_component(cdev);
@@ -594,9 +597,9 @@ static ssize_t get_component_power_status(struct device *cdev,
return sysfs_emit(buf, "%s\n", ecomp->power_status ? "on" : "off");
}

-static ssize_t set_component_power_status(struct device *cdev,
- struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t power_status_store(struct device *cdev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct enclosure_device *edev = to_enclosure_device(cdev->parent);
struct enclosure_component *ecomp = to_enclosure_component(cdev);
@@ -616,16 +619,20 @@ static ssize_t set_component_power_status(struct device *cdev,
return count;
}

-static ssize_t get_component_type(struct device *cdev,
- struct device_attribute *attr, char *buf)
+static DEVICE_ATTR_RW(power_status);
+
+static ssize_t type_show(struct device *cdev, struct device_attribute *attr,
+ char *buf)
{
struct enclosure_component *ecomp = to_enclosure_component(cdev);

return sysfs_emit(buf, "%s\n", enclosure_type[ecomp->type]);
}

-static ssize_t get_component_slot(struct device *cdev,
- struct device_attribute *attr, char *buf)
+static DEVICE_ATTR_RO(type);
+
+static ssize_t slot_show(struct device *cdev, struct device_attribute *attr,
+ char *buf)
{
struct enclosure_component *ecomp = to_enclosure_component(cdev);
int slot;
@@ -639,18 +646,7 @@ static ssize_t get_component_slot(struct device *cdev,
return sysfs_emit(buf, "%d\n", slot);
}

-static DEVICE_ATTR(fault, S_IRUGO | S_IWUSR, get_component_fault,
- set_component_fault);
-static DEVICE_ATTR(status, S_IRUGO | S_IWUSR, get_component_status,
- set_component_status);
-static DEVICE_ATTR(active, S_IRUGO | S_IWUSR, get_component_active,
- set_component_active);
-static DEVICE_ATTR(locate, S_IRUGO | S_IWUSR, get_component_locate,
- set_component_locate);
-static DEVICE_ATTR(power_status, S_IRUGO | S_IWUSR, get_component_power_status,
- set_component_power_status);
-static DEVICE_ATTR(type, S_IRUGO, get_component_type, NULL);
-static DEVICE_ATTR(slot, S_IRUGO, get_component_slot, NULL);
+static DEVICE_ATTR_RO(slot);

static struct attribute *enclosure_component_attrs[] = {
&dev_attr_fault.attr,
--
2.26.2