2021-05-23 04:11:15

by YueHaibing

[permalink] [raw]
Subject: [PATCH] libertas: use DEVICE_ATTR_RW macro

Use DEVICE_ATTR_RW helper instead of plain DEVICE_ATTR,
which makes the code a bit shorter and easier to read.

Signed-off-by: YueHaibing <[email protected]>
---
drivers/net/wireless/marvell/libertas/mesh.c | 149 ++++++++++---------
1 file changed, 78 insertions(+), 71 deletions(-)

diff --git a/drivers/net/wireless/marvell/libertas/mesh.c b/drivers/net/wireless/marvell/libertas/mesh.c
index c68814841583..6cbba84989b8 100644
--- a/drivers/net/wireless/marvell/libertas/mesh.c
+++ b/drivers/net/wireless/marvell/libertas/mesh.c
@@ -151,13 +151,13 @@ static uint16_t lbs_mesh_get_channel(struct lbs_private *priv)
*/

/**
- * lbs_anycast_get - Get function for sysfs attribute anycast_mask
+ * anycast_mask_show - Get function for sysfs attribute anycast_mask
* @dev: the &struct device
* @attr: device attributes
* @buf: buffer where data will be returned
*/
-static ssize_t lbs_anycast_get(struct device *dev,
- struct device_attribute *attr, char * buf)
+static ssize_t anycast_mask_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct lbs_private *priv = to_net_dev(dev)->ml_priv;
struct cmd_ds_mesh_access mesh_access;
@@ -173,14 +173,15 @@ static ssize_t lbs_anycast_get(struct device *dev,
}

/**
- * lbs_anycast_set - Set function for sysfs attribute anycast_mask
+ * anycast_mask_store - Set function for sysfs attribute anycast_mask
* @dev: the &struct device
* @attr: device attributes
* @buf: buffer that contains new attribute value
* @count: size of buffer
*/
-static ssize_t lbs_anycast_set(struct device *dev,
- struct device_attribute *attr, const char * buf, size_t count)
+static ssize_t anycast_mask_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct lbs_private *priv = to_net_dev(dev)->ml_priv;
struct cmd_ds_mesh_access mesh_access;
@@ -199,13 +200,13 @@ static ssize_t lbs_anycast_set(struct device *dev,
}

/**
- * lbs_prb_rsp_limit_get - Get function for sysfs attribute prb_rsp_limit
+ * prb_rsp_limit_show - Get function for sysfs attribute prb_rsp_limit
* @dev: the &struct device
* @attr: device attributes
* @buf: buffer where data will be returned
*/
-static ssize_t lbs_prb_rsp_limit_get(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t prb_rsp_limit_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct lbs_private *priv = to_net_dev(dev)->ml_priv;
struct cmd_ds_mesh_access mesh_access;
@@ -225,14 +226,15 @@ static ssize_t lbs_prb_rsp_limit_get(struct device *dev,
}

/**
- * lbs_prb_rsp_limit_set - Set function for sysfs attribute prb_rsp_limit
+ * prb_rsp_limit_store - Set function for sysfs attribute prb_rsp_limit
* @dev: the &struct device
* @attr: device attributes
* @buf: buffer that contains new attribute value
* @count: size of buffer
*/
-static ssize_t lbs_prb_rsp_limit_set(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t prb_rsp_limit_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct lbs_private *priv = to_net_dev(dev)->ml_priv;
struct cmd_ds_mesh_access mesh_access;
@@ -259,27 +261,28 @@ static ssize_t lbs_prb_rsp_limit_set(struct device *dev,
}

/**
- * lbs_mesh_get - Get function for sysfs attribute mesh
+ * lbs_mesh_show - Get function for sysfs attribute mesh
* @dev: the &struct device
* @attr: device attributes
* @buf: buffer where data will be returned
*/
-static ssize_t lbs_mesh_get(struct device *dev,
- struct device_attribute *attr, char * buf)
+static ssize_t lbs_mesh_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct lbs_private *priv = to_net_dev(dev)->ml_priv;
return snprintf(buf, 5, "0x%X\n", !!priv->mesh_dev);
}

/**
- * lbs_mesh_set - Set function for sysfs attribute mesh
+ * lbs_mesh_store - Set function for sysfs attribute mesh
* @dev: the &struct device
* @attr: device attributes
* @buf: buffer that contains new attribute value
* @count: size of buffer
*/
-static ssize_t lbs_mesh_set(struct device *dev,
- struct device_attribute *attr, const char * buf, size_t count)
+static ssize_t lbs_mesh_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct lbs_private *priv = to_net_dev(dev)->ml_priv;
int enable;
@@ -301,20 +304,19 @@ static ssize_t lbs_mesh_set(struct device *dev,
* lbs_mesh attribute to be exported per ethX interface
* through sysfs (/sys/class/net/ethX/lbs_mesh)
*/
-static DEVICE_ATTR(lbs_mesh, 0644, lbs_mesh_get, lbs_mesh_set);
+static DEVICE_ATTR_RW(lbs_mesh);

/*
* anycast_mask attribute to be exported per mshX interface
* through sysfs (/sys/class/net/mshX/anycast_mask)
*/
-static DEVICE_ATTR(anycast_mask, 0644, lbs_anycast_get, lbs_anycast_set);
+static DEVICE_ATTR_RW(anycast_mask);

/*
* prb_rsp_limit attribute to be exported per mshX interface
* through sysfs (/sys/class/net/mshX/prb_rsp_limit)
*/
-static DEVICE_ATTR(prb_rsp_limit, 0644, lbs_prb_rsp_limit_get,
- lbs_prb_rsp_limit_set);
+static DEVICE_ATTR_RW(prb_rsp_limit);

static struct attribute *lbs_mesh_sysfs_entries[] = {
&dev_attr_anycast_mask.attr,
@@ -351,13 +353,13 @@ static int mesh_get_default_parameters(struct device *dev,
}

/**
- * bootflag_get - Get function for sysfs attribute bootflag
+ * bootflag_show - Get function for sysfs attribute bootflag
* @dev: the &struct device
* @attr: device attributes
* @buf: buffer where data will be returned
*/
-static ssize_t bootflag_get(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t bootflag_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct mrvl_mesh_defaults defs;
int ret;
@@ -371,14 +373,14 @@ static ssize_t bootflag_get(struct device *dev,
}

/**
- * bootflag_set - Set function for sysfs attribute bootflag
+ * bootflag_store - Set function for sysfs attribute bootflag
* @dev: the &struct device
* @attr: device attributes
* @buf: buffer that contains new attribute value
* @count: size of buffer
*/
-static ssize_t bootflag_set(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t bootflag_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct lbs_private *priv = to_net_dev(dev)->ml_priv;
struct cmd_ds_mesh_config cmd;
@@ -401,13 +403,13 @@ static ssize_t bootflag_set(struct device *dev, struct device_attribute *attr,
}

/**
- * boottime_get - Get function for sysfs attribute boottime
+ * boottime_show - Get function for sysfs attribute boottime
* @dev: the &struct device
* @attr: device attributes
* @buf: buffer where data will be returned
*/
-static ssize_t boottime_get(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t boottime_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct mrvl_mesh_defaults defs;
int ret;
@@ -421,14 +423,15 @@ static ssize_t boottime_get(struct device *dev,
}

/**
- * boottime_set - Set function for sysfs attribute boottime
+ * boottime_store - Set function for sysfs attribute boottime
* @dev: the &struct device
* @attr: device attributes
* @buf: buffer that contains new attribute value
* @count: size of buffer
*/
-static ssize_t boottime_set(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t boottime_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct lbs_private *priv = to_net_dev(dev)->ml_priv;
struct cmd_ds_mesh_config cmd;
@@ -460,13 +463,13 @@ static ssize_t boottime_set(struct device *dev,
}

/**
- * channel_get - Get function for sysfs attribute channel
+ * channel_show - Get function for sysfs attribute channel
* @dev: the &struct device
* @attr: device attributes
* @buf: buffer where data will be returned
*/
-static ssize_t channel_get(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t channel_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct mrvl_mesh_defaults defs;
int ret;
@@ -480,14 +483,14 @@ static ssize_t channel_get(struct device *dev,
}

/**
- * channel_set - Set function for sysfs attribute channel
+ * channel_store - Set function for sysfs attribute channel
* @dev: the &struct device
* @attr: device attributes
* @buf: buffer that contains new attribute value
* @count: size of buffer
*/
-static ssize_t channel_set(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t channel_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct lbs_private *priv = to_net_dev(dev)->ml_priv;
struct cmd_ds_mesh_config cmd;
@@ -510,13 +513,13 @@ static ssize_t channel_set(struct device *dev, struct device_attribute *attr,
}

/**
- * mesh_id_get - Get function for sysfs attribute mesh_id
+ * mesh_id_show - Get function for sysfs attribute mesh_id
* @dev: the &struct device
* @attr: device attributes
* @buf: buffer where data will be returned
*/
-static ssize_t mesh_id_get(struct device *dev, struct device_attribute *attr,
- char *buf)
+static ssize_t mesh_id_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct mrvl_mesh_defaults defs;
int ret;
@@ -539,14 +542,14 @@ static ssize_t mesh_id_get(struct device *dev, struct device_attribute *attr,
}

/**
- * mesh_id_set - Set function for sysfs attribute mesh_id
+ * mesh_id_store - Set function for sysfs attribute mesh_id
* @dev: the &struct device
* @attr: device attributes
* @buf: buffer that contains new attribute value
* @count: size of buffer
*/
-static ssize_t mesh_id_set(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t mesh_id_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct cmd_ds_mesh_config cmd;
struct mrvl_mesh_defaults defs;
@@ -585,13 +588,14 @@ static ssize_t mesh_id_set(struct device *dev, struct device_attribute *attr,
}

/**
- * protocol_id_get - Get function for sysfs attribute protocol_id
+ * protocol_id_show - Get function for sysfs attribute protocol_id
* @dev: the &struct device
* @attr: device attributes
* @buf: buffer where data will be returned
*/
-static ssize_t protocol_id_get(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t protocol_id_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
{
struct mrvl_mesh_defaults defs;
int ret;
@@ -605,14 +609,15 @@ static ssize_t protocol_id_get(struct device *dev,
}

/**
- * protocol_id_set - Set function for sysfs attribute protocol_id
+ * protocol_id_store - Set function for sysfs attribute protocol_id
* @dev: the &struct device
* @attr: device attributes
* @buf: buffer that contains new attribute value
* @count: size of buffer
*/
-static ssize_t protocol_id_set(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t protocol_id_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct cmd_ds_mesh_config cmd;
struct mrvl_mesh_defaults defs;
@@ -646,13 +651,13 @@ static ssize_t protocol_id_set(struct device *dev,
}

/**
- * metric_id_get - Get function for sysfs attribute metric_id
+ * metric_id_show - Get function for sysfs attribute metric_id
* @dev: the &struct device
* @attr: device attributes
* @buf: buffer where data will be returned
*/
-static ssize_t metric_id_get(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t metric_id_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct mrvl_mesh_defaults defs;
int ret;
@@ -666,14 +671,15 @@ static ssize_t metric_id_get(struct device *dev,
}

/**
- * metric_id_set - Set function for sysfs attribute metric_id
+ * metric_id_store - Set function for sysfs attribute metric_id
* @dev: the &struct device
* @attr: device attributes
* @buf: buffer that contains new attribute value
* @count: size of buffer
*/
-static ssize_t metric_id_set(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t metric_id_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct cmd_ds_mesh_config cmd;
struct mrvl_mesh_defaults defs;
@@ -707,13 +713,13 @@ static ssize_t metric_id_set(struct device *dev, struct device_attribute *attr,
}

/**
- * capability_get - Get function for sysfs attribute capability
+ * capability_show - Get function for sysfs attribute capability
* @dev: the &struct device
* @attr: device attributes
* @buf: buffer where data will be returned
*/
-static ssize_t capability_get(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t capability_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct mrvl_mesh_defaults defs;
int ret;
@@ -727,14 +733,15 @@ static ssize_t capability_get(struct device *dev,
}

/**
- * capability_set - Set function for sysfs attribute capability
+ * capability_store - Set function for sysfs attribute capability
* @dev: the &struct device
* @attr: device attributes
* @buf: buffer that contains new attribute value
* @count: size of buffer
*/
-static ssize_t capability_set(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t capability_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct cmd_ds_mesh_config cmd;
struct mrvl_mesh_defaults defs;
@@ -768,13 +775,13 @@ static ssize_t capability_set(struct device *dev, struct device_attribute *attr,
}


-static DEVICE_ATTR(bootflag, 0644, bootflag_get, bootflag_set);
-static DEVICE_ATTR(boottime, 0644, boottime_get, boottime_set);
-static DEVICE_ATTR(channel, 0644, channel_get, channel_set);
-static DEVICE_ATTR(mesh_id, 0644, mesh_id_get, mesh_id_set);
-static DEVICE_ATTR(protocol_id, 0644, protocol_id_get, protocol_id_set);
-static DEVICE_ATTR(metric_id, 0644, metric_id_get, metric_id_set);
-static DEVICE_ATTR(capability, 0644, capability_get, capability_set);
+static DEVICE_ATTR_RW(bootflag);
+static DEVICE_ATTR_RW(boottime);
+static DEVICE_ATTR_RW(channel);
+static DEVICE_ATTR_RW(mesh_id);
+static DEVICE_ATTR_RW(protocol_id);
+static DEVICE_ATTR_RW(metric_id);
+static DEVICE_ATTR_RW(capability);

static struct attribute *boot_opts_attrs[] = {
&dev_attr_bootflag.attr,
--
2.17.1