diff options
Diffstat (limited to 'drivers/hwtracing')
| -rw-r--r-- | drivers/hwtracing/stm/policy.c | 105 |
1 files changed, 24 insertions, 81 deletions
diff --git a/drivers/hwtracing/stm/policy.c b/drivers/hwtracing/stm/policy.c index 6498a9dbb7bd..11ab6d01adf6 100644 --- a/drivers/hwtracing/stm/policy.c +++ b/drivers/hwtracing/stm/policy.c @@ -76,9 +76,10 @@ to_stp_policy_node(struct config_item *item) NULL; } -static ssize_t stp_policy_node_masters_show(struct stp_policy_node *policy_node, - char *page) +static ssize_t +stp_policy_node_masters_show(struct config_item *item, char *page) { + struct stp_policy_node *policy_node = to_stp_policy_node(item); ssize_t count; count = sprintf(page, "%u %u\n", policy_node->first_master, @@ -88,9 +89,10 @@ static ssize_t stp_policy_node_masters_show(struct stp_policy_node *policy_node, } static ssize_t -stp_policy_node_masters_store(struct stp_policy_node *policy_node, - const char *page, size_t count) +stp_policy_node_masters_store(struct config_item *item, const char *page, + size_t count) { + struct stp_policy_node *policy_node = to_stp_policy_node(item); unsigned int first, last; struct stm_device *stm; char *p = (char *)page; @@ -123,8 +125,9 @@ unlock: } static ssize_t -stp_policy_node_channels_show(struct stp_policy_node *policy_node, char *page) +stp_policy_node_channels_show(struct config_item *item, char *page) { + struct stp_policy_node *policy_node = to_stp_policy_node(item); ssize_t count; count = sprintf(page, "%u %u\n", policy_node->first_channel, @@ -134,9 +137,10 @@ stp_policy_node_channels_show(struct stp_policy_node *policy_node, char *page) } static ssize_t -stp_policy_node_channels_store(struct stp_policy_node *policy_node, - const char *page, size_t count) +stp_policy_node_channels_store(struct config_item *item, const char *page, + size_t count) { + struct stp_policy_node *policy_node = to_stp_policy_node(item); unsigned int first, last; struct stm_device *stm; char *p = (char *)page; @@ -171,71 +175,16 @@ static void stp_policy_node_release(struct config_item *item) kfree(to_stp_policy_node(item)); } -struct stp_policy_node_attribute { - struct configfs_attribute attr; - ssize_t (*show)(struct stp_policy_node *, char *); - ssize_t (*store)(struct stp_policy_node *, const char *, size_t); -}; - -static ssize_t stp_policy_node_attr_show(struct config_item *item, - struct configfs_attribute *attr, - char *page) -{ - struct stp_policy_node *policy_node = to_stp_policy_node(item); - struct stp_policy_node_attribute *pn_attr = - container_of(attr, struct stp_policy_node_attribute, attr); - ssize_t count = 0; - - if (pn_attr->show) - count = pn_attr->show(policy_node, page); - - return count; -} - -static ssize_t stp_policy_node_attr_store(struct config_item *item, - struct configfs_attribute *attr, - const char *page, size_t len) -{ - struct stp_policy_node *policy_node = to_stp_policy_node(item); - struct stp_policy_node_attribute *pn_attr = - container_of(attr, struct stp_policy_node_attribute, attr); - ssize_t count = -EINVAL; - - if (pn_attr->store) - count = pn_attr->store(policy_node, page, len); - - return count; -} - static struct configfs_item_operations stp_policy_node_item_ops = { .release = stp_policy_node_release, - .show_attribute = stp_policy_node_attr_show, - .store_attribute = stp_policy_node_attr_store, }; -static struct stp_policy_node_attribute stp_policy_node_attr_range = { - .attr = { - .ca_owner = THIS_MODULE, - .ca_name = "masters", - .ca_mode = S_IRUGO | S_IWUSR, - }, - .show = stp_policy_node_masters_show, - .store = stp_policy_node_masters_store, -}; - -static struct stp_policy_node_attribute stp_policy_node_attr_channels = { - .attr = { - .ca_owner = THIS_MODULE, - .ca_name = "channels", - .ca_mode = S_IRUGO | S_IWUSR, - }, - .show = stp_policy_node_channels_show, - .store = stp_policy_node_channels_store, -}; +CONFIGFS_ATTR(stp_policy_node_, masters); +CONFIGFS_ATTR(stp_policy_node_, channels); static struct configfs_attribute *stp_policy_node_attrs[] = { - &stp_policy_node_attr_range.attr, - &stp_policy_node_attr_channels.attr, + &stp_policy_node_attr_masters, + &stp_policy_node_attr_channels, NULL, }; @@ -298,20 +247,8 @@ static struct config_item_type stp_policy_node_type = { /* * Root group: policies. */ -static struct configfs_attribute stp_policy_attr_device = { - .ca_owner = THIS_MODULE, - .ca_name = "device", - .ca_mode = S_IRUGO, -}; - -static struct configfs_attribute *stp_policy_attrs[] = { - &stp_policy_attr_device, - NULL, -}; - -static ssize_t stp_policy_attr_show(struct config_item *item, - struct configfs_attribute *attr, - char *page) +static ssize_t stp_policy_device_show(struct config_item *item, + char *page) { struct stp_policy *policy = to_stp_policy(item); ssize_t count; @@ -324,6 +261,13 @@ static ssize_t stp_policy_attr_show(struct config_item *item, return count; } +CONFIGFS_ATTR_RO(stp_policy_, device); + +static struct configfs_attribute *stp_policy_attrs[] = { + &stp_policy_attr_device, + NULL, +}; + void stp_policy_unbind(struct stp_policy *policy) { struct stm_device *stm = policy->stm; @@ -350,7 +294,6 @@ static void stp_policy_release(struct config_item *item) static struct configfs_item_operations stp_policy_item_ops = { .release = stp_policy_release, - .show_attribute = stp_policy_attr_show, }; static struct configfs_group_operations stp_policy_group_ops = { |