@@ -232,6 +232,41 @@ void edac_device_free_ctl_info(struct edac_device_ctl_info *ctl_info)
}
EXPORT_SYMBOL_GPL(edac_device_free_ctl_info);
+/**
+ * devm_edac_device_free_ctl_info() - Internal helper to call
+ * edac_device_free_ctl_info from a devres action
+ */
+static void devm_edac_device_free_ctl_info(void *ctl_info)
+{
+ edac_device_free_ctl_info((struct edac_device_ctl_info *)ctl_info);
+}
+
+struct edac_device_ctl_info *devm_edac_device_alloc_ctl_info(
+ struct device *dev,
+ unsigned sz_private,
+ char *edac_device_name, unsigned nr_instances,
+ char *edac_block_name, unsigned nr_blocks,
+ unsigned offset_value,
+ struct edac_dev_sysfs_block_attribute *attrib_spec, unsigned nr_attrib,
+ int device_index)
+{
+ struct edac_device_ctl_info *ctl_info;
+ ctl_info = edac_device_alloc_ctl_info(sz_private,
+ edac_device_name, nr_instances,
+ edac_block_name, nr_blocks,
+ offset_value,
+ attrib_spec, nr_attrib,
+ device_index);
+ if (!ctl_info)
+ return ctl_info;
+
+ if (devm_add_action_or_reset(dev, devm_edac_device_free_ctl_info, ctl_info))
+ return NULL;
+
+ return ctl_info;
+}
+EXPORT_SYMBOL_GPL(devm_edac_device_alloc_ctl_info);
+
/*
* find_edac_device_by_dev
* scans the edac_device list for a specific 'struct device *'
@@ -539,6 +574,30 @@ struct edac_device_ctl_info *edac_device_del_device(struct device *dev)
}
EXPORT_SYMBOL_GPL(edac_device_del_device);
+/**
+ * devm_edac_device_del_device() - Internal helper to call
+ * edac_device_del_device from a devres action
+ */
+static void devm_edac_device_del_device(void *dev)
+{
+ edac_device_del_device((struct device *)dev);
+}
+
+int devm_edac_device_add_device(struct device *dev,
+ struct edac_device_ctl_info *edac_dev)
+{
+ int ret;
+
+ ret = edac_device_add_device(edac_dev);
+ if (ret)
+ return ret;
+
+ if (devm_add_action_or_reset(dev, devm_edac_device_del_device, dev))
+ return 1;
+
+ return 0;
+}
+
static inline int edac_device_get_log_ce(struct edac_device_ctl_info *edac_dev)
{
return edac_dev->log_ce;
@@ -258,6 +258,24 @@ extern struct edac_device_ctl_info *edac_device_alloc_ctl_info(
extern void edac_device_free_ctl_info(struct edac_device_ctl_info *ctl_info);
/**
+ * devm_edac_device_alloc_ctl_info: Allocate a new managed edac device
+ * control info structure
+ *
+ * This function takes the same arguments as edac_device_alloc_ctl_info in
+ * addition to the owning device. The structure is freed by devres using
+ * edac_device_free_ctl_info.
+ */
+extern struct edac_device_ctl_info *devm_edac_device_alloc_ctl_info(
+ struct device *dev,
+ unsigned sizeof_private,
+ char *edac_device_name, unsigned nr_instances,
+ char *edac_block_name, unsigned nr_blocks,
+ unsigned offset_value,
+ struct edac_dev_sysfs_block_attribute *block_attributes,
+ unsigned nr_attribs,
+ int device_index);
+
+/**
* edac_device_add_device: Insert the 'edac_dev' structure into the
* edac_device global list and create sysfs entries associated with
* edac_device structure.
@@ -286,6 +304,17 @@ extern int edac_device_add_device(struct edac_device_ctl_info *edac_dev);
extern struct edac_device_ctl_info *edac_device_del_device(struct device *dev);
/**
+ * devm_edac_device_add_device:
+ * Helper to call edac_device_add_device and register it for cleanup with
+ * devres.
+ *
+ * Returns:
+ * 0 on Success, or an error code on failure
+ */
+extern int devm_edac_device_add_device(struct device *dev,
+ struct edac_device_ctl_info *edac_dev);
+
+/**
* edac_device_handle_ue():
* perform a common output and handling of an 'edac_dev' UE event
*
These helpers simplify error handling in the _probe functions and automate deallocation in the _remove functions. Signed-off-by: Jan Luebbe <jlu@pengutronix.de> --- drivers/edac/edac_device.c | 59 ++++++++++++++++++++++++++++++++++++++++++++++ drivers/edac/edac_device.h | 29 +++++++++++++++++++++++ 2 files changed, 88 insertions(+)