[PATCH 4/9] of: add self parameter to __of_sysfs_remove_bin_file()

From: Zev Weiss
Date: Wed Oct 06 2021 - 20:10:59 EST


This allows using the function to remove a bin_attribute from that
attribute's own methods (by calling sysfs_remove_bin_file_self()
instead of sysfs_remove_bin_file()).

Signed-off-by: Zev Weiss <zev@xxxxxxxxxxxxxxxxx>
---
drivers/of/kobj.c | 13 ++++++++-----
drivers/of/of_private.h | 2 +-
2 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/drivers/of/kobj.c b/drivers/of/kobj.c
index 6675b5e56960..06d6c90f7aa1 100644
--- a/drivers/of/kobj.c
+++ b/drivers/of/kobj.c
@@ -84,12 +84,15 @@ int __of_add_property_sysfs(struct device_node *np, struct property *pp)
return rc;
}

-void __of_sysfs_remove_bin_file(struct device_node *np, struct property *prop)
+void __of_sysfs_remove_bin_file(struct device_node *np, struct property *prop, bool self)
{
if (!IS_ENABLED(CONFIG_SYSFS))
return;

- sysfs_remove_bin_file(&np->kobj, &prop->attr);
+ if (self)
+ sysfs_remove_bin_file_self(&np->kobj, &prop->attr);
+ else
+ sysfs_remove_bin_file(&np->kobj, &prop->attr);
kfree(prop->attr.attr.name);
}

@@ -97,7 +100,7 @@ void __of_remove_property_sysfs(struct device_node *np, struct property *prop)
{
/* at early boot, bail here and defer setup to of_init() */
if (of_kset && of_node_is_attached(np))
- __of_sysfs_remove_bin_file(np, prop);
+ __of_sysfs_remove_bin_file(np, prop, false);
}

void __of_update_property_sysfs(struct device_node *np, struct property *newprop,
@@ -108,7 +111,7 @@ void __of_update_property_sysfs(struct device_node *np, struct property *newprop
return;

if (oldprop)
- __of_sysfs_remove_bin_file(np, oldprop);
+ __of_sysfs_remove_bin_file(np, oldprop, false);
__of_add_property_sysfs(np, newprop);
}

@@ -157,7 +160,7 @@ void __of_detach_node_sysfs(struct device_node *np)
/* only remove properties if on sysfs */
if (of_node_is_attached(np)) {
for_each_property_of_node(np, pp)
- __of_sysfs_remove_bin_file(np, pp);
+ __of_sysfs_remove_bin_file(np, pp, false);
kobject_del(&np->kobj);
}

diff --git a/drivers/of/of_private.h b/drivers/of/of_private.h
index 75e67b8bb826..fff157c63907 100644
--- a/drivers/of/of_private.h
+++ b/drivers/of/of_private.h
@@ -134,7 +134,7 @@ extern int __of_update_property(struct device_node *np,
extern void __of_detach_node(struct device_node *np);

extern void __of_sysfs_remove_bin_file(struct device_node *np,
- struct property *prop);
+ struct property *prop, bool selfremove);

/* illegal phandle value (set when unresolved) */
#define OF_PHANDLE_ILLEGAL 0xdeadbeef
--
2.33.0