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driver core: core: move to use class_to_subsys()

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There are a number of places in core.c that need access to the private
subsystem structure of struct class, so move them to use
class_to_subsys() instead of accessing it directly.

This requires exporting class_to_subsys() out of class.c, but keeping it
local to the driver core.

Reviewed-by: Rafael J. Wysocki <rafael@kernel.org>
Link: https://lore.kernel.org/r/20230331093318.82288-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman
2023-03-31 11:33:12 +02:00
parent 6332a6ced6
commit 7d90e81a2d
3 changed files with 81 additions and 44 deletions
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2
drivers/base/class.c
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@@ -39,7 +39,7 @@ static struct kset *class_kset;
* NULL. A call to subsys_put() must be done when finished with the pointer in
* order for it to be properly freed.
*/
static struct subsys_private *class_to_subsys(const struct class *class)
struct subsys_private *class_to_subsys(const struct class *class)
{
struct subsys_private *sp = NULL;
struct kobject *kobj;