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BACKPORT: extcon: Mark extcon_get_edev_name() function as exported symbol

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extcon_get_edev_name() function provides client driver to request
extcon dev's name. If extcon driver and client driver are compiled
as loadable modules, extcon_get_edev_name() function symbol is not
visible to client driver. Hence mark extcon_find_edev_name() function
as exported symbol.

(cherry picked from commit 995bb1092326b8ba8fa29456c334ac6a49765ccd
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git)
Bug: 152643506
Change-Id: Idbeed2cf45cc201d707ccbccdd043d71e3a0c23a
Signed-off-by: Mayank Rana <mrana@codeaurora.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Mayank Rana 2020-03-04 15:02:23 -08:00 • committed by Alistair Delva
commit 041b82322f
2 changed files with 6 additions and 0 deletions
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1
drivers/extcon/extcon.c
View file

@ -1406,6 +1406,7 @@ const char *extcon_get_edev_name(struct extcon_dev *edev)
{
return !edev ? NULL : edev->name;
}
EXPORT_SYMBOL_GPL(extcon_get_edev_name);
static int __init extcon_class_init(void)
{

5
include/linux/extcon.h
View file

@ -286,6 +286,11 @@ static inline struct extcon_dev *extcon_get_edev_by_phandle(struct device *dev,
{
return ERR_PTR(-ENODEV);
}
static inline const char *extcon_get_edev_name(struct extcon_dev *edev)
{
return NULL;
}
#endif /* CONFIG_EXTCON */
/*