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usb: dual-role: make stub functions inline

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If CONFIG_DUAL_ROLE_USB_INTF is disabled but the exported functions
are referenced, the build will result in warnings such as:

	In file included from include/linux/usb/class-dual-role.h:112:13:
	warning: ‘dual_role_instance_changed’ defined but not used
	[-Wunused-function]

These stub functions should be static inline.

Change-Id: I5a9ef58dca32306fac5a4c7f28cdaa36fa8ae078
Signed-off-by: Jack Pham <jackp@codeaurora.org>
(cherry picked from commit 2d152dbb0743526b21d6bbefe097f874c027f860)
(cherry picked from commit 8ad66cafaa10e6ba94ff79a8dbc2cc437c6bfe93)
This commit is contained in:
Jack Pham 2016-03-23 13:18:03 -07:00 • committed by Amit Pundir
parent dab07c53da
commit d4c7c8eafe
1 changed files with 5 additions and 4 deletions
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9
include/linux/usb/class-dual-role.h
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@ -109,18 +109,19 @@ extern int dual_role_property_is_writeable(struct dual_role_phy_instance
enum dual_role_property prop);
extern void *dual_role_get_drvdata(struct dual_role_phy_instance *dual_role);
#else /* CONFIG_DUAL_ROLE_USB_INTF */
static void dual_role_instance_changed(struct dual_role_phy_instance
static inline void dual_role_instance_changed(struct dual_role_phy_instance
*dual_role){}
static struct dual_role_phy_instance *__must_check
static inline struct dual_role_phy_instance *__must_check
devm_dual_role_instance_register(struct device *parent,
const struct dual_role_phy_desc *desc)
{
return ERR_PTR(-ENOSYS);
}
static void devm_dual_role_instance_unregister(struct device *dev,
static inline void devm_dual_role_instance_unregister(struct device *dev,
struct dual_role_phy_instance
*dual_role){}
static void *dual_role_get_drvdata(struct dual_role_phy_instance *dual_role)
static inline void *dual_role_get_drvdata(struct dual_role_phy_instance
*dual_role)
{
return ERR_PTR(-ENOSYS);
}