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mailbox: Remove devm_mbox_controller_unregister

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Commit e898d9cdd3a9("mailbox: Add device-managed registration functions")
introduced device-managed API for mailbox, but in the past 7 years,
there is no user for devm_mbox_controller_unregister. So remove it.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
This commit is contained in:
Peng Fan
2025-04-11 21:14:12 +08:00
committed by Jassi Brar
parent cb7e2ec370
commit 9be022476f
2 changed files with 0 additions and 30 deletions
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27
drivers/mailbox/mailbox.c
View File

@@ -587,16 +587,6 @@ static void __devm_mbox_controller_unregister(struct device *dev, void *res)
mbox_controller_unregister(*mbox);
}
static int devm_mbox_controller_match(struct device *dev, void *res, void *data)
{
struct mbox_controller **mbox = res;
if (WARN_ON(!mbox || !*mbox))
return 0;
return *mbox == data;
}
/**
* devm_mbox_controller_register() - managed mbox_controller_register()
* @dev: device owning the mailbox controller being registered
@@ -632,20 +622,3 @@ int devm_mbox_controller_register(struct device *dev,
return 0;
}
EXPORT_SYMBOL_GPL(devm_mbox_controller_register);
/**
* devm_mbox_controller_unregister() - managed mbox_controller_unregister()
* @dev: device owning the mailbox controller being unregistered
* @mbox: mailbox controller being unregistered
*
* This function unregisters the mailbox controller and removes the device-
* managed resource that was set up to automatically unregister the mailbox
* controller on driver probe failure or driver removal. It's typically not
* necessary to call this function.
*/
void devm_mbox_controller_unregister(struct device *dev, struct mbox_controller *mbox)
{
WARN_ON(devres_release(dev, __devm_mbox_controller_unregister,
devm_mbox_controller_match, mbox));
}
EXPORT_SYMBOL_GPL(devm_mbox_controller_unregister);

3
include/linux/mailbox_controller.h
View File

@@ -134,7 +134,4 @@ void mbox_chan_txdone(struct mbox_chan *chan, int r); /* atomic */
int devm_mbox_controller_register(struct device *dev,
struct mbox_controller *mbox);
void devm_mbox_controller_unregister(struct device *dev,
struct mbox_controller *mbox);
#endif /* __MAILBOX_CONTROLLER_H */