If the dev is known (e.g. a devm-based sys_off_handler is used), it can
be passed to the handler's callback to have it available there.
Otherwise, cb_data might be set to the dev in most of the cases.
Reviewed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Benjamin Bara <benjamin.bara@skidata.com>
Link: https://lore.kernel.org/r/20230327-tegra-pmic-reboot-v7-3-18699d5dcd76@skidata.com
Signed-off-by: Lee Jones <lee@kernel.org>
* @cb_data: User's callback data.
* @cmd: Command string. Currently used only by the sys-off restart mode,
* NULL otherwise.
+ * @dev: Device of the sys-off handler. Only if known (devm_register_*),
+ * NULL otherwise.
*/
struct sys_off_data {
int mode;
void *cb_data;
const char *cmd;
+ struct device *dev;
};
struct sys_off_handler *
enum sys_off_mode mode;
bool blocking;
void *list;
+ struct device *dev;
};
/*
data.cb_data = handler->cb_data;
data.mode = mode;
data.cmd = cmd;
+ data.dev = handler->dev;
return handler->sys_off_cb(&data);
}
handler = register_sys_off_handler(mode, priority, callback, cb_data);
if (IS_ERR(handler))
return PTR_ERR(handler);
+ handler->dev = dev;
return devm_add_action_or_reset(dev, devm_unregister_sys_off_handler,
handler);