Add Legacy PM OPS usage checks to bus_register() function. If Legacy PM OPS usage is found, print warning message to indicate the driver code needs updating to use Dev PM OPS interfaces. This will help serve as a way to track drivers that still use Legacy PM OPS and fix them.
The Legacy PM OPS check looks for suspend(struct device *, pm_message_t) or resume(struct device *) bus level interfaces. Signed-off-by: Shuah Khan <[email protected]> --- drivers/base/bus.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/base/bus.c b/drivers/base/bus.c index 4c289ab..9e68453 100644 --- a/drivers/base/bus.c +++ b/drivers/base/bus.c @@ -991,6 +991,9 @@ int bus_register(struct bus_type *bus) goto bus_groups_fail; pr_debug("bus: '%s': registered\n", bus->name); + if (bus->suspend || bus->resume) + pr_warn("bus '%s': Please update to use dev pm ops.\n", + bus->name); return 0; bus_groups_fail: -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
