Messages in this thread Patch in this message | | | From | Shuah Khan <> | Subject | [PATCH 1/3] drivers/bus: Add Legacy PM OPS usage check and warning to bus_register() | Date | Thu, 7 Nov 2013 17:03:48 -0700 |
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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 <shuah.kh@samsung.com> --- 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
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