Tomi Valkeinen 5be3aebd09
OMAPDSS: fix warnings if CONFIG_PM_RUNTIME=n ...
If runtime PM is not enabled in the kernel config, pm_runtime_get_sync()
will always return 1 and pm_runtime_put_sync() will always return
-ENOSYS. pm_runtime_get_sync() returning 1 presents no problem to the
driver, but -ENOSYS from pm_runtime_put_sync() causes the driver to
print a warning.
One option would be to ignore errors returned by pm_runtime_put_sync()
totally, as they only say that the call was unable to put the hardware
into suspend mode.
However, I chose to ignore the returned -ENOSYS explicitly, and print a
warning for other errors, as I think we should get notified if the HW
failed to go to suspend properly.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com >
Cc: Jassi Brar <jaswinder.singh@linaro.org >
Cc: Grazvydas Ignotas <notasas@gmail.com >
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5be3aebd09