gpio: pl061: Warn when IRQ line has not been configured
Existing (irq < 0) condition is always false because adev->irq has unsigned type and contains 0 in case of failed irq_of_parse_and_map(). Up to now all the mapping errors were silently ignored. Seems that repairing this check would be backwards-incompatible and might break the probe() for the implementations without IRQ support. Therefore warn the user instead. Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nokia.com> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
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