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Bartosz Golaszewski authored
This is a follow-up to commit 559b4699 ("gpio: pca953x: fix an incorrect lockdep warning"). The reason for calling lockdep_set_subclass() in pca953x_probe() is not explained in the code. Add a comment describing the problem, partial solution and required future extensions. Signed-off-by:
Bartosz Golaszewski <bgolaszewski@baylibre.com> Acked-by:
Linus Walleij <linus.walleij@linaro.org> Signed-off-by:
Wolfram Sang <wsa@the-dreams.de>
74f47f07